Interstate 380 (California)

I-380 is officially known as the Quentin L. Kopp Freeway, named after the prominent California state senator from San Mateo County.

It then travels east through the city of San Bruno, intersecting with SR 82 (El Camino Real) before reaching US 101.

[4] There were plans to extend I-380 west to SR 1 (Cabrillo Highway), but, due to the route's passing over the San Andreas Fault and opposition from members of the local community, this project was abandoned.

The westbound lanes of I-380 branch off to the right at I-280, leaving a wide, paved space which would carry the freeway extension under I-280 toward SR 1.

[7] Under the official exit list by Caltrans, mileage is measured from the unconstructed western terminus at SR 1 near Pacifica.

Along eastbound on I-380 near the SR 82 exit. Note the very broad freeway median.
Aerial view of I-380, facing west. US 101 ( Bayshore Freeway ) runs north/south along the bottom of the photograph, while I-280 runs parallel in the background, with I-380 connecting the two.