Photograph of framed instructions for passing, Southern California, 1926. "Overtaking & Passing, California Vehicle Act Sec's. 122 and 123, 'A' May drive on left side of street only when no other vehicle approaching within 300 feet., NOTE:-, If 'A' in passing 'B' remains on right hand side of street he may pass 'B' even tho 'C' is approaching within less than 300 feet. 'A' must not cut in to closely to 'B', 'B' must keep close to right hand side, At least 2 feet clearance, Must sound horn if outside of business or residence district., Diagram Copyrighted 1923 by the Auto Club of So. California, 32; Automobile Passing Standing Street Car, California Vehicle Act. Sec. 134, Must pass on right. Not closer than 6 feet. At speed not greater than 10 miles per hour., In Los Angeles and some other cities further restrictions are imposed by city ordinance., Street car stopped for passengers., Never pass to the left of a street car you overtake., Diagram Copyrighted 1923 by the Auto Club of So. Cal., 41" -- on instructions.