Route 80 is from:
(a) Route 101 near Division Street in San Francisco to Route 280 near First Street in San Francisco.
(b) Route 280 near First Street in San Francisco to the Nevada state line near Verdi, Nevada, passing near Oakland, via Albany, via Sacramento, passing near Roseville, via Auburn, via Emigrant Gap, via Truckee and via the Truckee River Canyon.