Along southbound California State Route 170 (the Hollywood Freeway Extension) approaching the Hollywood Freeway/Ventura Freeway interchange a white California State Route 134 Sign State Route Spade can be observed on guide sign. These white spades were specifically used during the 1956-63 era and have become increasingly rare. This blog is intended to serve as a brief history of the Sign State Route Spade. We also ask you as the reader, is this last 1956-63 era Sign State Route Spade or do you know of others? Part 1; the history of the California Sign State Route Spade Prior to the Sign State Route System, the US Route System and the Auto Trails were the only highways in California signed with reassurance markers. The creation of the US Route System by the American Association of State Highway Officials during November 1926 brought a system of standardized reassurance shields to major highways in California. Early efforts to create a Sign State Route ...
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