Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. State Route 39 (SR 39) is a state highway in the U.S. state of California that travels through Orange and Los Angeles counties. Its southern terminus is at Pacific Coast Highway (SR 1), in Huntington Beach, and its northern terminus is at Islip Saddle on Angeles Crest Highway (SR 2) in the Angeles National Forest.This route is part of the California Freeway and Expressway System and is eligible for the State Scenic Highway System. However, it is not a scenic highway as designated by Caltrans.SR 39 closure in the San Gabriel Mountains.Locked gate at northern terminus of Highway 39.State Route 39 runs along Beach Boulevard through most of Orange County. At Beach Boulevard's northerly terminus, Whittier Boulevard, Route 39 turns east to the intersection of Whittier Boulevard with Harbor Boulevard, taking over a former segment of Route 72. Route 72 remains on Whittier Boulevard west of Beach Boulevard.