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County Route Shield

County Sign Route E21

[Click here for a key to the symbols used. Some county routes were constructed with federal funds. These routes are indicated as FAP (Federal Aid Primary), FAU (Federal Aid Urban), or FAS (Federal Aid Secondary). If no funding source is shown, no federal funds were used. Note that while some segments seem to have the same attributes, they may differ in the county-local road number assigned to the segment, or in the Caltrans Map Sheet number.]

Routing Routing

  1. Cty Rte E21Marysville Road from Route 20 near Browns Valley to Willow Glen Road (County Sign Route E20) (FAS, 11.32 mi) [Yuba County]

  2. Willow Glen Road (County Sign Route E20) to La Porte Road (FAS, 7.79 mi) [Yuba County]

  3. La Porte Road from Willow Glen Road to the Butte county line (FAS, 8.35 mi) [Yuba County]

  4. La Porte Road in Butte County (FAS, 2.50 mi) [Butte County, maintained by Yuba County]

  5. La Porte Road/Quincy La Porte Road from the Butte county line to the Plumas county line (FAS, 6.79 mi) [Yuba County]

  6. Quincy La Porte Road from the Yuba county line to Warren Hill Road (FAS, 9.70 mi)

History and Signage Information History and Signage Information

This route was defined in 1977.

Status Status

Total mileage: 46.45 mi.

Acronyms and Explanations:

Back Arrow CR E20 Forward Arrow CR G1

© 1996-2020 Daniel P. Faigin.
Maintained by: Daniel P. Faigin <>.