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US 40 highlighted in red | ||||
| Route information | ||||
| Maintained byKDOT | ||||
| Length | 423.67 mi[1] (681.83 km) | |||
| Major junctions | ||||
| West end | ||||
| Major intersections | in Lawrence | |||
| North end | ||||
| Location | ||||
| Country | United States | |||
| State | Kansas | |||
| Counties | Wallace,Logan,Gove,Trego,Ellis,Russell,Ellsworth,Lincoln,Saline,Dickinson,Geary,Riley,Wabaunsee,Shawnee,Douglas,Leavenworth,Wyandotte | |||
| Highway system | ||||
| ||||
| ||||
U.S. Route 40 (US-40) is a part of theU.S. Highway System that runs fromInterstate 80 (I-80) andUS-189 inSilver Summit, Utah east toUS-322 andOcean Drive inAtlantic City, New Jersey. In theU.S. state ofKansas, US-40 is a main east–west highway that runs from the Colorado border east to the Missouri border. The highway is concurrent withInterstate 70 (I-70) fromOakley toTopeka, and again throughKansas City.

US 40 entersKansas near the unincorporated community ofWeskan. The first sizable town it enters isSharon Springs, where it intersectsK-27. From there it goes northeast toOakley and follows Eagle Eye Road before merging with I-70 east of town. The two routes remain merged untilTopeka, although the prior alignment of US 40, named Old Highway 40, parallels I-70 for most of the way.[2][3] FromEllsworth toSalina, the old alignment of US 40 is signed asK-140.
In Topeka, US 40 leaves I-70 at exit 366, follows the Oakland Expressway concurrent withK-4 north to 6th Avenue, then heads east along 6th Avenue out of town. Through Topeka, US 40 closely follows the route of theOregon Trail.[4] At theShawnee-Douglas county line nearBig Springs, US 40 crosses to the south of I-70 and entersLawrence from the west along West 6th Street. At the west side of Lawrence, the route is joined byK-10 and travels south and east to the junction withUS 59 and then runs north withUS 59 to cross theKansas River. It follows North 2nd and North 3rd Streets, crosses back under I-70, leaves US 59, and merges withUS 24[2][3] before leaving town.

US 40 remains merged with US 24 as the two routes travel northeast to the town ofTonganoxie. From there, the merged routes turn due east towardKansas City, Kansas. In Kansas City, US 40 and US 24 intersectUS 73 andK-7, and turning south towardInterstate 70. US 40, along with US 24, then merge onto I-70 and recross the Kansas River over theLewis and Clark Viaduct just before enteringKansas City, Missouri.[2][3][5]
On December 1, 2008, US 40, along with US 24 and US 73, was rerouted south along K-7 west of Kansas City to the intersection with I-70. Before this date, US 40 and US 24 continued along State Avenue to College Parkway before turning right to follow Turner Diagonal for1⁄2 mile (800 m) where US 40 joined Interstate 70 for the duration of its journey eastward toward Missouri.
In 1951, the State of Kansas designated U.S. Route 40 as aBlue Star Memorial Highway from border to border.

By October 1967, the section of I-70 from north of Dorrance to north of Salina was open to traffic. Then in an October 13, 1967 resolution, US-40 was realigned onto the newly opened section I-70.[6]
Exit numbers are those of I-70 and Kansas Turnpike
| County | Location | mi | km | Exit | Destinations | Notes |
|---|---|---|---|---|---|---|
| Wallace | | 0.000 | 0.000 | Continuation into Colorado | ||
| Sharon Springs | West end of K-27 concurrency | |||||
| East end of K-27 concurrency | ||||||
| Logan | | Western end of K-25 overlap | ||||
| | Eastern end of K-25 overlap | |||||
| Oakley | Western end of US-83 overlap | |||||
| Eastern end of US-83 overlap | ||||||
| Gove | | 75.87 | 122.10 | Western end of I-70 concurrency; I-70 exit 76 | ||
| | 79.80 | 128.43 | 79 | Campus Road | ||
| | 85.75 | 138.00 | 85 | |||
| | 93.72 | 150.83 | 93 | |||
| | 95.68 | 153.98 | 95 | Access via unsignedK-23 Spur | ||
| | 99.67 | 160.40 | 99 | |||
| Quinter | 107.31 | 172.70 | 107 | Castle Rock Road –Quinter | FormerK-212 | |
| Trego | | 114.93 | 184.96 | 115 | ||
| | 119.84 | 192.86 | 120 | Voda Road | ||
| WaKeeney | 126.89 | 204.21 | 127 | |||
| 127.93 | 205.88 | 128 | ||||
| | 135.11 | 217.44 | 135 | |||
| | 140.23 | 225.68 | 140 | Riga Road | ||
| Ellis | Ellis | 145.29 | 233.82 | 145 | ||
| | 152.68 | 245.71 | 153 | Yocemento Avenue | ||
| Hays | 156.80 | 252.35 | 157 | |||
| 159.00 | 255.89 | 159 | ||||
| | 161.31 | 259.60 | 161 | Commerce Parkway | ||
| | 163.35 | 262.89 | 163 | Toulon Avenue | ||
| | 168.34 | 270.92 | 168 | |||
| | 172.56 | 277.71 | 172 | Walker Avenue | ||
| Russell | | 175.56 | 282.54 | 175 | 176th Street –Gorham | FormerK-257 |
| | 180.56 | 290.58 | 180 | Balta Road | ||
| Russell | 184.54 | 296.99 | 184 | Former western terminus ofUS 40 Bus. | ||
| | 188.56 | 303.46 | 189 | Pioneer Road | Former eastern terminus ofUS 40 Bus. | |
| | 192.56 | 309.90 | 193 | Bunker Hill Road | ||
| Dorrance | 199.09 | 320.40 | 199 | Dorrance | FormerK-231 | |
| Ellsworth | | 205.48 | 330.69 | 206 | ||
| | 209.50 | 337.16 | 209 | Sylvan Grove | ||
| | 215.52 | 346.85 | 216 | Vesper | ||
| | 218.54 | 351.71 | 219 | West end of K-14 overlap | ||
| | 221.44 | 356.37 | 221 | East end of K-14 overlap | ||
| | 224.87 | 361.89 | 225 | |||
| Lincoln | | 232.96 | 374.91 | 233 | Beverly,Carneiro | |
| Saline | | 237.96 | 382.96 | 238 | Brookville,Tescott | |
| | 243.97 | 392.63 | 244 | Hedville,Culver | ||
| | 248.99 | 400.71 | 249 | Halstead Road | ||
| | 250.24 | 402.72 | 250A-B | Northern terminus of I-135, exits 95A-B;cloverleaf interchange. | ||
| Salina | 252.02 | 405.59 | 252 | |||
| | 253.09 | 407.31 | 253 | Ohio Street | ||
| | 259.49 | 417.61 | 260 | Niles Road | ||
| Dickinson | Solomon | 265.94 | 427.99 | 266 | Solomon Road | FormerK-221 |
| | 272.00 | 437.74 | 272 | Fair Road | ||
| Abilene | 274.54 | 441.83 | 275 | |||
| | 277.09 | 445.93 | 277 | Jeep Road | ||
| | 280.30 | 451.10 | 281 | |||
| | 285.54 | 459.53 | 286 | |||
| Geary | | 289.85 | 466.47 | 290 | Milford Lake Road | |
| Junction City | 294.34 | 473.69 | 295 | West end of K-18 overlap | ||
| 295.92 | 476.24 | 296 | ||||
| 297.29 | 478.44 | 298 | East Street / Chestnut Street | |||
| Grandview Plaza | 298.28 | 480.04 | 299 | Flinthills Boulevard (US 40 Bus. /K-57) / J Hill Road | ||
| 299.18 | 481.48 | 300 | No westbound entrance | |||
| | 300.33 | 483.33 | 301 | Fort Riley,Marshall Field | ||
| | 302.28 | 486.47 | 303 | East end of K-18 overlap | ||
| | 303.42 | 488.31 | 304 | Humboldt Creek Road | ||
| | 306.87 | 493.86 | 307 | McDowell Creek Road | ||
| | 311.22 | 500.86 | 311 | Moritz Road | ||
| | 313.26 | 504.14 | 313 | |||
| Riley | | 315.44 | 507.65 | 316 | Deep Creek Road | |
| | 317.61 | 511.14 | 318 | Frontage Road | ||
| Wabaunsee | | 321.76 | 517.82 | 322 | Tallgrass Road | |
| | 323.25 | 520.22 | 324 | Wabaunsee Road | ||
| | 326.73 | 525.82 | 328 | |||
| | 329.26 | 529.89 | 330 | |||
| | 331.19 | 533.00 | 332 | Spring Creek Road | ||
| | 332.18 | 534.59 | 333 | |||
| | 334.28 | 537.97 | 335 | Snokomo Road | ||
| | 337.24 | 542.74 | 338 | Vera Road | ||
| | 340.22 | 547.53 | 341 | |||
| | 341.23 | 549.16 | 342 | Keene-Eskridge Road | ||
| | 342.21 | 550.73 | 343 | Ranch Road | Private interchange put in for the Brethour Ranch | |
| Shawnee | | 345.20 | 555.55 | 346 | Carlson Road | |
| | 346.70 | 557.96 | 347 | West Union Road | ||
| | 349.22 | 562.02 | 350 | Valencia Road | ||
| | 350.24 | 563.66 | 351 | Frontage Road | Eastbound exit and westbound entrance | |
| | 352.26 | 566.91 | 353 | West end of K-4 overlap | ||
| Topeka | 354.65 | 570.75 | 355 | West end of US-75 overlap; western terminus of I-470, exit 1A to 70 east westbound. | ||
| 355.24 | 571.70 | 356 | Wanamaker Road | |||
| 356.38– 356.85 | 573.54– 574.29 | 357A | Fairlawn Road | Signed as exit 357 eastbound | ||
| 357B | Danbury Lane | Westbound exit only | ||||
| 357.16– 357.54 | 574.79– 575.40 | 358A | East end of US-75 overlap; signed as exit 358 eastbound | |||
| 358B | Gage Boulevard | Signed as exit 358 eastbound | ||||
| 358.56 | 577.05 | 359 | MacVicar Avenue | |||
| 360.23– 360.94 | 579.73– 580.88 | 361A | 1st Avenue | Provides access to Topeka Boulevard; eastbound exit and westbound entrance | ||
| 361B | 3rd Street / Monroe Street | Eastbound exit and westbound entrance | ||||
| 361.04– 361.66 | 581.04– 582.04 | 362A | 4th Street | Westbound exit and eastbound entrance | ||
| 362B | 8th Avenue | Signed as exit 362 eastbound | ||||
| 362C | 10th Avenue / Madison Street | Westbound exit and eastbound entrance | ||||
| 362.11 | 582.76 | 363 | Adams Street / Branner Trafficway | |||
| 363.08– 363.82 | 584.32– 585.51 | 364A | California Avenue | |||
| 364B | Carnahan Avenue / Deer Creek Trafficway | |||||
| 364.58 | 586.73 | 365 | Rice Road | |||
| 365.39 | 588.04 | — | East end of I-70 overlap; I-70 exit 366 | |||
| Tecumseh | East end of K-4 overlap; east end of freeway section | |||||
| Douglas | Lawrence | Western end of K-10 overlap | ||||
| Eastern end of K-10 overlap; western end of US-59 overlap | ||||||
| I-70 exit 204 | ||||||
| Western end of US-24 overlap; eastern end of US-59 overlap | ||||||
| | Western terminus of K-32 | |||||
| Leavenworth | Tonganoxie | Eastern terminus of K-16 | ||||
| Wyandotte | | Western end of US-73/K-7 overlap | ||||
| Kansas City | West end of I-70 overlap; east end of US-73/K-7 overlap; southern terminus of US-73; Kansas Turnpike exit 224 | |||||
| 410 | 110th Street –Kansas Speedway | Exit numbers follow mileage of I-70 | ||||
| 411A-B | I-435 exits 12A-B; signed as exits 411A (south) and 411B (north) | |||||
| 414 | 78th Street | |||||
| 415 | Turner Diagonal / College Parkway | Signed as exits 415A (Turner Diagonal) and 415B (College Parkway) eastbound | ||||
| 417 | 57th Street | |||||
| 418A-B | Signed as exits 418A (north) and 418B (south) eastbound; westbound access is part of exit 419; I-635 exits 4A-B | |||||
| 419 | Park Drive / 38th Street | |||||
| 420A | West end of US-69 overlap; east end of Kansas Turnpike | |||||
| 420B | 18th Street north | |||||
| 421A | Railroad Yard – No outlet, railroad use only | Westbound exit and eastbound entrance | ||||
| 421B | Eastbound exit and westbound entrance | |||||
| 422A | East end of US-69 overlap | |||||
| 422B | West end of US-169 overlap | |||||
| 422C | Pacific Avenue | |||||
| 422D | Central Avenue | |||||
| 423A | 5th Street | Eastbound exit and westbound entrance | ||||
| 423B | James Street / 3rd Street | Eastbound exit and westbound entrance | ||||
| 423C | Minnesota Avenue / Washington Boulevard | Westbound exit and eastbound entrance | ||||
| 423D | Fairfax District | Westbound exit and eastbound entrance | ||||
| Kansas–Missouri line | ||||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
| ||||||
| Location | WaKeeney, Kansas |
|---|---|
| Length | 2.3 mi (3.7 km) |
| Existed | October 13, 1979[7]–present |
U.S. Route 40 Business (US-40 Bus.) is a 2.3-mile-long (3.7 km)business route throughWaKeeney, Kansas, that was recommended in 1979 as substitute for the formerly proposedInterstate 70 Business Loop. It begins at exit 127 onInterstate 70/U.S. Route 40 (I-70/US-40) and travels to the north,concurrent withUS-283 along South First Street. At theintersection with Barclay Avenue (Old Highway 40), US-40 Bus. and US-283 turn to the east. By the time Barclay Avenue encounters South 13th Street, US-283 turns left to the north, US-40 Bus. turns right to the south, and Old Highway 40 continues straight ahead to the east. After passing by the Kansas Veterans Cemetery, and the headquarters for the Western Co-Op Electric Association,[8] US-40 Bus. terminates at exit 128 on I-70/US-40, while South 13th Street continues as a local road that changes its name to 260th Avenue.
| Location | Russell, Kansas |
|---|---|
| Existed | October 13, 1979[7]–November 15, 2013[9] |
U.S. Route 40 Business (US-40 Bus.) was a short business loop throughRussell, Kansas. It ran from Exit 184 alongInterstate 70/US 40, overlapping part ofU.S. Route 281 (South Fossil Street) then makes a right turn onto East Wichita Avenue (old US 40). Just before the intersection with 187th Street, the road curves from east to southeast as it follows the south side of a railroad line, and passes the northeast side of the Russell Municipal Airport. East Wichita Avenue ends at 189th Street and BUS US 40 makes a right turn south as it ends at Exit 189 on I-70/US 40.
Business US 40 was approved in a meeting on October 13, 1979,[7] after Alternate US 40 was decommissioned in Russell.[10][11] US-40 Bus. was approved by AASHTO to be decommissioned on October 17, 2013. US-40 Bus. was decommissioned by KDOT on November 15, 2013.[9]
| Location | Junction City |
|---|---|
| Existed | October 13, 1979[7]–present |
U.S. Route 40 Business (US-40 Bus.) is a business loop through Junction City. US-40 Business was approved in a meeting on October 13, 1979.[7]
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