California's Route 805621. Route 805 is from Route 5 near San Ysidro to Route 5 north of La Jolla and easterly of existing Route 5.
Entire route.
Entire route. It's called the Jacob Dekema Freeway.
Signed as an Interstate highway.
Route 805 runs perfectly parallel to Route 5. There's virtually no difference between the two... except that Route 805 is a bit more straight- forward. From the International Border in Tijuana, Route 805 is the first highway Route 5 encounters. It comes in immediately after you leave the port of entry. California State Highways (Pull-down) California State Highways (Tables) The Main Page