Dumbarton Express
2 bus routes in San Mateo. Browse routes and schedules and plan trips on Dumbarton Express in the CityTransit app.
- Routes
- 2
- Stops
- 74
- Modes
- Bus
Dumbarton Express at a glance
- Serves
- San Mateo, California
- Modes
- Bus
- Service hours
- 6:00 AM to 7:41 PM
- Time zone
- America/Los_Angeles
- Schedule valid through
- Jan 9, 2027
- Data last updated
- Oct 8, 2026
- Official website
- dumbartonexpress.com
Busiest Dumbarton Express routes
- DB Dumbarton Exp. - Palo Alto
- DB1 Dumbarton Exp. - Research Park
About Dumbarton Express
Dumbarton Express is a public transportation provider that serves the San Mateo area. Dumbarton Express operates the following transit modes across the San Mateo area: Bus. In total, Dumbarton Express operates 2 routes and serves 74 stops or stations in the San Mateo area. Line schedules (timetables, itineraries, service hours) and departure and arrival times are updated in the app in real time.
Dumbarton Express routes
No routes match your search.
Dumbarton Express Bus · 2 routes
Dumbarton Express: frequently asked questions
How many routes does Dumbarton Express operate?
Dumbarton Express operates 2 bus routes and serves 74 stops or stations in San Mateo.
What are the Dumbarton Express service hours?
Most Dumbarton Express service runs from about 6:00 AM to 7:41 PM. Hours differ by route and day, so open a route in the app for exact times.
What are the busiest Dumbarton Express routes?
By scheduled trips, the busiest Dumbarton Express routes are DB Dumbarton Exp. - Palo Alto, DB1 Dumbarton Exp. - Research Park.
How do I contact Dumbarton Express?
Website: https://dumbartonexpress.com.
How do I see Dumbarton Express schedules and next departures?
Download the free CityTransit app for iPhone or Android, choose San Mateo, then pick Dumbarton Express to browse routes and timetables.
Dumbarton Express service updates
Check the CityTransit app for Dumbarton Express schedule changes, route changes, stop changes and other service updates.
Dumbarton Express fares
Prices of different ticket types may change. Check the CityTransit app for fares on individual lines, and visit Dumbarton Express's official site for ride fares and tickets.
Dumbarton Express schedules
Looking for a specific Dumbarton Express bus schedule? All Dumbarton Express lines and schedules in San Mateo are in the CityTransit app, with step-by-step navigation.
Dumbarton Express contact
- Website: https://dumbartonexpress.com
Schedule data: data provided by 511.org
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