California State Route 140
…Yosemite added in 1916. SR 140 was first signed in 1934; the western extension to Interstate 5 near Gustine was incorporated in 1969. In June 2006, the Ferguson rock slide buried approximately 600 feet (180 m) of SR 140 between Cedar Lodge and the Briceburg Visitor Center, closing the road between El Portal and Mariposa…