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County Route Shield

Imperial/San Diego
County Sign Route S2

[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 S2Imperial Highway from Route 98 to County Road 2A02 (FAS, 1.42 mi) [Imperial County]

  2. Imperial Highway from County Road 2A02 to the San Diego county line (FAS, 7.40 mi) [Imperial County]

  3. Sweeney Pass Road from the Imperial county line to the Great Southern Overland Stage Route of 1849 (FAS, 9.93 mi) [San Diego County]

  4. Great Southern Overland Stage Route of 1849 from Sweeney Pass Road to Route 78 (FAS, 29.42 mi) [San Diego County]

  5. San Felipe Road from Route 78 to Route 79 (FAS, 16.85 mi) [San Diego County]

History and Signage Information History and Signage Information

This route was defined in 1970. Supposedly, in the 1950s and 1960s, this was called a "Survival Route" out of San Diego.

National Trails National Trails

De Anza Auto Route This route is part of the De Anza National Historic Trail.

Status Status

Total mileage: 65.02 mi.

Acronyms and Explanations:

Back Arrow CR S1 Forward Arrow CR S3

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