Continuing east, it crosses through the only city served by the route, the agricultural community of Arvin.

It continues through agricultural land, before reaching the eastern end of the San Joaquin Valley.

Bear Mountain Boulevard served as part of the Midway Route until 1933, when Bena Road was constructed to provide a more direct connection to Bakersfield.

The Taft Highway portion was signed as US 399, but the Bear Mountain Boulevard section was unsigned.

[8] 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.