MART has multiple types of fixed route services, performed on buses and vans, which serve the general public.
Devens Regional Shuttle Service
'MART' provides regional shuttle services to the general public from Fitchburg & Leominster to Devens, Shirley and Ayer. The shuttle service has fixed stops in Fitchburg and Leominster, but begins flag-down service once it reaches the Devens area. Service runs on a fixed schedule in the ealy AM and the evening on Monday - Friday. This service has two fare zones - Regional (from Fitchburg/Leominster) and Local (within Shirley, Ayer and Devens).
Learn more at http://www.mrta.us/routes-schedules/devens-regional-shuttle