California State Route 242

State Route 242 (SR 242) is a three-mile (5 km) state highway in the U.S. state of California that links Interstate 680 north of Pleasant Hill to State Route 4 in Concord in Contra Costa County. Along with Interstate 580, State Route 24, Interstate 680 and State Route 4, it serves as the most direct route between the San Francisco Bay Area and the Sacramento–San Joaquin River Delta region.

California State Route 242

State Route 242 (SR 242) is a three-mile (5 km) state highway in the U.S. state of California that links Interstate 680 north of Pleasant Hill to State Route 4 in Concord in Contra Costa County. Along with Interstate 580, State Route 24, Interstate 680 and State Route 4, it serves as the most direct route between the San Francisco Bay Area and the Sacramento–San Joaquin River Delta region.