Metro connects Southeast LA County to Greater Los Angeles via the following commuter and light rail lines: A Line (formerly the "Blue Line"), connecting to downtown Los Angeles C Line (formerly the "Green Line"), connecting to LAX and the Beach Cities West Santa Ana Branch Transit Corridor (planned and funded under Measure M) Freeways Given its high population, Southeast LA is noticeably crisscrossed with regional freeway infrastructure, connecting it to other parts of Greater Los Angeles, Orange County, and the Inland Empire. The following freeways directly service Southeast LA County: Interstate 5 also known as the Santa Ana Freeway Interstate 405 also known as the San Diego Freeway Interstate 605 also known as the San Gabriel Freeway Interstate 105 also known as the Glenn Andersen Freeway Interstate 710 also known as the Long Beach Freeway Interstate 110 also known as the Harbor Freeway California State Route 91 also known as the Artesia Freeway California State Route 60 also known as the Pomona Freeway California State Route 22 also known as the 7th Street Extension California State Route 1 Pacific Coast Highway also known as the Pacific Coast Highway References External links Gateway Cities Council of Governments Los Angeles County, California regions