Helms Bakery trucks delivered freshly baked goods to neighborhoods across Southern California. This is a fleet of them in the year the service debuted. From the Dick Whittington Photography Collection in the USC Digital Library
The Sepulveda Tunnel is a 2080 foot-long divided tunnel under an LAX Airport runway. The tunnel was built in and is a part of State Highway 1 which is one of the busiest major highways in the City of Los Angeles.