Gribblenation

After driving the Warren Freeway on California State Route 13 east via CA 24 and Interstate 680 to drive California State Route 242. CA 242 is a 3 mile freeway in Contra Costa County which runs northward from I-680 in Pleasant Hill to CA 4 in Concord .  CA 242 is a former segment of what was once a much larger CA 24 which was routed through the area on Legislative Route Number 75 in 1935 when it was extended to Berkeley from Sacramento. The route of CA 24 from originally used the following alignment prior to the present CA 242 freeway being completed: -  CA 24 was multiplexed with CA 21 north from Walnut Creek to Pleasant Hill.  CA 24/CA 21 entered Pleasant Hill on Contra Consta Boulevard where CA 24 split on Monument Road towards Concord. -  CA 24 entered Concord on Monument Road which becomes Galindo Street entering downtown. -  CA 24 exited downtown via Willow Pass Road which continued to CA 4. The original alignment of CA 24 on the current CA 24...

  California State Route 24 is a 13.5 mile freeway aligned between Interstate 680 at Walnut Creek of Contra Costa County west to Interstate 980/Interstate 580 in Oakland in Alameda County.  CA 24 is one of the original 1934 Signed State highways but also has been the most truncated from it's fullest scale.   California State Route 24 has a unbuilt segment east of Interstate 680 towards California State Route 4 near Antioch.  California State Route 24 ("CA 24") reached it's maximum extent in 1935 when it was extended to the San Francisco Bay Area.  In full scope CA 24 began at US Route 40 ("US 40") in Berkeley and crossed the Sierra Nevada Mountains to what is now US 395 near the Nevada State Line.  What was one of the grandest State Highways in California is now primarily a commuter route for traffic heading into the Bay Area through the Diablo Range.  CA 24 during it's prime can be observed on the 1937 Gousha Highway Map of California .   Gi...