Major Intersections
Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, and do not necessarily reflect current mileage. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.
| County | Location | Postmile |
Exit |
Destinations | Notes |
|---|---|---|---|---|---|
| Sonoma |
Sebastopol | 9.12 | Bodega Avenue – Bodega Bay | Continuation beyond SR 116 | |
| 9.12 | SR 116 (Petaluma Avenue, Main Street) – San Francisco, Jenner | ||||
| Santa Rosa | R12.94 | Fulton Road, Wright Road | |||
| West end of freeway | |||||
| R14.45 | 5 | Stony Point Road | |||
| R15.30 | 6 | Dutton Avenue | |||
| R16.04 | 7A | US 101 – San Francisco, Eureka | Signed as exits 7A (south) and 7B (north) westbound | ||
| R16.63 | 7B | South E Street – Downtown Santa Rosa | Signed as exit 7C westbound | ||
| East end of freeway | |||||
| T17.53 | Farmers Lane | ||||
| 20.10 | Calistoga Road – Calistoga | ||||
| Kenwood | 27.03 | Warm Springs Road, Helmick Road – Kenwood | |||
| 30.07 | Trinity Road – Oakville | ||||
| 30.65 | Arnold Drive – Glen Ellen | ||||
| 32.86 | Madrone Road – Eldridge | ||||
| Agua Caliente | 34.25 | Agua Caliente Road | |||
| Sonoma | 38.06 | MacArthur Street | |||
| 38.69 | Napa Road, Leveroni Road – Sonoma | ||||
| Schellville | 41.36 Read more about this topic: California State Route 12 Famous quotes containing the word major:“He could jazz up the map-reading class by having a full-size color photograph of Betty Grable in a bathing suit, with a co- ordinate grid system laid over it. The instructor could point to different parts of her and say, “Give me the co-ordinates.”... The Major could see every unit in the Army using his idea.... Hot dog!” | ||||