Interstate 110 and State Route 110 (California)
|Defined by Streets and Highways Code § 410|
|Maintained by Caltrans|
|Length:||31.82 mi (51.21 km)|
|History:||Highway in 1930s, number in 1964 (SR 11), 1978-1981 as an interstate |
| I-110 from San Pedro to Los Angeles
SR 110 from Los Angeles to Pasadena
|South end:||SR 47 / Gaffey Street in San Pedro|
| I-405 in Carson
SR 91 in Los Angeles
I-105 in Los Angeles
I-10 in Los Angeles
US 101 in Los Angeles
I-5 in Los Angeles
|North end:||Glenarm Street in Pasadena|
Route 110, consisting of State Route 110 (SR 110) and Interstate 110 (I-110), locally referred to as the one ten, is a state highway in the Los Angeles area of the U.S. state of California, built to freeway standards. The entire length of I-110 (which ends at I-10), as well as SR 110 south of the Four Level Interchange with US 101, is the Harbor Freeway, and SR 110 north from US 101 to Pasadena is the historic Arroyo Seco Parkway, the first freeway in the western United States. The entire Route 110 connects San Pedro and the Port of Los Angeles with Downtown Los Angeles and Pasadena. I-110 is one of two 3-digit interstate designations to appear on opposite coasts, with I-280 in California and New Jersey being the other.
The Harbor Freeway, signed as Interstate 110, begins at Gaffey Street in San Pedro, where it then travels mostly due north to the Santa Monica Freeway (Interstate 10) at a point south of downtown Los Angeles, where it becomes signed as State Route 110. I-110 is primarily within the city limits of Los Angeles, running right through South Central Los Angeles and the Harbor Gateway, a two-mile (3 km) wide north–south corridor that was annexed by the city of Los Angeles specifically to connect San Pedro, Wilmington and the Port of Los Angeles with the rest the city.
In addition, the Harbor Transitway, a grade-separated bus and high-occupancy vehicle corridor in the median of the 110, runs between State Route 91 (Gardena Freeway) and the south side of Downtown Los Angeles.
The Harbor Freeway, along with the Long Beach Freeway (Interstate 710), are the principal means for freight from the port of Los Angeles to rail yards and warehouses further inland. Its interchange with the Santa Monica Freeway is notoriously busy and congested, and the portions bordering Bunker Hill in northwest Downtown Los Angeles are choked with traffic at peak travel times.
Notable landmarks and attractions near the Harbor Freeway include the California State University, Dominguez Hills; Watts Towers; Exposition Park (including the Los Angeles Memorial Coliseum); the University of Southern California; Staples Center; Los Angeles Harbor College; the skyline of Downtown Los Angeles; and the Los Angeles Convention Center.
The Harbor Freeway is noted for its elaborate high-occupancy toll lane feature, with the HOT lanes elevated above the rest of traffic in many areas, constructed in 1994 by C.C. Myers, Inc. as HOV lanes and converted to HOT lanes in 2012. Of particular note is the Judge Harry Pregerson Interchange, which contains the most elaborate network of direct HOV/HOT connectors in Los Angeles County. It includes a 7-story ramp that connects the Century Freeway's HOV lanes to the Harbor Freeway's northbound HOT lanes and offers splendid views of the entire Los Angeles Basin and the San Gabriel Mountains.The interchange with State Route 91 (formally known as the Edmund J. Russ Interchange) is also fairly large.
In the 1924 Major Street Traffic Plan for Los Angeles, a widening of Figueroa Street to San Pedro as a good road to the Port of Los Angeles was proposed. Progress was slow, and in 1933 the state legislature added the entire length to the state highway system as Route 165, an unsigned designation. This route not only extended from San Pedro north to Los Angeles, but continued through the city-built Figueroa Street Tunnels and along the northern extension of Figueroa Street to Eagle Rock, and then followed Linda Vista Avenue (via an overlap on Route 161 (SR 134) over the Colorado Street Bridge) to Route 9 (now I-210) at the Devil's Gate Reservoir. The entire length of Route 165 became Sign Route 11 in 1934. U.S. Route 6 was also assigned to the portion between SR 1 and Avenue 26 in 1937, and at about the same time US 66 was moved from Eagle Rock Boulevard to Figueroa Street, overlapping SR 11 between Sunset Boulevard (US 101) and Colorado Street (SR 134).
The state completed the Arroyo Seco Parkway which had been added to the state highway system in 1935 as Route 205, in early 1941, providing a faster route between SR 11 at Avenue 26 and Pasadena. US 66 was moved to the new route, while SR 11 remained on Figueroa Street and Linda Vista Avenue, the former also becoming a new U.S. Route 66 Alternate. Construction of a freeway to San Pedro was much slower, despite having been in the earliest plans for an integrated system. Initially, the Harbor Parkway was to split at the merge with the Venice Parkway northeast of the University of Southern California, with the East By-Pass and West By-Pass straddling the Los Angeles Central Business District and rejoining at the split between the Arroyo Seco Parkway and Riverside Parkway south of Dodger Stadium. The West By-Pass was soon incorporated into the Harbor Parkway, and the first short piece, by then renamed the Harbor Freeway, opened on July 30, 1952 from the Four Level Interchange south to 3rd Street. (The Arroyo Seco Parkway was completed to the Four Level Interchange on September 22, 1953, and renamed the Pasadena Freeway on November 16, 1954.)
The Harbor Freeway gradually pushed south, opening to Olympic Boulevard on March 23, 1954 and Washington Boulevard on May 14, 1954. On March 27, 1956, the highway was extended to 42nd Street, and on April 24, 1957 it reached temporary ramps at 88th Place. Further extensions were made to Century Boulevard on July 31, 1958, 124th Street on September 24, 1958, Alondra Boulevard (which the county widened to carry the load) on May 2, 1960, 190th Street on July 15, 1960, Torrance Boulevard on August 28, 1962, and finally Pacific Coast Highway (SR 1) on September 26, 1962. There it connected with a section that had been open since June 19, 1956, from Pacific Coast Highway south to Channel Street. Along with the Vincent Thomas Bridge to Terminal Island, the final piece in San Pedro opened on July 9, 1970, completing the Harbor Freeway to its present length.
In December 1978, the Harbor Freeway was approved as an Interstate Highway by the FHWA. In 1981, the SR 11 designation was renumbered as Interstate 110 on the Harbor Freeway, and State Route 110 on the Pasadena Freeway.
Richard Ankrom signage
In 2001, Richard Ankrom, a local artist who got lost trying to get onto Interstate 5 North from northbound I-110 because there was no clear official signage labeling access to I-5 North, solved his frustration by covertly modifying one of the overhead signs on the freeway just before the Four Level Interchange ( ). Using official government sign specifications, Ankrom fabricated two sign pieces, one being an Interstate 5 marker shield and the other with the word "NORTH", and affixed them to the left side of the sign. He performed his modifications in broad daylight, disguised as a Caltrans worker. In that district, Caltrans has three sign crews, each thinking one of the other two crews did the installation. After nine months, at Ankrom's request, the Los Angeles Downtown News broke the story.
Prior to Ankrom's work, the only signage directing motorists to the 5 North off-ramp came at a quarter-mile before the exit, thus forcing many to merge across multiple lanes in a very short distance. The signs were inspected by Caltrans to ensure they would not fall off onto the road below. Ankrom was never charged, despite statements from officials that his actions were illegal. Ankrom referred to his sign project as "Guerilla Public Service".
Caltrans later added an additional "5 North" sign over the left northbound lane at the entrance to the Figueroa Street Tunnels, as well as new electric signage, which will note when an additional lane is available for those wishing to transition to northbound Interstate 5 (converting the current single lane transition to dual lanes)
In 2009, Caltrans replaced all signage along this segment with newer, more reflective versions. These new signs include Ankrom's original improvements.
|This section requires expansion with: Projects funded by SAFETEA-LU and others. (February 2009)|
Despite the increased traffic in Los Angeles, including trucks shipping products from the Port of Los Angeles in San Pedro to Pasadena, there are currently no plans to upgrade the rest of 110 from I-10 to Pasadena to Interstate standards. Instead, the recent push has been to restore and preserve the Pasadena Freeway as a historic landmark. The state legislature designated the original section, north of the Figueroa Street Viaduct, as a "California Historic Parkway" (part of the State Scenic Highway System reserved for freeways built before 1945) in 1993; the only other highway so designated is the Cabrillo Freeway (SR 163) in San Diego. The American Society of Civil Engineers named it a National Civil Engineering Landmark in 1999, and it became a National Scenic Byway in 2002.
Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see the list of postmile definitions). Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in Los Angeles County.
|San Pedro||R0.93||Gaffey Street – San Pedro||South end of I-110/Harbor Freeway|
|R0.93||1A||SR 47 (Vincent Thomas Bridge) – Terminal Island, Long Beach||SR 47 exit 1B|
|R1.23||1B||Channel Street, Pacific Avenue||No southbound entrance|
|Wilmington||2.77||3A||Harry Bridges Blvd|
|4.06||4||SR 1 (Pacific Coast Highway)|
|6.52||7A||223rd Street||Northbound exit is via exit 7|
|7.02||7B||Carson Street||Signed as exit 7 northbound|
|Carson–Los Angeles line||8.78–
|—||I-405 (San Diego Freeway) / 190th Street – Santa Monica, Long Beach||190th St. not signed northbound; I-405 is former SR 7; I-405 north exit 37, south exit 37A|
|Los Angeles||9.87||—||SR 91 (Gardena Freeway)||Signed as exits 10A (east) and 10B (west) northbound; SR 91 exit 6|
|—||I-110 Express Lanes – Harbor Gateway Transit Center||Southbound exit and northbound entrance|
|11.24||11||Redondo Beach Boulevard|
|12.90||13||El Segundo Boulevard|
|13.82||14A||I-105 (Glenn Anderson Freeway) – Norwalk, LAX Airport||Signed as exits 14A (east) and 14B (west) northbound; I-105 exit 7B|
|—||I-105 east||Southbound exit and northbound entrance for Express Lanes only|
|—||I-105 west – LAX Airport||Southbound exit and northbound entrance for Express Lanes only|
|14.97||15||Century Boulevard||No southbound entrance|
|15.98||16||Manchester Avenue||Former SR 42|
|I-110 Express Lanes / 39th Street – Coliseum / Adams Boulevard / Figueroa Street||Last access point from main northbound I-110 lanes|
|18.50||19A||51st Street||Southbound exit and northbound entrance|
|19.00||19B||Vernon Avenue||Signed as exit 19 northbound|
|19.50||20A||Martin Luther King Jr. Boulevard – Exposition Park, Los Angeles Memorial Coliseum|
|I-110 Express Lanes||North end of Express Lanes; first access point from main southbound I-110 lanes|
|20.00||20B||37th Street / Exposition Boulevard|
|21.44||21||I-10 (Santa Monica Freeway) / Washington Boulevard – Santa Monica, San Bernardino||North end of I-110; south end of SR 110; no northbound exit to Washington Blvd; I-10 exits 13A-B|
|22A||Pico Boulevard, Olympic Boulevard – Downtown Los Angeles||Northbound exit is part of exit 21|
|22.36||22B||9th Street, 8th Street – Downtown Los Angeles||Signed as exit 22 northbound|
|22.83||23A||6th Street, Wilshire Boulevard|
|23.73||24A||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, Pomona||Four Level Interchange; north end of Harbor Freeway; south end of Arroyo Seco Parkway; US 101 north exit 3, south exit 3B|
|23.96||24B||Sunset Boulevard||Southbound exit and northbound entrance|
|24.55||24C||Hill Street – Chinatown, Civic Center||No southbound entrance; signed as exit 24B northbound; left exit southbound|
|24.73||24D||Stadium Way – Dodger Stadium||Signed as exit 24B northbound|
|25.04||25||Solano Avenue, Academy Road|
|Figueroa Street Tunnels
|25.48||26A||I-5 north (Golden State Freeway) – Sacramento||Northbound left exit and southbound entrance; I-5 south exit 137B|
|25.78||26B||Figueroa Street||Northbound left exit and southbound entrance; former SR 159|
|25.91||26A||Avenue 26||Southbound exit and northbound entrance; former SR 163|
|26.12||26B||I-5 (Golden State Freeway) – Santa Ana, Sacramento||Southbound exit and northbound entrance; I-5 north exit 137B, south exit 137A|
|29.28||30A||Marmion Way, Avenue 64||Northbound exit and southbound entrance|
|29.50||30||York Boulevard||Southbound exit and entrance|
|30.10||30B||Bridewell Street||Northbound exit only|
|South Pasadena||30.59||31A||Orange Grove Avenue|
|31.17||31B||Fair Oaks Avenue – South Pasadena||No northbound entrance|
|Pasadena||31.91||Glenarm Street||At-grade intersection; north end of SR 110/Arroyo Seco Parkway|
|31.91||Arroyo Parkway||Continuation beyond Glenarm Street|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
- "California Highways: Interstate 110". Cahighways.org. Retrieved 2013-01-26.
- 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.
- 2007 Named Freeways, Highways, Structures and Other Appurtenances in California (PDF). Caltrans. p. 71. Retrieved 2007-03-27.
- "CA Codes (shc:250-257)". Leginfo.ca.gov. Retrieved 2013-01-26.
- Los Angeles Times, City Moves in Figueroa Plan, September 29, 1926, p. 13
- Los Angeles Times, Haste Asked on Figueroa, March 2, 1936, p. A8
- California State Assembly. "An act to amend sections 2, 3 and 5 and to add two sections to be numbered 6 and 7 to an act entitled 'An act to provide for the acquisition of rights of way for and the construction, maintenance...". Fiftieth Session of the Legislature. Statutes of California. State of California. Ch. 767 p. 2040.: "San Pedro to State Highway Route 9 near La Canada via Figueroa Street."
- California State Assembly. "An act to establish a Streets and Highways Code, thereby consolidating and revising the law relating to public ways and all appurtenances thereto, and to repeal certain acts and parts of acts specified herein". Fifty-first Session of the Legislature. Statutes of California. State of California. Ch. 29 p. 285.: "Route 165 is from San Pedro to Route 9 near La Canada via Figueroa Street."
- California State Assembly. "An act...relating to State highways". Fifty-first Session of the Legislature. Statutes of California. State of California. Ch. 274 p. 959, 285.: "Route 165 is from San Pedro to Route 9 near La Canada via Figueroa Street and Linda Vista Avenue."
- California Highways and Public Works, State Routes will be Numbered and Marked with Distinctive Bear Signs, August 1934
- Richard F. Weingroff, U.S. 6: The Grand Army of the Republic Highway
- H.M. Gousha Company, Los Angeles and Vicinity, 1935
- H.M. Gousha Company, Los Angeles and Vicinity, 1939
- Historic American Engineering Record (J. Philip Gruen and Portia Lee), Arroyo Seco Parkway (HAER No. CA-265) written historical and descriptive data, August 1999, pp. 34, 57, 65, 67 Archived October 31, 2007, at the Wayback Machine.
- Correspondence between the Division of Highways and American Association of State Highway Officials, transcribed at California Highways: State Route 66
- Automobile Club of Southern California, map from Traffic Survey, Los Angeles Metropolitan Area, 1937, reproduced in Janet L. Abu-Lughod, New York, Chicago, Los Angeles: America's Global Cities, 1999, p. 256
- Transportation Engineering Board, map from A Transit Program for the Los Angeles Metropolitan Region, 1939, reproduced in Gerrylynn K. Roberts, Philip Steadman, American Cities and Technology: Wilderness to Wired City, 1999, p. 79
- Andrew Hamilton, New York Times, Los Angeles Roads Plan, February 25, 1940, p. 128
- Los Angeles County Regional Planning District, Master Plan of Metropolitan Los Angeles Freeways, adopted August 6, 1947
- Los Angeles Times, Official Ceremonies Open First Harbor Freeway Link, July 31, 1952, p. A1
- Los Angeles Times, New Harbor Freeway Link to Open Today, March 23, 1954
- Los Angeles Times, New Harbor Freeway Section to Open Today, May 14, 1954
- Los Angeles Times, Brief Ceremonies Open Harbor Freeway Section, March 28, 1956, p. 2
- Van Nuys News, Harbor Freeway Section Opened, August 5, 1958
- Los Angeles Times, Ribbon Cut for New Four-Mile Extension to Harbor Freeway, April 25, 1957
- Los Angeles Times, New Harbor Freeway Link Due Thursday, July 28, 1958, p. 5
- Los Angeles Times, Harbor Freeway Sector Opens With Ceremony, September 25, 1958, p. B1
- Los Angeles Times, Alondra Blvd. Readied for Freeway Exit Load, May 1, 1960, p. CS1
- Los Angeles Times, Two-Mile Harbor Freeway Section Will Open Today, July 15, 1960
- Los Angeles Times, Harbor Freeway Link to Be Opened Today, August 28, 1962, p. A1
- Los Angeles Times, Final Harbor Freeway Link to Be Opened, September 24, 1962, p. 25
- Van Nuys News, Harbor Freeway Two-Mile Sector Will Open Today, June 19, 1956
- Lee Bastajian, Los Angeles Times, Vincent Thomas Bridge Link Scheduled to Open in July, May 31, 1970, p. CS1
- Long Beach Independent, Dedication Set on Freeway Link to Bridge, July 8, 1970
- Valley News (Van Nuys), Harbor Freeway Extension to Be Dedicated Today, July 9, 1970
- "California Highways (www.cahighways.org): Routes 105 through 112". www.cahighways.org. Retrieved 2013-01-26.
- RICHARD ANKROM’s Freeway Art: Caltrans Buys Into the Prank LA Weekly Dec. 30, 2009. Accessed 6-28-13
- "freeway signs". Ankrom.org. Retrieved 2013-01-26.
- California State Assembly. "An act to add Sections 280, 281, 282, and 283 to the Streets and Highways Code, relating to highways". 1993–1994 Session of the Legislature. Statutes of California. State of California. Ch. 179.
- HAER, p. 4
- U.S. Department of Transportation, U.S. Transportation Secretary Mineta Names 36 New National Scenic Byways, All-American Roads, June 13, 2002
- California Department of Transportation, Log of Bridges on State Highways, July 2007
- California Department of Transportation, All Traffic Volumes on CSHS, 2006
- California Department of Transportation, California Numbered Exit Uniform System, I-110 Northbound and I-110 Southbound, accessed January 2008
- "2014 Named Freeways, Highways, Structures and Other Appurtenances in California" (PDF). California Department of Transportation. Retrieved June 20, 2015.
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