This is a list of

bus A bus (contracted from omnibus, with variants multibus, motorbus, autobus, etc.) is a motor vehicle that carries significantly more passengers than an average car or van, but fewer than the average rail transport. It is most commonly used ...

routes operated by the

San Mateo County Transit District SamTrans (stylized as samTrans; officially the San Mateo County Transit District) is a public transport agency in and around San Mateo, California, in the San Francisco Bay Area. It provides bus service throughout San Mateo County, California, S ...

(SamTrans) primarily in

San Mateo County San Mateo County ( ), officially the County of San Mateo, is a county (United States), county located in the U.S. state of California. As of the 2020 United States census, the population was 764,442. Redwood City, California, Redwood City is th ...

of the

San Francisco Bay Area The San Francisco Bay Area, commonly known as the Bay Area, is a List of regions of California, region of California surrounding and including San Francisco Bay, and anchored by the cities of Oakland, San Francisco, and San Jose, California, S ...

, in the state of

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

. Notes: * †: San Francisco stops restriction applies ** ''Northbound (from San Mateo County):'' SamTrans cannot pick up northbound passengers at San Francisco stops ** ''Southbound (to San Mateo County):'' Passengers boarding in San Francisco may not disembark in San Francisco * NB – northbound, SB – southbound * Sunday service is run during most holidays.

Route numbering scheme

;Notes

Express routes

SamTrans discontinued its last remaining express route, KX, by merging it into route 398 on August 5, 2018. Since then, the SamTrans board adopted the Express Bus Feasibility Study on December 5, 2018. The agency recommended launching six new express routes, starting with two pilot routes scheduled to begin in summer 2019. One route began service on schedule, but the other began service five years late. The first route, FCX, travels between

San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...

and Foster City along US 101. Route EPX provides service between San Bruno and East Palo Alto. An early-morning weekday express route with limited trips, separate from the pilot program, was introduced on February 11, 2019. Route 713 provided replacement service for BART between 4:00 am and 5:00 am while seismic retrofit work was performed in the

Transbay Tube The Transbay Tube is an underwater rail tunnel that carries Bay Area Rapid Transit's four transbay lines under San Francisco Bay between the cities of San Francisco and Oakland, California, Oakland in California. The tube is long, and attaches ...

. It currently runs between the Salesforce Transit Center and Millbrae Intermodal station via SFO Intl. Airport. This route was made a permanent addition. The first new express route, designated FCX, started service on August 19, 2019. FCX operates two trips in each direction with headways of approximately 30 minutes during peak weekday commute hours, using recent buses that feature onboard

Wi-Fi Wi-Fi () is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for Wireless LAN, local area networking of devices and Internet access, allowing nearby digital devices to exchange data by ...

. The next two express routes began in 2024, one serving between San Francisco/San Bruno and East Palo Alto (EPX). The other, PCX, serves Pacifica while serving stops at bus pads along the CA-1 freeway.

Local bus lines that serve North County

These bus lines are SamTrans lines that serve the northern and coastal parts of San Mateo County. These lines are identified with a "1" in the first digit of the three digit line number and designated as serving

BART Bay Area Rapid Transit (BART) is a rapid transit system serving the San Francisco Bay Area in California. BART serves List of Bay Area Rapid Transit stations, 50 stations along six routes and of track, including eBART, a spur line running t ...

Local bus lines that serve South County

These bus lines are SamTrans lines that the central and southern portions of San Mateo County. These lines are identified with a "2" in the first digit of the three digit line number and designated as serving

Caltrain Caltrain (reporting mark JPBX) is a commuter rail line in California, serving the San Francisco Peninsula and Santa Clara Valley (Silicon Valley). The southern terminus is in San Jose, California, San Jose at the Tamien station with weekday r ...

Local bus routes with multi-city connections

These SamTrans bus routes serve multiple areas in San Mateo County. These routes were at one time identified with a "3" in the first digit of the three-digit route number and designated as serving both BART and Caltrain, although the 397 is the only remaining route with the number "3" in the first digit. Route 292 is an exception.

School-oriented local bus lines

These bus lines are community bus service that mainly serve schools. They have a limited number of runs, typically one in the morning and one in the afternoon. This may vary per route.

Former bus lines

References

External links

List of SamTrans Routes and Schedules
{{Webarchive, url=https://web.archive.org/web/20021217014812/http://www.samtrans.com/schedules.html , date=2002-12-17 SamTrans