A rugged shot from 1934 of Angeles Crest Highway in Southern California.

Construction for Angeles Crest Highway began in 1929. It was originally intended to be a fire access road. The highway officially opened in 1956.

Text Source: http://en.wikipedia.org/wiki/Angeles_Crest_Highway

Image Source: Automobile Club of Southern California & USC Digital Archives: http://digitallibrary.usc.edu/cdm/singleitem/collection/p15799coll59/id/635/rec/70