Interstate 105 in California

Interstate 105 in California


Get started El Segundo
End Norwalk
Length 19 mi
Length 30 km
1A Imperial HighwayLos Angeles city limits

1 Sepulveda Boulevard

1D Los Angeles International Airport

2A La Cienega Boulevard

Hawthorne city limits

2B San Diego Fwy

3 Hawthorne Boulevard

5 Crenshaw Boulevard

Los Angeles city limits

7A Vermont Avenue

7B Harbor Fwy

9 Central Avenue

10 Wilmington Avenue

Lynwood city limits

12 Long Beach Boulevard

13 Long Beach Fwy

Paramount city limits

14 Garfield Avenue

15 Paramount Boulevard

Bellflower city limits

16 Lakewood Boulevard

17 Bellflower Boulevard

18 San Gabriel River Fwy

Interstate 105 or I -105 is an Interstate Highway in the US state of California. The highway serves as an east-west connection in the Los Angeles metropolitan area. The highway connects the LAX Los Angeles International Airport at El Segundo with several suburbs and eventually Norwalk. The highway passes through South (Central) Los Angeles, and the “Gateway Cities”, southeast of Los Angeles. The highway is known as the Glen Anderson Freeway, after the Democratic politician who worked on its construction. Locals call the highway The 105 or The One-oh-Five Freeway. The name Century Freeway is also used incidentally.

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Travel directions

I-105 at the interchange with I-405.

I-105 at the interchange with I-110.

The highway begins at Sepulveda Boulevard, near the Los Angeles airport. The highway here is elevated above the underlying street network, mainly the Imperial Highway. The highway heads east, and intersects Interstate 405, the San Diego Freeway. To the north one can go to Santa Monica and the San Fernando Valley, to the south to Long Beach and San Diego. It now passes through Inglewood, Lennox, and Westmont, with several major intersections with streets such as Hawthorne Boulevard, Crenshaw Boulevard, Western Avenue, and Vermont Avenue. In Los Angeles one crosses Interstate 110, or Harbor Freeway, which runs from the ports to downtown Los Angeles. You then pass through a number of places that are not under a city government, but under Los Angeles County, although there is nothing to notice along the way, it is one big sea of ​​houses.

Here, too, a number of important streets are crossed, such as Avalon Boulevard, Central Avenue, Wilmington Avenue, Alameda Street, Long Beach Boulevard and Atlantic Avenue. These are large north-south streets with at least 4 lanes, and which can handle quite a bit of traffic, but you will encounter a lot of traffic lights. Lynwood crosses Interstate 710, the Long Beach Freeway, which runs from Long Beach to Pasadena. This node is a large 4-level stack. It also crosses the channeled and often dry Los Angeles River.

One passes through the so-called “Gateway Cities”, a number of smaller suburbs between Los Angeles and Orange County, such as Downey and Bellflower. The area consists mainly of suburbs with closely spaced detached houses with swimming pools and palm trees. The highway eventually ends at Interstate 605, which runs from Long Beach to El Monte, and the fourth north-south route is from the west. Between here and Interstate 5, only two miles are missing, but the highway never went through Norwalk. Residential areas are also in the way here.

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The highway was already part of the plans in the 1960s, but it took until 1993 for the highway to be opened. This is the most recent major highway opening in Los Angeles. Building the highway was not easy, due to opposition from environmental groups and local groups. There were also problems because the highway would run through a criminal district. Ultimately, most of the highway was constructed below ground level. The construction was plagued by groundwater problems, particularly in Downey.

Norwalk has always opposed the construction of I-105 all the way to I-5. The road authority Caltrans has also dropped this plan, because Interstate 5 has only 2×3 lanes, and is already very congested and cannot handle additional traffic from the 105.

The opening of Interstate 105 has greatly reduced traffic on the underlying road network, as before opening, the nearest east-west freeway was 12 miles south or 12 miles north. The intensities on the parallel Santa Monica Freeway (I-10) dropped from 350,000 to 310,000 vehicles per day after I-105 opened. The intensities on the Gardena Freeway (SR-91) dropped from 220,000 to 160,000 mvt/day, bringing more than half of the traffic on I-105 from these freeways.

Immediately after opening, the intensities on I-105 were around 180,000 mvt/day.

Opening history

From Unpleasant Length Opening
I-605 Sepulveda Blvd 30 km 14-10-1993


See also Los Angeles HOV system.

The I-105 has HOV lanes between I-405 and I-605, covering almost the entire length of the highway. Some of these HOV lanes also have their own flyovers in the huge star interchange with Interstate 110. There is also a light rail in the central reservation of the I-105.


The HOV lanes on I-105 are the first to be built at the same time as the highway itself, opening to traffic on October 14, 1993. Since then, there have been no further adjustments.

traffic jam

Traffic is relatively low compared to other freeways in the area, such as the Santa Monica Freeway and Interstate 405. Nevertheless, parts are overloaded.

Traffic intensities

The intensities apply to the east of the relevant connection

Exit Location 1994 2000 2006 2008 2012 2016
1 Sepulveda Boulevard 76,000 90,000 89,000 89,000 113,000 119,000
2 Interstate 405 154,000 193,000 199,000 199,000 211,000 226,000
3 Hawthorne Boulevard 177,000 219,000 223,000 218,000 226,000 246,000
5 Crenshaw Boulevard 195,000 242,000 247,000 239,000 245,000 271,000
6 Vermont Avenue 179,000 225,000 230,000 222,000 227,000 251,000
7 Interstate 110 185,000 228,000 237,000 234,000 235,000 246,000
9 Central Avenue 186,000 216,000 233,000 229,000 230,000 230,000
10 Wilmington Avenue 182,000 214,000 230,000 225,000 226,000 224,000
12 Long Beach Boulevard 179,000 215,000 235,000 229,000 230,000 205,000
13 Interstate 710 141,000 176,000 206,000 202,000 202,000 197,000
15 Paramount Boulevard 157,000 194,000 226,000 222,000 224,000 220,000
16 Lakewood Boulevard 146,000 197,000 211,000 207,000 208,000 215,000
17 Bellflower Boulevard 142,000 190,000 201,000 198,000 204,000 215,000

In particular, east of I-110, the traffic volumes have increased sharply between 2000 and 2006, this is because there are construction works on the I-5, causing a lot of traffic jams there. Traffic can then divert downtown via SR-91, I-605, I-105, and I-110 (or I-710). In 2008 intensities were again somewhat depressed by the economic recession.

Lane Configuration

From Unpleasant Lanes
Exit 1 Exit 2 2×3
Exit 2 Exit 5 2×4
Exit 5 exit 8 2×5
exit 8 Exit 18 2×4

Interstate 105 in California

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