Highway 4, Coming Up
California 4 is the freeway that leads to the exurban areas of Pittsburg and Antioch. The photograph of this sign for southbound Interstate 680 traffic was taken in July 2009.
California 4 is the freeway that leads to the exurban areas of Pittsburg and Antioch. The photograph of this sign for southbound Interstate 680 traffic was taken in July 2009.