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[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.]

Quickindex

?1 · ?2 · ?3 · ?4



SONOMA


County Route Shield with Unknown Number

Sonoma
Undetermined County Route ?1



Routing

Bodega Bay Road (proposed Route 12 west of Sebastopol)

 

Status

This information has not been confirmed on a map or from other sources. The actual route number is unknown, the route is unsigned. It was provided by Andy Field.


County Route Shield with Unknown Number

Sonoma
Undetermined County Route ?2



Routing

Mark West Road (east west connection between US 101 and Petrified Forest Road)

 

Status

This information has not been confirmed on a map or from other sources. The actual route number is unknown, the route is unsigned. It was provided by Andy Field.


County Route Shield with Unknown Number

Sonoma
Undetermined County Route ?3



Routing

Petrified Forest Road (also known as Calistoga Road; connects Route 12 just east of Santa Rosa with Route 128 just northwest of Calistoga)

 

Status

This information has not been confirmed on a map or from other sources. The actual route number is unknown, the route is unsigned. It was provided by Andy Field.



Mendocino/Lake


County Route Shield with Unknown Number

Mendocino/Lake
Undetermined County Route ?4



Routing

Eastside Road, Potter Valley Road, Eel River Road, and Elk Mountain Road between Route 20 near the Olson Vineyards and Lake Pillsbury in Lake County.

 

Status

This information has not been confirmed on a map or from other sources. The actual route number is unknown, the route is unsigned. It was provided by Andy Field.



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