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Portal:U.S. roads

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The U.S. Roads Portal

The highway system of the United States is a network of interconnected state, U.S., and Interstate highways. Each of thefifty states, theDistrict of Columbia,Puerto Rico,American Samoa,Guam, theNorthern Mariana Islands, and theU.S. Virgin Islands own and maintain a part of this vast system, including U.S. and Interstate highways, which are not owned or maintained at the federal level.

I-10 shield
I-510 shield

Interstate Highways have the highest speed limits and the highest traffic numbers. Interstates are numbered in a grid: even-numbered routes for east–west routes (with the lowest numbers alongMexico and theGulf of Mexico), and odd-numbered routes are north–south routes (with the lowest numbers along thePacific Ocean). Three-digit Interstates are, generally, either beltways or spurs of their parent Interstates (for example,Interstate 510 is a spur into the city ofNew Orleans, Louisiana, and is connected toInterstate 10).

US 2 shield
US 202 shield

U.S. Numbered Highways are the original interstate highways, dating back to 1926. U.S. Highways are also numbered in a grid: even numbered for east–west routes (with the lowest numbers alongCanada) and odd numbered for north–south routes (with the lowest numbers along theAtlantic Ocean). Three-digit highways, also known as "child routes," are branches off their main one- or two-digit "parents" (for example,U.S. Route 202 is a branch ofU.S. Route 2). However,US 101, rather than a "child" ofUS 1, is considered a "mainline" U.S. Route.

Generic state highway 14 marker
Marker for State Road 37 in Indiana

State highways are the next level in the hierarchy. Each state and territory has its own system for numbering highways, some more systematic than others. Each state also has its own design for its highway markers; the number in a circle is the default sign, but many choose a different design connected to the state, such as an outline of the state with the number inside. Many states also operate a system ofcounty highways.

National Scenic Byway marker
National Forest Scenic Byway marker

Scenic byways can be designated over any classification of road in the United States. There are theNational Scenic Byways,National Forest Scenic Byways andBureau of Land Management Back Country Byways at the national level. Most states have their own system for designating byways, some more systematic than others. Native American tribes may designate byways as well.

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Featured articles are displayed here, which represent some of the best content on English Wikipedia.
  • Image 1 Interstate 75 (I-75) is a part of the Interstate Highway System that runs from the Hialeah-Miami Lakes line to the Canada–United States border at Sault Ste. Marie. I-75 enters the state from Ohio in the south, north of Toledo, and runs generally northward through Detroit, Flint, and Bay City, crosses the Mackinac Bridge, and ends at the Canadian border in Sault Ste. Marie. The freeway runs for approximately 396 miles (637 km) on both of Michigan's major peninsulas. The landscapes traversed by I-75 include Southern Michigan farmland, northern forests, suburban bedroom communities, and the urban core of Detroit. The freeway also uses three of the state's monumental bridges to cross major bodies of water. There are four auxiliary Interstates in the state related to I-75, as well as nine current or former business routes, with either Business Loop I-75 (BL I-75) or Business Spur I-75 (BS I-75) designations. The freeway bears several names in addition to the I-75 designation. The southern segment was called the Detroit–Toledo Expressway during planning in the 1950s and 1960s. Through Detroit, I-75 is the Fisher Freeway or the Walter P. Chrysler Freeway, named for pioneers in the auto industry. Sections on either side of the Mackinac Bridge are the G. Mennen Williams Freeway or the Prentiss M. Brown Freeway, named for politicians who helped get the bridge built. Officially, the entire length is the American Legion Memorial Highway, after the organization of the same name. Various sections carry components of the four Great Lakes Circle Tours in the state. (Full article...)
    Image 1
    Interstate 75 (I-75) is a part of theInterstate Highway System that runs from theHialeah-Miami Lakes line to theCanada–United States border atSault Ste. Marie. I-75 enters the state fromOhio in the south, north ofToledo, and runs generally northward throughDetroit,Flint, andBay City, crosses theMackinac Bridge, and ends at theCanadian border in Sault Ste. Marie. The freeway runs for approximately 396 miles (637 km) on both of Michigan's major peninsulas. The landscapes traversed by I-75 includeSouthern Michigan farmland, northern forests, suburban bedroom communities, and the urban core of Detroit. The freeway also uses three of the state's monumental bridges to cross major bodies of water. There are fourauxiliary Interstates in the state related to I-75, as well as nine current or formerbusiness routes, with either Business Loop I-75 (BL I-75) or Business Spur I-75 (BS I-75) designations.

    The freeway bears several names in addition to the I-75 designation. The southern segment was called theDetroit–Toledo Expressway during planning in the 1950s and 1960s. Through Detroit, I-75 is theFisher Freeway or theWalter P. Chrysler Freeway, named for pioneers in the auto industry. Sections on either side of the Mackinac Bridge are theG. Mennen Williams Freeway or thePrentiss M. Brown Freeway, named for politicians who helped get the bridge built. Officially, the entire length is theAmerican Legion Memorial Highway, after theorganization of the same name. Various sections carry components of the fourGreat Lakes Circle Tours in the state. (Full article...)
  • Image 2 New York State Route 343 (NY 343) is a state highway located entirely within central Dutchess County, in the Hudson Valley region of the U.S. state of New York. It runs east–west from the intersection of NY 82 in the village of Millbrook to the town of Amenia, where it crosses the Connecticut state line and continues eastward as Route 343, a Connecticut state highway located entirely within the town of Sharon. Along the way, it has a 7.3-mile (11.7 km) concurrency with NY 22 from vicinity of the hamlet of Dover Plains to the hamlet of Amenia. The entirety of modern Route 343 was originally the Dover branch of the Dutchess Turnpike. The turnpike, which was in operation from the early to the mid-19th century, was a major transportation route at the time, connecting several local communities to Litchfield County, Connecticut, and the city of Poughkeepsie. NY 343 was designated in 1930, connecting the hamlet of Amenia to the state line, but was relocated a few years later onto the portion of New York State Route 200 from South Millbrook to the hamlet of Dover Plains. The NY 200 designation was rerouted east of Millbrook on NY 343's original alignment. NY 343 absorbed NY 200 in the early 1940s, creating an overlap with NY 22 between Dover Plains and Amenia. The Connecticut portion of the highway was originally designated as part of Route 4; it was renumbered to Route 343 in 1932. (Full article...)
    Image 2
    New York State Route 343 (NY 343) is a state highway located entirely within centralDutchess County, in theHudson Valley region of theU.S. state ofNew York. It runs east–west from the intersection ofNY 82 in the village ofMillbrook to the town ofAmenia, where it crosses theConnecticut state line and continues eastward asRoute 343, a Connecticut state highway located entirely within the town ofSharon. Along the way, it has a 7.3-mile (11.7 km)concurrency withNY 22 from vicinity of thehamlet ofDover Plains to thehamlet of Amenia.

    The entirety of modern Route 343 was originally the Dover branch of theDutchess Turnpike. The turnpike, which was in operation from the early to the mid-19th century, was a major transportation route at the time, connecting several local communities toLitchfield County, Connecticut, and the city ofPoughkeepsie. NY 343 was designated in 1930, connecting the hamlet of Amenia to the state line, but was relocated a few years later onto the portion ofNew York State Route 200 from South Millbrook to the hamlet of Dover Plains. The NY 200 designation was rerouted east of Millbrook on NY 343's original alignment. NY 343 absorbed NY 200 in the early 1940s, creating an overlap with NY 22 between Dover Plains and Amenia. The Connecticut portion of the highway was originally designated as part ofRoute 4; it was renumbered to Route 343 in 1932. (Full article...)
  • Image 3 The Capitol Loop was a state trunkline highway running through Lansing, Michigan, in the United States that was commissioned on October 13, 1989. It formed a loop route off Interstate 496 (I-496) through downtown near the Michigan State Capitol complex, home of the state legislature and several state departments. The Michigan Department of Transportation (MDOT) had labeled it as Capitol Loop I-496 or CL I-496 on some maps, similar to the Business Loop Interstate nomenclature. However, unlike other business loops in Michigan, it had unique reassurance markers—the signs that served as regular reminders of the name and number of the highway. It was known internally at MDOT as Connector 496 for inventory purposes. The route followed a series of one-way and two-way streets through downtown Lansing, directing traffic downtown to the State Capitol and other government buildings. Unlike the other streets downtown, the seven streets comprising the Capitol Loop were under state maintenance and jurisdiction. The loop was originally proposed in 1986 as part of a downtown revitalization effort. Almost from the beginning before the highway was commissioned in 1989, it was affected by controversial proposals. Several suggestions by community leaders to rename city streets in honor of Martin Luther King Jr. were rejected. In the end, Logan Street was given a second name, Martin Luther King Jr. Boulevard, and the original name was eventually dropped. (Full article...)
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    TheCapitol Loop was astate trunkline highway running throughLansing, Michigan, in the United States that was commissioned on October 13, 1989. It formed aloop route offInterstate 496 (I-496) through downtown near theMichigan State Capitol complex, home of thestate legislature and several state departments. TheMichigan Department of Transportation (MDOT) had labeled it asCapitol Loop I-496 orCL I-496 on some maps, similar to theBusiness Loop Interstate nomenclature. However, unlike other business loops in Michigan, it had uniquereassurance markers—the signs that served as regular reminders of the name and number of the highway. It was known internally at MDOT asConnector 496 for inventory purposes. The route followed a series of one-way and two-way streets through downtown Lansing, directing traffic downtown to the State Capitol and other government buildings. Unlike the other streets downtown, the seven streets comprising the Capitol Loop were under state maintenance and jurisdiction.

    The loop was originally proposed in 1986 as part of a downtown revitalization effort. Almost from the beginning before the highway was commissioned in 1989, it was affected by controversial proposals. Several suggestions by community leaders to rename city streets in honor ofMartin Luther King Jr. were rejected. In the end, Logan Street was given a second name, Martin Luther King Jr. Boulevard, and the original name was eventually dropped. (Full article...)
  • Image 4 The Chickasaw Turnpike, also designated State Highway 301 (SH-301), is a controlled-access road in the rural south central region of the U.S. state of Oklahoma. A two-lane freeway, it stretches for 13.3 miles (21.4 km) from north of Sulphur to just south of Ada. The Oklahoma Turnpike Authority (OTA) owns, maintains, and collects tolls on the turnpike. The first section of the Chickasaw Turnpike opened on September 1, 1991. The Chickasaw resulted from a compromise between urban and rural legislators. Originally, it was part of a now-canceled plan to connect southern and eastern Oklahoma with a longer turnpike. It was also intended to link Ada to the Interstate system. A four-mile (6.4 km) segment of the turnpike was transferred to the Oklahoma Department of Transportation (ODOT), making it a toll-free road, in 2011. (Full article...)
    Image 4
    TheChickasaw Turnpike, also designatedState Highway 301 (SH-301), is acontrolled-access road in the ruralsouth central region of the U.S. state ofOklahoma. Atwo-lane freeway, it stretches for 13.3 miles (21.4 km) from north ofSulphur to just south ofAda. TheOklahoma Turnpike Authority (OTA) owns, maintains, and collectstolls on the turnpike. The first section of the Chickasaw Turnpike opened on September 1, 1991.

    The Chickasaw resulted from a compromise between urban and rural legislators. Originally, it was part of a now-canceled plan to connect southern and eastern Oklahoma with a longer turnpike. It was also intended to link Ada to the Interstate system. A four-mile (6.4 km) segment of the turnpike was transferred to theOklahoma Department of Transportation (ODOT), making it a toll-free road, in 2011. (Full article...)
  • Image 5 Business M-28 (Bus. M-28) is a state trunkline highway serving as a business route that runs for approximately 4.9 miles (7.9 km) through the downtown districts of Ishpeming and Negaunee in the US state of Michigan. The trunkline provides a marked route for traffic diverting from U.S. Highway 41 (US 41) and M-28 through the two historic iron-mining communities. It is one of three business loops for M-numbered highways in the state of Michigan. There have previously been two other Bus. M-28 designations for highways in Newberry and Marquette. The trunkline was originally a section of US 41/M-28 and M-35. Before the 1930s, the main highways ran through the two downtown areas when US 41/M-28 was relocated to run near Teal Lake. The former routing had various names over the years. It was designated as an alternate route of the main highways, using both the US 41A/M-28A and Alt. US 41/Alt. M-28 designations before it was designated as Bus. M-28 in 1958. M-35 continued to run through downtown Negaunee along a section of the highway until the 1960s. A rerouting in 1999 moved the trunkline designation along Lakeshore Drive in Ishpeming, and a streetscape project rebuilt the road in Negaunee in 2005. (Full article...)
    Image 5
    Business M-28 (Bus. M-28) is astate trunkline highway serving as abusiness route that runs for approximately 4.9 miles (7.9 km) through the downtown districts ofIshpeming andNegaunee in the US state ofMichigan. The trunkline provides a marked route for traffic diverting fromU.S. Highway 41 (US 41) andM-28 through the two historic iron-mining communities. It is one of three business loops for M-numbered highways in the state of Michigan. There have previously been two other Bus. M-28 designations for highways inNewberry andMarquette.

    The trunkline was originally a section of US 41/M-28 andM-35. Before the 1930s, the main highways ran through the two downtown areas when US 41/M-28 was relocated to run nearTeal Lake. The former routing had various names over the years. It was designated as analternate route of the main highways, using both theUS 41A/M-28A andAlt. US 41/Alt. M-28 designations before it was designated as Bus. M-28 in 1958. M-35 continued to run through downtown Negaunee along a section of the highway until the 1960s. A rerouting in 1999 moved the trunkline designation along Lakeshore Drive in Ishpeming, and a streetscape project rebuilt the road in Negaunee in 2005. (Full article...)
  • Image 6 Interstate 94 (I-94) is a part of the Interstate Highway System that runs from Billings, Montana, to the Lower Peninsula of the US state of Michigan. In Michigan, it is a state trunkline highway that enters the state south of New Buffalo and runs eastward through several metropolitan areas in the southern section of the state. The highway serves Benton Harbor–St. Joseph near Lake Michigan before turning inland toward Kalamazoo and Battle Creek on the west side of the peninsula. Heading farther east, I-94 passes through rural areas in the middle of the southern Lower Peninsula, crossing I-69 in the process. I-94 then runs through Jackson, Ann Arbor, and portions of Metro Detroit, connecting Michigan's largest city to its main airport. Past the east side of Detroit, the Interstate angles northeasterly through farmlands in The Thumb to Port Huron, where the designation terminates on the Blue Water Bridge at the Canada–United States border. The first segment of what later became I-94 within the state, the Willow Run Expressway, was built near Ypsilanti and Belleville in 1941, with an easterly extension to Detroit in 1945. This expressway was initially numbered M-112. In the mid-1950s, state and federal officials planned an Interstate to replace the original route of US Highway 12 (US 12). By 1960, the length of I-94 was completed from Detroit to New Buffalo. Two years later, the US 12 designation was dropped from the freeway. Subsequent extensions in the 1960s completed most of the rest of the route, including the remaining sections between Detroit and Port Huron which superseded the routing of US 25. The last segment opened to the public in 1972 when Indiana completed its connection across the state line. Since completion, I-94 has remained relatively unchanged; a few interchanges have been rebuilt, a second span was constructed for the Blue Water Bridge, and, in 1987, a plane crashed on the freeway during takeoff from the airport in Detroit. The routing of I-94 is notable for containing the first full freeway-to-freeway interchange in the United States, connecting to the Lodge Freeway (M-10), and for comprising the first complete border-to-border toll-free freeway in a state in the United States. The highway has one auxiliary route, I-194, which serves downtown Battle Creek, and eight business routes. Various segments have been dedicated to multiple people and places. (Full article...)
    Image 6
    Interstate 94 (I-94) is a part of theInterstate Highway System that runs fromBillings, Montana, to theLower Peninsula of the US state ofMichigan. In Michigan, it is astate trunkline highway that enters the state south ofNew Buffalo and runs eastward through several metropolitan areas in the southern section of the state. The highway servesBenton Harbor–St. Joseph nearLake Michigan before turning inland towardKalamazoo andBattle Creek on the west side of the peninsula. Heading farther east, I-94 passes through rural areas in the middle of the southern Lower Peninsula, crossingI-69 in the process. I-94 then runs throughJackson,Ann Arbor, and portions ofMetro Detroit, connecting Michigan's largest city to itsmain airport. Past the east side ofDetroit, the Interstate angles northeasterly through farmlands inThe Thumb toPort Huron, where the designation terminates on theBlue Water Bridge at theCanada–United States border.

    The first segment of what later became I-94 within the state, the Willow Run Expressway, was built nearYpsilanti andBelleville in 1941, with an easterly extension to Detroit in 1945. This expressway was initially numberedM-112. In the mid-1950s, state and federal officials planned an Interstate to replace the original route ofUS Highway 12 (US 12). By 1960, the length of I-94 was completed from Detroit to New Buffalo. Two years later, the US 12 designation was dropped from the freeway. Subsequent extensions in the 1960s completed most of the rest of the route, including the remaining sections between Detroit and Port Huron which superseded the routing ofUS 25. The last segment opened to the public in 1972 when Indiana completed its connection across the state line. Since completion, I-94 has remained relatively unchanged; a few interchanges have been rebuilt, a second span was constructed for the Blue Water Bridge, and, in 1987,a plane crashed on the freeway during takeoff from the airport in Detroit. The routing of I-94 is notable for containing thefirst full freeway-to-freeway interchange in the United States, connecting to the Lodge Freeway (M-10), and for comprising the first complete border-to-border toll-free freeway in a state in the United States. The highway has one auxiliary route,I-194, which serves downtown Battle Creek, and eightbusiness routes. Various segments have been dedicated to multiple people and places. (Full article...)
  • Image 7 New York State Route 28N (NY 28N) is an east–west state highway in the North Country of New York in the United States. It extends for 50.95 miles (82.00 km) through the Adirondack Mountains from Blue Mountain Lake to North Creek. The route is a northerly alternate route to NY 28 between both locations; as such, it passes through several communities that NY 28 bypasses to the south. The westernmost 10 miles (16 km) of NY 28N overlap with NY 30 through the town of Long Lake. NY 28N and NY 30 split in the hamlet of Long Lake, from where NY 30 heads to the north and NY 28N proceeds eastward through mountainous regions of Adirondack Park. The 40-mile (64 km) section of NY 28N not concurrent with NY 30 is designated as the Roosevelt–Marcy Trail, a scenic byway named for Theodore Roosevelt, who was then the Vice President of the United States. The byway marks the path Roosevelt took in 1901 to reach North Creek from Mount Marcy after learning that President William McKinley had been assassinated. The route has a rather scant history before its designations. The road originated as an old highway stretching from Warren County to Long Lake. It was used for transportation in the iron ore industry in Newcomb, and for the lumber industry in Minerva. New York State gained control of the road in 1909. The NY 28N designation was assigned as part of the 1930 renumbering of state highways in New York, incorporating part of pre-1930 NY 10. (Full article...)
    Image 7
    New York State Route 28N (NY 28N) is an east–weststate highway in theNorth Country ofNew York in the United States. It extends for 50.95 miles (82.00 km) through theAdirondack Mountains fromBlue Mountain Lake toNorth Creek. The route is a northerly alternate route toNY 28 between both locations; as such, it passes through several communities that NY 28 bypasses to the south. The westernmost 10 miles (16 km) of NY 28Noverlap withNY 30 through the town ofLong Lake. NY 28N and NY 30 split in thehamlet of Long Lake, from where NY 30 heads to the north and NY 28N proceeds eastward through mountainous regions ofAdirondack Park.

    The 40-mile (64 km) section of NY 28N not concurrent with NY 30 is designated as the Roosevelt–Marcy Trail, a scenic byway named forTheodore Roosevelt, who was then theVice President of the United States. The byway marks the path Roosevelt took in 1901 to reach North Creek fromMount Marcy after learning that PresidentWilliam McKinley had been assassinated. The route has a rather scant history before its designations. The road originated as an old highway stretching from Warren County to Long Lake. It was used for transportation in the iron ore industry in Newcomb, and for the lumber industry inMinerva. New York State gained control of the road in 1909. The NY 28N designation was assigned as part of the1930 renumbering of state highways in New York, incorporating part of pre-1930NY 10. (Full article...)
  • Image 8 Interstate 696 (I-696) is an east–west auxiliary Interstate Highway in the Metro Detroit region of the US state of Michigan. The state trunkline highway is also known as the Walter P. Reuther Freeway, named for the prominent auto industry union head by the Michigan Legislature in 1971. I-696 is a bypass route, detouring around the city of Detroit through the city's northern suburbs in Oakland and Macomb counties. It starts by branching off I-96 and I-275 at its western terminus in Farmington Hills, and runs through suburbs including Southfield, Royal Oak and Warren before merging into I-94 at St. Clair Shores on the east end. It has eight lanes for most of its length and is approximately 10 miles (16 km) north of downtown Detroit. I-696 connects to other freeways such as I-75 (Chrysler Freeway) and M-10 (Lodge Freeway). Local residents sometimes refer to I-696 as "The Autobahn of Detroit". Planning for the freeway started in the 1950s. Michigan state officials proposed the designation I-98, but this was not approved. Construction started on the first segment in 1961, and the Lodge Freeway was designated Business Spur Interstate 696 (BS I-696) the following year. The western third of the freeway opened in 1963, and the eastern third was completed in January 1979. The central segment was the subject of much controversy during the 1960s and 1970s. Various municipalities along this stretch argued over the routing of the freeway such that the governor locked several officials into a room overnight until they would agree to a routing. Later, various groups used federal environmental regulations to force changes to the freeway. The Orthodox Jewish community in Oak Park was concerned about pedestrian access across the freeway; I-696 was built with a set of parks on overpasses to accommodate their needs. The Detroit Zoo and the City of Detroit also fought components of the freeway design. These concessions delayed the completion of I-696 until December 15, 1989. Since completion, the speed limit was raised from 55 to 70 miles per hour (89 to 113 km/h). In addition, some interchanges were reconfigured in 2006. (Full article...)
    Image 8
    Interstate 696 (I-696) is an east–westauxiliary Interstate Highway in theMetro Detroit region of the US state ofMichigan. Thestate trunkline highway is also known as theWalter P. Reuther Freeway, named for the prominentauto industry union head by theMichigan Legislature in 1971. I-696 is a bypass route, detouring around the city ofDetroit through the city's northern suburbs inOakland andMacomb counties. It starts by branching offI-96 andI-275 at its western terminus inFarmington Hills, and runs through suburbs includingSouthfield,Royal Oak andWarren before merging intoI-94 atSt. Clair Shores on the east end. It has eight lanes for most of its length and is approximately 10 miles (16 km) north of downtown Detroit. I-696 connects to other freeways such asI-75 (Chrysler Freeway) andM-10 (Lodge Freeway). Local residents sometimes refer to I-696 as "The Autobahn of Detroit".

    Planning for the freeway started in the 1950s. Michigan state officials proposed the designation I-98, but this was not approved. Construction started on the first segment in 1961, and the Lodge Freeway was designatedBusiness Spur Interstate 696 (BS I-696) the following year. The western third of the freeway opened in 1963, and the eastern third was completed in January 1979. The central segment was the subject of much controversy during the 1960s and 1970s. Various municipalities along this stretch argued over the routing of the freeway such that the governor locked several officials into a room overnight until they would agree to a routing. Later, various groups used federal environmental regulations to force changes to the freeway. TheOrthodox Jewish community inOak Park was concerned about pedestrian access across the freeway; I-696 was built with a set of parks on overpasses to accommodate their needs. TheDetroit Zoo and the City of Detroit also fought components of the freeway design. These concessions delayed the completion of I-696 until December 15, 1989. Since completion, the speed limit was raised from 55 to 70 miles per hour (89 to 113 km/h). In addition, some interchanges were reconfigured in 2006. (Full article...)
  • Image 9 M-553 is a north–south state trunkline highway in the Upper Peninsula (UP) of the US state of Michigan. It connects M-35 near Gwinn with the Marquette Bypass, an expressway carrying US Highway 41 (US 41) and M-28 in Marquette. M-553 connects Marquette with Marquette Sawyer Regional Airport at the unincorporated community of K.I. Sawyer, the former site of a US Air Force base, in the Sands Plains area of Marquette County. The intersection with County Road 480 (CR 480) in Sands Township, known locally as the Crossroads, is the site of several businesses. North of this location, M-553 runs through some hilly terrain around a local ski hill. The trunkline was originally County Road 553 (CR 553) in Marquette County. CR 553 dates back to the 1930s, was fully paved in the 1940s, and a segment of the roadway was relocated in the 1950s. During the early 1990s, the City of Marquette extended one of their streets, McClellan Avenue, southward to connect to CR 553. The county road was transferred from the Marquette County Road Commission (MCRC) to the jurisdiction of the Michigan Department of Transportation (MDOT) on October 1, 1998. MDOT assigned most of the former county road the M-553 designation after the transfer was complete. One section that was less than a mile (about 1.4 km) was given the M-554 designation. This related trunkline was unsigned by the state with only city street signs to indicate its existence. In 2005, control of various roadways was exchanged between the City of Marquette and MDOT, and M-553 was extended through the city. At the same time, M-554 was turned over to the city's jurisdiction. (Full article...)
    Image 9
    M-553 is a north–southstate trunkline highway in theUpper Peninsula (UP) of the US state ofMichigan. It connectsM-35 nearGwinn with the Marquette Bypass, anexpressway carryingUS Highway 41 (US 41) andM-28 inMarquette. M-553 connects Marquette withMarquette Sawyer Regional Airport at theunincorporated community ofK.I. Sawyer, the former site of aUS Air Force base, in the Sands Plains area of Marquette County. The intersection with County Road 480 (CR 480) inSands Township, known locally as the Crossroads, is the site of several businesses. North of this location, M-553 runs through some hilly terrain around a local ski hill.

    The trunkline was originallyCounty Road 553 (CR 553) inMarquette County. CR 553 dates back to the 1930s, was fully paved in the 1940s, and a segment of the roadway was relocated in the 1950s. During the early 1990s, the City of Marquette extended one of their streets, McClellan Avenue, southward to connect to CR 553. Thecounty road was transferred from the Marquette County Road Commission (MCRC) to the jurisdiction of theMichigan Department of Transportation (MDOT) on October 1, 1998. MDOT assigned most of the former county road the M-553 designation after the transfer was complete. One section that was less than a mile (about 1.4 km) was given theM-554 designation. Thisrelated trunkline wasunsigned by the state with only city street signs to indicate its existence. In 2005, control of various roadways was exchanged between the City of Marquette and MDOT, and M-553 was extended through the city. At the same time, M-554was turned over to the city's jurisdiction. (Full article...)
  • Image 10 Interstate 68 (I-68) is a 113.15-mile (182.10 km) Interstate Highway in the U.S. states of West Virginia and Maryland, connecting I-79 in Morgantown, West Virginia, east to I-70 in Hancock, Maryland. I-68 is also Corridor E of the Appalachian Development Highway System (ADHS). From 1965 until the freeway's construction was completed in 1991, it was designated as U.S. Route 48 (US 48). In Maryland, the highway is known as the National Freeway, an homage to the historic National Road, which I-68 parallels between Keysers Ridge and Hancock. The freeway mainly spans rural areas and crosses numerous mountain ridges along its route. A road cut at Sideling Hill exposed geological features of the mountain and has become a tourist attraction. US 219 and US 220 overlap I-68 in Garrett County and Cumberland, respectively, and US 40 overlaps with the freeway from Keysers Ridge to the eastern end of the freeway at Hancock. (Full article...)
    Image 10
    Interstate 68 (I-68) is a 113.15-mile (182.10 km)Interstate Highway in the U.S. states ofWest Virginia andMaryland, connectingI-79 inMorgantown, West Virginia, east toI-70 inHancock, Maryland. I-68 is alsoCorridor E of theAppalachian Development Highway System (ADHS). From 1965 until the freeway's construction was completed in 1991, it was designated asU.S. Route 48 (US 48). In Maryland, the highway is known as theNational Freeway, an homage to the historicNational Road, which I-68 parallels betweenKeysers Ridge and Hancock. The freeway mainly spans rural areas and crosses numerous mountain ridges along its route. A road cut atSideling Hill exposed geological features of the mountain and has become a tourist attraction.

    US 219 andUS 220overlap I-68 inGarrett County andCumberland, respectively, andUS 40 overlaps with the freeway from Keysers Ridge to the eastern end of the freeway at Hancock. (Full article...)
  • Image 11 State Route 520 (SR 520) is a state highway and freeway in the Seattle metropolitan area, part of the U.S. state of Washington. It runs 13 miles (21 km) from Seattle in the west to Redmond in the east. The freeway connects Seattle to the Eastside region of King County via the Evergreen Point Floating Bridge on Lake Washington. SR 520 intersects several state highways, including Interstate 5 (I-5) in Seattle, I-405 in Bellevue, and SR 202 in Redmond. The original floating bridge was opened in 1963 as a replacement for the cross-lake ferry system that had operated since the late 19th century. In 1964, SR 520 was designated as a freeway connecting I-5 to I-405. An extension to Redmond was proposed later in the decade. In the 1970s and 1980s, sections of the freeway between Bellevue and Redmond were opened to traffic, replacing the temporary designation of SR 920. (Full article...)
    Image 11
    State Route 520 (SR 520) is astate highway andfreeway in theSeattle metropolitan area, part of the U.S. state ofWashington. It runs 13 miles (21 km) fromSeattle in the west toRedmond in the east. The freeway connects Seattle to theEastside region ofKing County via theEvergreen Point Floating Bridge onLake Washington. SR 520 intersects several state highways, includingInterstate 5 (I-5) in Seattle,I-405 inBellevue, andSR 202 in Redmond.

    Theoriginal floating bridge was opened in 1963 as a replacement for the cross-lakeferry system that had operated since the late 19th century. In 1964, SR 520 was designated as a freeway connecting I-5 to I-405. An extension to Redmond was proposed later in the decade. In the 1970s and 1980s, sections of the freeway between Bellevue and Redmond were opened to traffic, replacing the temporary designation of SR 920. (Full article...)
  • Image 12 U.S. Route 40 Alternate (Alt US 40) is the U.S. Highway designation for a former segment of U.S. Route 40 (US 40) through Garrett and Allegany counties in Maryland. The highway begins at US 40 near exit 14 on Interstate 68 (I-68) and runs 31.80 miles (51.18 km) eastward to Cumberland, where it ends at exit 44 on I-68. Alt US 40 is maintained by the Maryland State Highway Administration (MDSHA). The highway is known as National Pike because it follows the original alignment of the historic National Road. As a result, there are many historic sites along Alt US 40, including the Casselman Bridge in Grantsville and the last remaining National Road toll gate house in Maryland, located in LaVale. (Full article...)
    Image 12
    U.S. Route 40 Alternate (Alt US 40) is theU.S. Highway designation for a former segment ofU.S. Route 40 (US 40) throughGarrett andAllegany counties inMaryland. The highway begins at US 40 near exit 14 onInterstate 68 (I-68) and runs 31.80 miles (51.18 km) eastward toCumberland, where it ends at exit 44 on I-68. Alt US 40 is maintained by theMaryland State Highway Administration (MDSHA).

    The highway is known as National Pike because it follows the original alignment of the historicNational Road. As a result, there are many historic sites along Alt US 40, including theCasselman Bridge inGrantsville and the last remaining National Road toll gate house in Maryland, located inLaVale. (Full article...)
  • Image 13 U.S. Route 50 (US 50) is a transcontinental highway in the United States, stretching from West Sacramento, California, in the west to Ocean City, Maryland, on the east coast. The Nevada portion crosses the center of the state and was named "The Loneliest Road in America" by Life magazine in July 1986. The name was intended as a pejorative, but Nevada officials seized it as a marketing slogan. The name originates from large desolate areas traversed by the route, with few or no signs of civilization. The highway crosses several large desert valleys separated by numerous mountain ranges towering over the valley floors, in what is known as the Basin and Range province of the Great Basin. US 50 has a diverse route through the state, traversing the resort communities of Lake Tahoe, the state capital in Carson City, historical sites such as Fort Churchill State Historic Park, petroglyphs, alpine forests, desert valleys, ghost towns, and Great Basin National Park. (Full article...)
    Image 13
    U.S. Route 50 (US 50) is a transcontinental highway in the United States, stretching fromWest Sacramento, California, in the west toOcean City, Maryland, on the east coast. TheNevada portion crosses the center of the state and was named "The Loneliest Road in America" byLife magazine in July 1986. The name was intended as apejorative, but Nevada officials seized it as a marketing slogan. The name originates from large desolate areas traversed by the route, with few or no signs of civilization. The highway crosses several large desert valleys separated by numerous mountain ranges towering over the valley floors, in what is known as theBasin and Range province of theGreat Basin.

    US 50 has a diverse route through the state, traversing the resort communities ofLake Tahoe, the state capital inCarson City, historical sites such asFort Churchill State Historic Park,petroglyphs, alpine forests, desert valleys,ghost towns, andGreat Basin National Park. (Full article...)
  • Image 14 US Highway 25 (US 25) was a part of the United States Numbered Highway System in the state of Michigan that ran from the Ohio state line near Toledo and ended at the tip of The Thumb in Port Austin. The general routing of this state trunkline highway took it northeasterly from the state line through Monroe and Detroit to Port Huron. Along this southern half, it followed undivided highways and ran concurrently along two freeways, Interstate 75 (I-75) and I-94. Near the foot of the Blue Water Bridge in Port Huron, US 25 turned north and northwesterly along the Lake Huron shoreline to Port Austin. Created with the initial US Highway System on November 11, 1926, US 25 replaced several previous state highway designations. Some of the preceding highways followed roadways created in the 19th and the early 20th centuries. It initially was only routed as far north as Port Huron; the northern extension to Port Austin happened in 1933. By the end of the 1950s, the entire route was paved. Starting in the early 1960s, segments of I-75 and I-94 were built, and US 25 was shifted to follow them south of Detroit to Port Huron. A business loop was created when the main highway bypassed downtown Port Huron, and then in 1973, the entire designation was removed from the state. The final routing of the highway is still maintained by the state under eight different designations, some unsigned. (Full article...)
    Image 14
    US Highway 25 (US 25) was a part of theUnited States Numbered Highway System in the state ofMichigan that ran from theOhio state line nearToledo and ended at the tip ofThe Thumb inPort Austin. The general routing of thisstate trunkline highway took it northeasterly from the state line throughMonroe andDetroit toPort Huron. Along this southern half, it followedundivided highways andran concurrently along two freeways,Interstate 75 (I-75) andI-94. Near the foot of theBlue Water Bridge in Port Huron, US 25 turned north and northwesterly along theLake Huron shoreline to Port Austin.

    Created with the initial US Highway System on November 11, 1926, US 25 replaced several previous state highway designations. Some of the preceding highways followed roadways created in the 19th and the early 20th centuries. It initially was only routed as far north as Port Huron; the northern extension to Port Austin happened in 1933. By the end of the 1950s, the entire route was paved. Starting in the early 1960s, segments of I-75 and I-94 were built, and US 25 was shifted to follow them south of Detroit to Port Huron. A business loop was created when the main highway bypassed downtown Port Huron, and then in 1973, the entire designation was removed from the state. The final routing of the highway is still maintained by the state under eight different designations, someunsigned. (Full article...)
  • Image 15 The Atlantic City–Brigantine Connector (A.C.–Brigantine Connector), officially the Atlantic City Expressway Connector, is a connector freeway in Atlantic City, New Jersey, United States. It is a 2.37-mile (3.81 km) extension of the Atlantic City Expressway, connecting it to New Jersey Route 87, which leads into Brigantine via the Marina district of Atlantic City. Locally, the freeway is known as "the Tunnel", due to the tunnel along its route that passes underneath the Westside neighborhood. The freeway is owned and operated by the South Jersey Transportation Authority (SJTA); it has an unsigned state highway designation of Route 446X. Proposals for a similar connector road in Atlantic City date to 1964; planning began in 1995 after businessman Steve Wynn proposed a new casino in the Marina district. The goals were to reduce traffic on Atlantic City streets and improve access to the Marina district and Brigantine. It was supported by Governor Christine Todd Whitman and Mayor Jim Whelan, but faced major opposition during its planning. Residents whose homes were to be destroyed for the tunnel construction fought the project, and competing casino owner Donald Trump filed lawsuits to prevent its construction. (Full article...)
    Image 15
    TheAtlantic City–Brigantine Connector (A.C.–Brigantine Connector), officially theAtlantic City Expressway Connector, is aconnectorfreeway inAtlantic City, New Jersey, United States. It is a 2.37-mile (3.81 km) extension of theAtlantic City Expressway, connecting it toNew Jersey Route 87, which leads intoBrigantine via the Marina district of Atlantic City. Locally, the freeway is known as "the Tunnel", due to thetunnel along its route that passes underneath the Westside neighborhood. The freeway is owned and operated by theSouth Jersey Transportation Authority (SJTA); it has anunsignedstate highway designation ofRoute 446X.

    Proposals for a similar connector road in Atlantic City date to 1964; planning began in 1995 after businessmanSteve Wynn proposed a newcasino in the Marina district. The goals were to reduce traffic on Atlantic City streets and improve access to the Marina district and Brigantine. It was supported by GovernorChristine Todd Whitman and MayorJim Whelan, but faced major opposition during its planning. Residents whose homes were to be destroyed for the tunnel construction fought the project, and competing casino ownerDonald Trump filed lawsuits to prevent its construction. (Full article...)

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References and notes

  1. ^"I-49 Missouri-Arkansas Connector Project completed after more than 40 years". Retrieved January 4, 2022.
  2. ^Strawser, Justin (April 6, 2020)."Graffiti Highway to be closed by owners".The Daily Item. RetrievedApril 6, 2020.
  3. ^Reed, J. (April 6, 2020)."Work Begins on Centralia's Graffiti Highway; State Police Enforce".Skook News. RetrievedApril 6, 2020.
  4. ^Munsun, Jeff (October 3, 2019)."Exit numbers to change on Carson City Freeway beginning this weekend".Carson Now. RetrievedOctober 3, 2019.
  5. ^Marusak, Joe (May 31, 2019)."First part of I-77 toll lanes finally opened Saturday. Here's what you need to know".The Charlotte Observer. RetrievedJune 1, 2019.
  6. ^Lindblom, Mike (February 4, 2019)."New tunnel? No problem? It was an easy, light-traffic day Monday on Highway 99".The Seattle Times. RetrievedFebruary 6, 2019.
  7. ^Smith, Jerry (January 10, 2019)."U.S. 301 Mainline toll road opens Thursday to cheers and jeers".The News Journal. Wilmington, DE. RetrievedJanuary 10, 2019.
  8. ^"Route 219 extension opens".The Tribune-Democrat. Johnstown, PA. November 21, 2018. RetrievedNovember 22, 2018.
  9. ^Campbell, LouAnna (November 7, 2018)."Lindale relief route open, Toll 49 extended from I-20 to US Highway 69, north of Lindale".Tyler Morning Telegraph. RetrievedJanuary 31, 2019.
  10. ^"Hogan Administration Announces Long-Awaited US 219 Realignment Construction Project in Garrett County" (Press release). Maryland State Highway Administration. October 13, 2018. RetrievedOctober 13, 2018.
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