Interstate 110 and State Route 110 | ||||
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Route information | ||||
Defined by | ||||
Maintained by Caltrans | ||||
Length: | 31.82 mi (51.21 km) | |||
History: | Highway in 1930s, number in 1964 (SR 11), 1978-1981 as an interstate | |||
Component highways: |
I-110 from San Pedro to Los Angeles SR 110 from Los Angeles to Pasadena |
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Major junctions | ||||
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 |
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North end: | Glenarm Street in Pasadena | |||
Highway system | ||||
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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.