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Safe Rides Across the Rim.

It’s always a Great Time to Ride Mountain Transit. Operates Year-Round.

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New Mobile App Available Now

We have launched a new live tracking system and mobile app!

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About Mountain Transit

Mountain Transit provides Fixed Route, Off-the-Mountain (OTM), and Dial-a-Ride service throughout the rural San Bernardino Mountain communities of the Big Bear Valley, Crestline, Lake Arrowhead, and Running Springs.

Mountain Transit services are managed by Mountain Area Regional Transit Authority, a rural transit agency that was formed December of 1993 under a joint powers authority between the City of Big Bear Lake and San Bernardino County.



Hwy 330 Road Closure Caltrans Project: Updated 6/9/2024

  Effective Date: 05/19/2024 - 06/30/2024

  Affected Route(s):


  Hwy 330 Road Closure Caltrans Project: Updated 6/9/2024

  Effective Date: 05/19/2024

  Affected Route(s):

Updated: Beginning Monday May 20, 2024 through June 19, 2024 * 7:00AM – 5:00PM

Due to Caltrans State Route 330 Pavement Rehab on Hwy 330 from Highland to Hwy 18 @ Running Springs will be a full road closure. Mountain Transit Big Bear Route 5 Off The Mountain will re-route to Highland & San Bernardino via Hwy18/Mt Waterman. Expect delays.

Check our website and Facebook for updates to service. Use the new Mountain Transit app to see your bus approaching the bus stops in real time.


San Bernardino National Forest Route Map

News and Events

Check here for the latest in Mountain Transit News and Events.
Updates on Routes, Community Events, Job Opportunities, and Emergency Alerts.


Public Hearing — June 20, 2024 at 10:00 AM

Mountain Transit will hold a Public Hearing on June 20, 2024 at 10:00 AM in-person and online.
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sbcta flyer

Mountain Transit is Hosting the Public Hearing for SBCTA

The San Bernardino County Transportation Authority (SBCTA) seeks to develop comprehensive strategies that cater to the region’s varied mobility needs. The public hearing aims to ...
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Press Release: Enhanced Live Bus Tracking and Mobile App Launch

Announcement of significant upgrade to live bus tracking system and the launch of the Mountain Transit mobile app.
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