Today, it serves as the main connector between the extreme southwestern corner of the San Joaquin Valley and Bakersfield.

Leaving the city, the road continues north through the oil producing foothills of the western San Joaquin Valley.

1, infamous as one of the two illicit leases – the other being Teapot Dome – that were part of the scandal which marred the administration of President Warren G. Harding in the 1920s.

[4] Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage.

[1] Segments that remain unconstructed or have been relinquished to local control may be omitted.