Interstate 110 and State Route 110 (California)

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Interstate 110 and State Route 110 marker Interstate 110 and State Route 110 marker

Interstate 110 and State Route 110

Harbor Freeway
I-110 and SR 110 highlighted in red
Route information
Maintained by Caltrans
Length31.819 mi[1] (51.208 km)
Arroyo Seco Parkway
RestrictionsNo trucks over 3 tons north of exit 24A
Major junctions
South end SR 47 in San Pedro
Major intersections
North endGlenarm Street in Pasadena
CountryUnited States
CountiesLos Angeles
Highway system
SR 109SR 111

Interstate 110 (I-110) and State Route 110 (SR 110) are two connected highways in Los Angeles County, California. They go between the Port of Los Angeles and Pasadena, going through Downtown Los Angeles. Between the Port of L.A. and Interstate 10, the road is called the Interstate 10. It is called California State Route 110 between Interstate 10 and Pasadena. The whole route is also called the Harbor Freeway. The route is about 32 miles (51 km) long.[2][3]

Exits[change | change source]

Except when a letter is put before it, postmiles were measured on the road as it was in 1964, based on how it was at the time, and do not necessarily show the current mileage. R reflects a change in the route since then, M indicates a second change, L refers an overlap because of a correction or change, and T indicates postmiles that were temporary (for a full list of prefixes, see the list of postmile definitions).[1] Segments that have not been built or are now controlled locally may be left out. The entire route is in Los Angeles County.

San PedroR0.93Gaffey Street – San PedroSouthern terminus of I-110; southern end of Harbor Freeway[7]
R0.931A SR 47 (Vincent Thomas Bridge)  – Terminal Island, Long BeachSR 47 exit 1B
R1.231BChannel Street / Pacific AvenueNo southbound entrance
Wilmington2.773AHarry Bridges Boulevard
3.263BAnaheim Street
4.064 SR 1 (Pacific Coast Highway)  – Torrance, Beach Cities
West Carson5.455Sepulveda Boulevard
6.527A223rd StreetNorthbound exit is via exit 7
7.027BCarson StreetSigned as exit 7 northbound
7.748Torrance Boulevard
CarsonLos Angeles line8.78–
9 I-405 (San Diego Freeway)  – Santa Monica, Long BeachModule:Jct warning: "road" parameter is deprecated190th St. not signed northbound; I-405 is former SR 7; I-405 exit 37 northbound, 37A southbound
Los Angeles9.8710 SR 91 (Gardena Freeway)  – Beach Cities, RiversideSigned as exits 10A (east) and 10B (west) northbound; SR 91 exit 6
I-110 Express Lanes – Harbor Gateway Transit CenterSouthbound exit and northbound entrance
11.2411Redondo Beach Boulevard
11.8912Rosecrans Avenue
12.9013El Segundo Boulevard
13.8214A I-105 (Glenn Anderson Freeway)  – Norwalk, LAX AirportSigned as exits 14A (east) and 14B (west) northbound; I-105 exit 7B
I-105 eastSouthbound exit and northbound entrance for Express Lanes only
13.9714BImperial Highway
I-105 west  – LAX AirportSouthbound exit and northbound entrance for Express Lanes only
14.9715Century BoulevardNo southbound entrance
15.9816Manchester AvenueFormer SR 42
16.9817Florence Avenue
I-110 Express Lanes / 39th Street – Coliseum / Adams Boulevard / Figueroa StreetLast access point from main northbound I-110 lanes
17.5118AGage Avenue
17.9818BSlauson Avenue
18.5019A51st StreetSouthbound exit and northbound entrance
19.0019BVernon AvenueSigned as exit 19 northbound
19.5020AMartin Luther King Jr. Boulevard – Los Angeles Memorial Coliseum, Exposition Park, Banc of California Stadium
I-110 Express LanesNorth end of Express Lanes; first access point from main southbound I-110 lanes
20.0020B37th Street / Exposition Boulevard
20.7120CAdams Boulevard
21.4421 I-10 (Santa Monica Freeway)  – Santa Monica, San BernardinoModule:Jct warning: "road" parameter is deprecatedNorthern terminus of I-110; southern terminus of SR 110; no northbound exit to Washington Boulevard; I-10 exits 13A-B
22APico Boulevard / Olympic Boulevard – Downtown Los AngelesNorthbound exit is part of exit 21
22.3622B9th Street / 8th Street – Downtown Los AngelesSigned as exit 22 northbound
22.8323A6th Street / Wilshire Boulevard
23.0423B4th Street
23.0423C3rd Street
23.7324A US 101 to I-5 south (Santa Ana Freeway) / I-10 east (San Bernardino Freeway) / SR 60 east (Pomona Freeway)  – Hollywood, Santa Ana, San Bernardino, PomonaFour Level Interchange; northern end of Harbor Freeway; southern end of Arroyo Seco Parkway; US 101 exit 3 northbound, 3B southbound
23.9624BSunset BoulevardSouthbound exit and northbound entrance
24.5524CHill Street – Chinatown, Civic CenterNo southbound entrance; signed as exit 24B northbound; left exit southbound
24.7324DStadium Way – Dodger StadiumSigned as exit 24B northbound
25.0425Solano Avenue / Academy Road
Figueroa Street Tunnels; northbound only
25.4826A I-5 north (Golden State Freeway)  – SacramentoNorthbound left exit and southbound entrance; I-5 exit 137B southbound
25.7826BFigueroa StreetNorthbound left exit and southbound entrance; former SR 159
25.9126AAvenue 26Southbound exit and northbound entrance; former SR 163
26.1226B I-5 (Golden State Freeway)  – Santa AnaSouthbound exit and northbound entrance; I-5 exit 137B northbound, 137A southbound
27.1227Avenue 43
28.0528AAvenue 52
28.3828BVia Marisol
28.7629Avenue 60
29.2830AMarmion Way / Avenue 64Northbound exit and southbound entrance
29.5030York BoulevardSouthbound exit and entrance
30.1030BBridewell StreetNorthbound exit only
South Pasadena30.5931AOrange Grove Avenue
31.1731BFair Oaks Avenue – South PasadenaNo northbound entrance
Pasadena31.91Glenarm StreetAt-grade intersection; northern terminus of SR 110; northern end of Arroyo Seco Parkway[7]
31.91Arroyo ParkwayContinuation beyond Glenarm Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[change | change source]

  1. 1.0 1.1 1.2 California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015.
  2. 2007 Named Freeways, Highways, Structures and Other Appurtenances in California (PDF). Caltrans. p. 71. Archived from the original (PDF) on October 14, 2012. Retrieved March 27, 2007.
  3. Ryan, Colin (April 9, 2010). "America's First Freeway: The Arroyo Seco Parkway, aka, the 110". Truck Trend. El Segundo, California: Extreme Venturs, LLC. Retrieved April 10, 2018.
    "The History of the Arroyo Seco Parkway". Departures. KCET. October 24, 2011. Retrieved April 10, 2010.
    Kevin Break (2015). Bridges of Downtown Los Angeles. Arcadia Publishing. p. 94. ISBN 978-1-4671-3353-1.
    Johnson, Davey G. (June 29, 2006). "America's First Freeway: The 110". Jalopnik. Gizmodo Media. Retrieved April 10, 2018.
    National Park Service's Heritage Education Services. "Arroyo Seco Parkway". Route 66. United States Department of the Interior. Retrieved April 10, 2018.
    Sproul, Suzanne (August 28, 2017). "Arroyo Seco Parkway, California's first freeway, celebrates 75 years". Los Angeles Daily News. Retrieved April 10, 2018. The Arroyo Seco Parkway, once called the Pasadena Freeway (110 Freeway) before the name was changed back in 2010, is considered by many to be the first freeway in the state and in the nation.
    Rick Thomas (2008). The Arroyo Seco. Arcadia Publishing. ISBN 978-0-7385-5608-6.
  4. California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  5. California Department of Transportation, All Traffic Volumes on CSHS Archived July 21, 2011, at the Wayback Machine, 2006
  6. California Department of Transportation, California Numbered Exit Uniform System, I-110, accessed January 2008
  7. 7.0 7.1 "2014 Named Freeways, Highways, Structures and Other Appurtenances in California" (PDF). California Department of Transportation. Retrieved June 20, 2015.