Automobile travelers on a California road in May 1910.


California's legislature passed the state's first state highway bond. In 1910, voters approved the State Highways Act of 1909. It provided $18 million for construction and acquisition of a state highways system.
A black and white photo of Salmon Falls, El Dorado County, wagon road (ca. 1850s–1930) revealed during lower water in Folsom Lake, December 2014. Lined by rocks, the eastbound road curves toward the Sierra Foothills.


The State Department of Engineering was created. The Department of Highways and Lake Tahoe Wagon Road Commission were placed under the control of the department.