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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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