Route 138 Eastbound

rt138State Route 138 (SR 138) is an east–west state hhway in the U.S. state of California that generally follows the northern foothills of the San Gabriel Mountains and the western MojaveState Route 138 (SR 138) is an east–west state hhway in the U.S. state of California that generally follows the northern foothills of the San Gabriel Mountains and the western Mojave