What is 170 fwy?

The 170 freeway is a major north-south freeway in the Los Angeles metropolitan area, connecting the Golden State Freeway (I-5) and the Hollywood Freeway (US 101). The freeway is approximately 13.1 miles long and runs through the San Fernando Valley. It is also known as the Hollywood Freeway Extension or the Roybal-Allard Legacy 170 Freeway. The freeway was constructed in several phases, with the first segment opening in 1952. The 170 freeway also intersects with other major freeways in the area, including the Ventura Freeway (SR 134) and the San Bernardino Freeway (I-10).