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X-ed Out County Route Shield

Former County Sign Route R1

[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

Cty Rte R1 before 1970From Route 74 near Mountain Center to Route 10 near Banning.

History and Signage Information History and Signage Information

The date of definition of this route is in the 1964-1966 time period. It appears that in 1970, it was adopted as a state highway, becoming Route 243.

Acronyms and Explanations:

Back Arrow CR N9 Forward Arrow CR R2

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