Sonoma-Marin Area Rail Transit District#
Operator Overview#
Sonoma-Marin Area Rail Transit District is headquartered in Petaluma in the Urbanized Area of Santa Rosa, CA.
This operator provides 2,596 square miles of public transit service, which has a service population of 746,093.
This organization is a Full Reporter.
Data Source: National Transit Database Annual Agency Information.
Route Typologies#
The following data presents an overview of GTFS characteristics using data from the most recent date of April 2025.
Sonoma-Marin Area Rail Transit District runs 1 unique routes. Below is the breakdown of the routes and routes can belong to one or more categories.
Route categories are determined using a approach that looks at GTFS trips data alongside National Association of City Transportation Officials (NACTO)’s Transit Route Types and Frequency and Volume guides. Please see the methodology docs for more details on this approach.
Service Area#
Sonoma-Marin Area Rail Transit District provides 44 miles of public transit in Marin County, Sonoma County counties. Sonoma-Marin Area Rail Transit District stops at 26 unique stops, totaling to 546 arrivals.