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.
U.S. Route 80 in California (1928-1964)
![](http://up.wiki.x.io/wikipedia/commons/thumb/d/dd/California_80.svg/130px-California_80.svg.png)
Three highways in the U.S. state of California have been signed as Route 80: