Another relentlessly fantastic account is @FreewaysLA. Always unique, often fun, historical photos of L.A. freeways.
This one is the 405 North at Sunset; notice the mile measurement to Moraga: 3/10 of a mile!
Great great follow @FreewaysLA
c. 1964 - Looking NW on Sunset Blvd on-ramp to San Diego Fwy (I-405); sign mounted on Sunset Blvd OC.
Note distances in tenths of a mile; Chalon Rd now Getty Center Dr (DOH D7 Archives photo).