| San Diego Freeway | ||||
I-405 highlighted in red | ||||
| Route information | ||||
| Auxiliary route ofI-5 | ||||
| Maintained byCaltrans | ||||
| Length | 72.15 mi[1] (116.11 km) | |||
| Existed | 1964–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| South end | ||||
| Major intersections |
| |||
| North end | ||||
| Location | ||||
| Country | United States | |||
| State | California | |||
| Counties | Orange,Los Angeles | |||
| Highway system | ||||
| ||||
Interstate 405 (I-405,locally referred to asthe 405)[2] is a major north–southauxiliary Interstate Highway inSouthern California. The entire route is known as the northern segment of theSan Diego Freeway. I-405 is abypass auxiliary route ofI-5, running along the southern and western parts of theGreater Los Angeles urban area fromIrvine in the south toSylmar in the north.
I-405, heavily traveled by both commuters and freight haulers along its entire length, is the busiest and most congested freeway in the United States.[3][4] The freeway'sannual average daily traffic between exits 21 and 22 inSeal Beach reached 374,000 in 2008, making it the highest count in the nation.[4] It has played a crucial role in the development of dozens of cities and suburbs along its route throughLos Angeles andOrange counties. It also servesLos Angeles International Airport,Long Beach Airport, and Orange County'sJohn Wayne Airport.
The entirety of I-405 is defined in section 615 of theCalifornia Streets and Highways Code asRoute 405, and that the highway is from "Route 5 nearEl Toro to Route 5 nearSan Fernando".[5] This definition corresponds with theFederal Highway Administration (FHWA)'s route logs of I-405.[6][7]
I-405 is part of theCalifornia Freeway and Expressway System[8] and is part of theNational Highway System,[6] a network of highways that are considered essential to the country's economy, defense, and mobility by theFederal Highway Administration.[9] The entire freeway is known as the San Diego Freeway, and parts of it are less commonly known as the Sepulveda Freeway (afterSepulveda Boulevard).[10] In 2024, theCalifornia State Legislature passed Assembly Bill 2698, adding subdivision (b) to section 615 of the California Streets and Highways Code that designates the segment from Bolsa Chica Road to Bolsa Avenue near theLittle Saigon district inOrange County as the Little Saigon Freeway, in recognition of it being the oldest and largestLittle Saigon enclave in the country.[11]
I-405 begins at theEl Toro Y interchange in southeasternIrvine inOrange County, splitting from its parentI-5 and inheriting that route'sSan Diego Freeway title; I-5 continues north as theSanta Ana Freeway. The freeway passes immediately south of theIrvine Spectrum Center mall before intersecting withState Route 133 (SR 133). It then continues through Irvine, passing north of theUniversity of California, Irvine, and then along the northern boundary ofJohn Wayne Airport. After passing the airport, the freeway entersCosta Mesa and has an interchange withSR 55. It passesSouth Coast Plaza before a partial interchange withSR 73, which serves as a partially-tolled bypass of I-405 between Costa Mesa andLaguna Niguel.
The freeway then travels throughFountain Valley and along the edges ofWestminster andHuntington Beach before enteringSeal Beach, where it begins torun concurrently withSR 22. It continues along the northern edge of Seal Beach, passing betweenNaval Weapons Station Seal Beach andJoint Forces Training Base - Los Alamitos, before SR 22 splits from I-405 and continues west while the freeway turns north. I-405 then intersects the southern end ofI-605 before crossing theSan Gabriel River and enteringLos Angeles County.
I-405 enters Los Angeles County in the city ofLong Beach. It passes to the north ofCalifornia State University, Long Beach, and then along the south ofLong Beach Airport. The freeway then intersects withI-710 before enteringCarson (and crossing through a small sliver of the city ofLos Angeles before reentering Carson). It passes nearCalifornia State University, Dominguez Hills, andDignity Health Sports Park, home ofMajor League Soccer clubLA Galaxy. Aweigh station for both directions is located in Carson between the Avalon Boulevard andMain Street exits.

The freeway then intersects withI-110 as it briefly reenters the city of Los Angeles by passing through theHarbor Gateway, astrip of land connectingSan Pedro to the rest of the city. I-405 then continues to roughly parallel the contour of the coastline as it passes through theSouth Bay communities ofTorrance,Lawndale,Redondo Beach,Hawthorne, andEl Segundo. The freeway then encountersI-105 on the southeastern corner ofLos Angeles International Airport. It passes to the east of the airport, serving it with exits at theImperial Highway andCentury Boulevard.
I-405 next passes throughInglewood, coming nearSoFi Stadium, home to theLos Angeles Rams andLos Angeles Chargers of theNational Football League. It then passes throughWestchester andCulver City where it meetsSR 90, the Marina Freeway. It serves the Los Angeles neighborhoods ofMar Vista andWest Los Angeles while passing a few miles east ofSanta Monica, intersecting withI-10 in the process. The freeway continues intoWestwood, passing just to the west ofUniversity of California, Los Angeles. It then passes theGetty Center as it ascendsSepulveda Pass through theSanta Monica Mountains.

After cresting the mountains, I-405 descends into theSan Fernando Valley, intersectingUS Route 101 (US 101) in theSherman Oaks neighborhood of Los Angeles. The freeway then continues due north through the western part of the valley, passing east ofVan Nuys Airport andCalifornia State University, Northridge. It intersectsSR 118 in theMission Hills area before ending in a merge with I-5 inSylmar.
Following the completion of theSepulveda Pass Improvements Project in 2014, I-405 had the longesthigh-occupancy vehicle (HOV) lanes in California, stretching about 70 miles (110 km) of the highway.[12]
Construction on the I-405 Improvement Project then started in March 2018, which included converting the existing HOV lanes tohigh-occupancy toll (HOT) lanes. The first segment of HOT lanes betweenSR 73 inCosta Mesa andI-605 inSeal Beach opened on December 1, 2023. The conversion included closing the lanes in November to test the tolling equipment. In addition, two lanes were added in each direction, one toll lane and one general purpose lane, making the upgrade from five to seven lanes in each direction.[13][14][15]
As of January 2026[update], the HOT lanes are a24/7 service. Solo drivers are tolled using acongestion pricing system based on the real-time levels of traffic. For two-person carpools, they are charged the posted toll during weekday peak hours between 6:00 am and 10:00 am and between 2:00 pm and 7:00 pm and weekend peak hours between 1:00 pm and 7:00 pm; no toll would charged during off-peak hours until3+1⁄2 years after their opening. Carpools with three or more people and motorcycles are not charged. All tolls are collected using anopen road tolling system, and therefore there are no toll booths to receive cash. Each vehicle using the HOT lanes is required to carry aFasTrakFlex transponder with its switch set to indicate the number of the vehicle's occupants (1, 2, or 3+). Solo drivers may also use the FasTrak standard tag without the switch. Drivers without any FasTrak tag will be assessed a toll violation regardless of whether they qualified for free.[16]
The freeway is one of the busiest freeways in the nation and is the busiest freeway in California.[13] The freeway's congestion problems have led to jokes that the road was numbered 405 because traffic moves at "four or five" miles per hour (6.4 or 8.0 km/h), or because drivers had spent "four or five" hours to travel anywhere. Indeed, average speeds as low as 5 mph (8.0 km/h) are routinely recorded during morning and afternoon commutes, and its interchanges with theVentura Freeway (US 101) and with theSanta Monica Freeway (I-10) each consistently rank among the five most congested freeway interchanges in the US.[citation needed] As a result of these congestion problems, delays passing through the entirety ofGreater Los Angeles using this bypass route instead of merely using the primary route I-5 throughDowntown Los Angeles may be present.
I-405 is the only major north–south freeway in the densely populated areas betweenWest Los Angeles and Downtown Los Angeles, crossing theSanta Monica Mountains and connecting theSan Fernando Valley and theLos Angeles Basin. It is also a major connection for traffic en route to either thePort of Los Angeles, thePort of Long Beach,Los Angeles International Airport, orSoFi Stadium. By 2040, this corridor is estimated to increase by 35 percent and travel times reduced by 75 percent.[13][dubious –discuss] The freeway's West Los Angeles section is the subject of annual gridlock photos and videos taken during theThanksgiving holiday weekend, most often from an aerial view.[17]
Another parallel freeway was proposed to connect the valley and basin (theLaurel Canyon Freeway orLa Cienega Freeway) but has facedupper-class andNIMBY homeowner opposition.[18] Despite four years of construction disruptions and billions of dollars of public money,Los Angeles Times commentary claims traffic with the lane expansions is actually just as bad or worse.[19]
Unlike some of the other major travel corridors in the region (such asI-5 which parallels theLOSSAN Corridor), I-405 has no rail-based public transit which parallels it along the west side of Orange and Los Angeles counties. There is a proposal for aSepulveda Transit Corridor which would parallel I-405 throughSepulveda Pass, one of the major bottlenecks on the route, which would ease congestion by providing an alternative to driving.[citation needed]
| Location | Palos Verdes Peninsula–New Pine Creek |
|---|---|
| Existed | 1934–1964 |



I-405 was approved as a chargeable Interstate (in other words, an Interstate financed with federal funds) in 1955. The Division of Highways originally requested I-9 for the corridor, while the Santa Ana Freeway would be I-11;[20] I-3 was later requested in April 1958 before the Division of Highways agreed to use I-405.[21] Construction began in 1957 with the first section,[citation needed] mostly north ofLos Angeles International Airport, which was completed in 1961 and initially signed as SR 7.[citation needed] The 5.7-mile (9.2 km) section through Sepulveda Pass was dedicated on December 21, 1962, and cost $20 million to construct. It was designed with a maximum grade of 5.5 percent and required the relocation of Sepulveda Boulevard and theMulholland Highway, which was moved 1.1 miles (1.8 km) to the south along a new 579-foot-long (176 m) bridge over the freeway.[22][23] Additional sections west ofAlameda Street were completed in 1962 and 1963, creating 41.8 miles (67.3 km) of continuous freeway.[24]
The highway was renumbered to I-405 during the1964 state highway renumbering.[citation needed] The Orange County portion of the San Diego Freeway took 13 years to construct, with the first section opening in 1958.[25] The final section of I-405, 8 miles (13 km) leading to I-5 in Irvine, was dedicated on December 6, 1968, and opened to traffic in January 1969.[25][26]
A section of I-405 was closed over the weekend of Friday, July 15, 2011, as part of the Sepulveda Pass Improvements Project.[27] Before the closing, local radio DJs and television newscasts referred to it as "Carmageddon" and "Carpocalypse", parodying the notion ofArmageddon and theApocalypse, since it was anticipated that the closure would severely impact traffic.[28][29] In reality, traffic was lighter than normal across a wide area. TheCalifornia Department of Transportation (Caltrans) reported that fewer vehicles used the roads than usual, and those who did travel by road arrived more quickly than on a normal weekend.[30] TheMetrolink commuter train system recorded its highest-ever weekend ridership since it began operating in 1991. Ridership was 50 percent higher than the same weekend in 2010 and 10 percent higher than the previous weekend ridership record, which occurred during theU2 360° Tour in June 2011.[31] TheLos Angeles Times on Sunday, July 17, 2011, featured comments and images of people enjoying the moment next to the I-405 freeway with the free-flowing traffic.[32]
In response toJetBlue's offer of special flights betweenHollywood Burbank Airport in Burbank andLong Beach Airport, adistance of only 29 miles (47 km), for $4.00,[33][34] a group of cyclists did the same journey in one and a half hours, compared to two and a half hours by plane (including a drive to the airport from West Hollywood 90 minutes in advance of the flight and travel time to the end destination).[35] There was also some debate about whether the Los Angeles area could benefit fromcar-free weekends regularly.[30]
TheLos Angeles County Metropolitan Transportation Authority then had full closure of a 10-mile (16 km) stretch of I-405 on the weekend of September 29–30, 2012, while construction crews worked to demolish a portion of the Mulholland Bridge.[36]
Researchers at theUniversity of California, Los Angeles, used the closure of I-405 to study particulate matter air pollution. The researchers took air samples before, during, and after the closure. The researchers found an 83-percent reduction in ultrafineparticles, 55-percent reduction in fine particle matter, and 62-percent lessblack carbon.[37]
The $1-billion Sepulveda Pass Improvements Project added ahigh-occupancy vehicle (HOV) lane and associated changes to freeway entrances, exits, and underpasses along a 10-mile (16 km) stretch throughSepulveda Pass between I-10 and US 101/Ventura Boulevard.[38] The project was completed as adesign–build in contrast to the traditionaldesign–bid–build used typically in infrastructure improvement. This section of I-405 was closed for a weekend in mid-July 2011 to demolish theMulholland Drive Bridge, and a 10-mile (16 km) section was closed for the last weekend of September 2012.[27]
Jamzilla was the name for the I-405 closure onPresidents' Day weekend 2014. There were lane closures and complete closures on I-405 starting February 14 at 10:00 pm until February 18 at 6:00 am to pave and restripe the northbound lanes.[39]
On May 23, 2014, the 10-mile (16 km) HOV lane was opened to traffic.[40]

Proposed changes between the Manchester and Century Boulevard interchanges in the city ofInglewood are to provide a new southbound onramp and a new northbound offramp for Arbor Vitae Street, to reconstruct and widened the Arbor Vitae Street over-bridge and replace the Century Boulevard overcrossing structure.[41] This work would reduce congestion on the approach toLos Angeles International Airport.[citation needed][dubious –discuss]Caltrans has not yet issued a start date for this work.
The HOVs lane that were constructed as part of the Sepulveda Pass Improvements Project are proposed to be upgraded to express lanes by 2028.[42]
| County | Location | mi[43][44][45][46] | km | Exit[43] | Destinations | Notes |
|---|---|---|---|---|---|---|
| Orange | Irvine | 0.00 | 0.00 | — | Southern terminus;El Toro Y; no access to I-5 north; I-5 north exit 94A; San Diego Freeway continues as I-5 south; formerUS 101 south | |
| 0.72 | 1.16 | 1A | Lake Forest Drive | No northbound exit | ||
| 1B | Bake Parkway | |||||
| 1C | Irvine Center Drive | Signed as exit 1 northbound | ||||
| ♦ | HOV access only; southbound exit and northbound entrance | |||||
| 1.57 | 2.53 | 2 | SR 133 north exit 8 | |||
| Southbound exit and northbound entrance; SR 133 south exits 8A-B | ||||||
| 2.65 | 4.26 | 3 | ServesHoag Hospital Irvine,Kaiser PermanenteOrange County – Irvine Medical Center | |||
| 3.72 | 5.99 | 4 | Jeffrey Road / University Drive | |||
| 5.39 | 8.67 | 5 | Culver Drive | |||
| 6.69 | 10.77 | 7 | Jamboree Road | |||
| 7.57 | 12.18 | 8 | ||||
| Costa Mesa | 8.51 | 13.70 | 9A | SR 55 south exits 6A-B | ||
| Northbound exit and southbound entrance; southbound access is via exit 10; SR 55 north exit 6 | ||||||
| ♦ | HOV access only | |||||
| 9.28 | 14.93 | 9B | Anton Boulevard / Avenue of the Arts / Bristol Street | Northbound signage | ||
| Bristol Street | Southbound signage | |||||
| — | 405 Express Lanes | South end of express lanes; opened in December 2023[14][15] | ||||
| 10.05 | 16.17 | 10 | Southbound exit and northbound entrance | |||
| — | Express Lanes access only; southbound exit and northbound entrance[14] | |||||
| 11 | South Coast Drive / Fairview Road / Susan Street /Harbor Boulevard | Northbound exit only | ||||
| 10.59 | 17.04 | 11A | Fairview Road | Signed as part of exit 11 northbound | ||
| 11B | Harbor Boulevard | |||||
| Fountain Valley | 12.24 | 19.70 | 12 | Euclid Street / Newhope Street / Ellis Avenue | Ellis Avenue not signed northbound; Newhope Street not signed southbound | |
| 13.55 | 21.81 | 14 | ServesMemorialCare Orange Coast Medical Center | |||
| 14.59 | 23.48 | 15A | Warner Avenue west | Northbound signage | ||
| Warner Avenue east | Southbound signage | |||||
| Fountain Valley–Huntington Beach– Westminster tripoint | 14.98 | 24.11 | 15B | Magnolia Street | Northbound signage | |
| Magnolia Street / Warner Avenue west | Southbound signage | |||||
| Huntington Beach–Westminster line | 16.31 | 26.25 | 16 | ServesHuntington Beach Hospital | ||
| Westminster | 17.52 | 28.20 | 18 | Bolsa Avenue / Goldenwest Street | ||
| 18.93 | 30.46 | 19 | Westminster Boulevard / Springdale Street | Springdale Street not signed northbound; signed as exits 19A (Westminster Boulevard east) and 19B (Westminster Boulevard west / Springdale Street) southbound | ||
| 20.33 | 32.72 | 20 | Signed as exit 21 northbound; Bolsa Chica Road not signed northbound; SR 22 east not signed southbound | |||
| Westminster–Garden Grove line | 20.52 | 33.02 | 21 | Southern end of SR 22 concurrency; southbound exit and northbound entrance; northbound access is via exit 21 | ||
| — | Express Lanes access only; southbound exit and northbound entrance | |||||
| Seal Beach | 22.41 | 36.07 | 22 | Seal Beach Boulevard / Los Alamitos Boulevard | Los Alamitos Boulevard was formerSR 35 | |
| 23.05 | 37.10 | 23 | Northern end of SR 22 concurrency; northbound signage; I-605 south exit 1A | |||
| — | Express Lanes access only; northbound exit and southbound entrance | |||||
| — | 405 Express Lanes | North end of express lanes; opened in December 2023[14] | ||||
| 23 | Southbound signage; SR 22 east exit 2; I-605 south exit 1A | |||||
| Orange–Los Angeles county line | Seal Beach–Long Beach– Los Alamitos tripoint | 23.81 | 38.32 | 24A | Signed as exit 24 northbound; I-605 north exit 1A, south exits 1B-C; SR 22 exit 2 | |
| Seal Beach–Long Beach line | 23.95 | 38.54 | San Gabriel River | |||
| Los Angeles | Long Beach | 24.40 | 39.27 | 24B | Studebaker Road | Southbound exit and northbound entrance |
| 25.06 | 40.33 | 25 | Palo Verde Avenue | |||
| 25.59 | 41.18 | 26A | Woodruff Avenue | No southbound exit | ||
| 26.13 | 42.05 | 26B | Bellflower Boulevard | Signed as exit 26 southbound | ||
| 27.27 | 43.89 | 27 | ||||
| 28.83 | 46.40 | 29 | Spring Street / Cherry Avenue –Signal Hill | Signed as exits 29A (south) and 29B (north) | ||
| Signal Hill | 29.37 | 47.27 | 29C | Orange Avenue | ||
| Signal Hill–Long Beach line | 29.85 | 48.04 | 30A | ServesMemorialCare Long Beach Medical Center | ||
| Long Beach | 30.11 | 48.46 | 30B | Long Beach Boulevard | FormerSR 15 | |
| 31.37 | 50.49 | 32A | Pacific Avenue | Southbound exit and northbound entrance | ||
| 31.83 | 51.23 | 32B | Signed as exits 32A (north) and 32B (south) northbound; I-710 exit 4 | |||
| 31.83 | 51.23 | 32C | ||||
| 31.87 | 51.29 | 32D | Hughes Way / Santa Fe Avenue | Signed as exit 32C northbound; Hughes Way not signed southbound | ||
| Carson | 32.55 | 52.38 | 33A | Alameda Street (SR 47 south) | Southbound exit and entrance connects to 223rd Street | |
| 33.33 | 53.64 | 33B | Wilmington Avenue | |||
| 34.31 | 55.22 | 34 | Carson Street | |||
| 35.00 | 56.33 | 35 | Avalon Boulevard | Northbound exit to Avalon Boulevard south is via exit 34 | ||
| 36.37 | 58.53 | 36 | Main Street | Northbound exit and southbound entrance | ||
| 36.74 | 59.13 | 37A | Signed as exit 37 northbound; formerUS 6; I-110 exit 9 | |||
| Los Angeles | 37.01 | 59.56 | 37B | Vermont Avenue | Southbound exit and northbound entrance | |
| 37.60 | 60.51 | 38A | Normandie Avenue –Gardena | |||
| Los Angeles–Torrance line | 38.19 | 61.46 | 38B | Western Avenue | ||
| Torrance | 39.22 | 63.12 | 39 | Crenshaw Boulevard | ||
| 40.35 | 64.94 | 40A | Signed as exit 40 northbound; formerSR 91 | |||
| Lawndale | 40.65 | 65.42 | 40B | Redondo Beach Boulevard –Redondo Beach | Southbound exit and northbound entrance | |
| 41.36 | 66.56 | 42A | ||||
| Lawndale–Redondo Beach line | 42.01 | 67.61 | 42B | Inglewood Avenue | ||
| Hawthorne | 42.98 | 69.17 | 43 | Rosecrans Avenue –Manhattan Beach | Signed as exits 43A (east/west) and 43B (west) southbound | |
| 43.99 | 70.80 | 44 | El Segundo Boulevard –El Segundo | |||
| Lennox | 44.95 | 72.34 | 45A | Signed as exit 45 southbound; servesLos Angeles International Airport; I-105 east exit 2, west exit 2B | ||
| 44.95 | 72.34 | 45B | Imperial Highway | Southbound exit is part of exit 46 | ||
| Inglewood | 46.00 | 74.03 | 46 | |||
| 47.13 | 75.85 | 47 | Manchester Boulevard /La Cienega Boulevard /Florence Avenue | Manchester Boulevard was formerSR 42 | ||
| Los Angeles | 48.05 | 77.33 | 48 | La Tijera Boulevard | ||
| 48.33 | 77.78 | 49A | Howard Hughes Parkway /Sepulveda Boulevard | Signed as exit 49 southbound | ||
| Culver City | 49.23 | 79.23 | 49B | Sepulveda Boulevard /Slauson Avenue (SR 90 east) | Northbound exit only; SR 90 exit 2 | |
| Culver City–Los Angeles line | 49.70 | 79.98 | 50A | Jefferson Boulevard | Signed as exit 50B northbound | |
| 50B | Signed as exit 50A northbound; SR 90 east exit 2 | |||||
| Southbound exit and northbound entrance; SR 90 west exit 2 | ||||||
| Culver City | 50.97 | 82.03 | 51 | Culver Boulevard /Washington Boulevard | ||
| 51.22 | 82.43 | 52 | Venice Boulevard /Washington Boulevard | Venice Boulevard was formerSR 187 | ||
| Los Angeles | 52.94 | 85.20 | 53A | National Boulevard | Northbound exit and southbound entrance | |
| 53.31 | 85.79 | 53B | Signed as exit 53 southbound; I-10 exits 3A-B | |||
| 53.96 | 86.84 | 54 | Olympic Boulevard /Pico Boulevard | Southbound exit and northbound entrance; formerSR 26 | ||
| 54.63 | 87.92 | 55A | FormerUS 66 | |||
| | 55.31– 55.34 | 89.01– 89.06 | 55B | Signed as exits 55B (east) and 55C (west) southbound; servesRonald Reagan UCLA Medical Center | ||
| Los Angeles | 56.27 | 90.56 | 56 | Montana Avenue | Northbound exit only; demolished[47] | |
| 56.77 | 91.36 | 57A | Sunset Boulevard | Signed as exit 57 southbound | ||
| 57.06 | 91.83 | 57B | Moraga Drive | Northbound exit and entrance | ||
| 58.54 | 94.21 | 59 | Getty Center Drive | |||
| 60.80 | 97.85 | 61 | Mulholland Drive / Skirball Center Drive | |||
| Sepulveda Pass[48], elevation 1,129 feet (344 m)[49] | ||||||
| 62.78 | 101.03 | 63A | ServesEncino Hospital Medical Center | |||
| 63.20 | 101.71 | 63B | US 101 exit 19A | |||
| 64.06 | 103.09 | 64 | Burbank Boulevard | |||
| 65.13 | 104.82 | 65 | ServesValley Presbyterian Hospital (northbound only) | |||
| 66.14– 66.17 | 106.44– 106.49 | 66 | Signed as exits 66A (east) and 66B (west) northbound; serves Valley Presbyterian Hospital (southbound only) | |||
| 67.53 | 108.68 | 68 | ServesMission Community Hospital | |||
| 68.51 | 110.26 | 69 | Nordhoff Street | |||
| 70.03 | 112.70 | 70 | Devonshire Street –Granada Hills | |||
| 70.62 | 113.65 | 71A | Signed as exit 71 southbound; SR 118 east exit 42A | |||
| Northbound exit and southbound entrance; SR 118 west exit 42B | ||||||
| 71.01 | 114.28 | 71B | San Fernando Mission Boulevard | Northbound exit and southbound entrance | ||
| 71.53 | 115.12 | 72 | ServesProvidence Holy Cross Medical Center | |||
| 72.42 | 116.55 | — | Northern terminus; no access to I-5 south; I-5 south exit 158 | |||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
| ||||||
The full carpool route runs for 70 miles from southern Orange County to near the northern tip of the San Fernando Valley, matching the existing carpool run on the southbound side.
During 53 hours of closure, the north side of the Mulholland Bridge will be demolished as part of the $1 billion Sepulveda Pass Improvements Project.
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