2020s | 2010s | 2000s | 1990s | 1980s | 1970s | 1960s | 1950s | 1940s | 1930s | 1920s | 1910s | 1900s | 1890s
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.
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.