- Source: California State Route 80
- California
- Nevada State Route 160
- Los Angeles
- Las Vegas Beltway
- San Francisco
- County Santa Clara, California
- U.S. Route 1
- County Alameda, California
- Fontana, California
- Modesto, California
- California State Route 80
- Interstate 80 in California
- Interstate 80 Business (Sacramento, California)
- U.S. Route 80 in California
- California State Route 275
- Arizona State Route 80
- Interstate 80
- California State Route 13
- California State Route 113
- U.S. Route 80
Three highways in the U.S. state of California have been signed as Route 80:
Interstate 80 in California, part of the Interstate Highway System, with the westernmost segment being a state highway.
Interstate 80 Business (Sacramento, California)
U.S. Route 80 in California (1928-1964)