Gribblenation

This past week I drove the entirety of California State Route 138 from CA 18 in Crestline westward to Interstate 5 near Gorman. The present alignment of CA 138 is 86 miles in length and travels in an east/west configuration.  CA 138 is a notable highway given it closely follows the San Andreas Fault for much of it's alignment.  CA 138 was one of the original run of 1934 Signed State Highways which was aligned on Legislative Route 59 between US 66 in Cajon west to US 99 near Tejon Pass.  Interestingly east of Phelan it the original definition of CA 138 appears to have been intended to be co-signed with CA 2 to US 66 in Cajon Pass. 1934 Department of Public Works document annoucing the Signed State Highways The multiplex of CA 2/CA 138 to Cajon Pass appears to have never been signed in-field.  On the 1938 State Highway Map only CA 2 is seen meeting US 66/395 in Cajon Pass.  CA 138 appears to end at CA 2 near Phelan. 1938 State Highway Map  LRN 59...