Transit Updates

Service Alerts

MBTA Services are constantly updated through our operations center. Please check here regularly for up-to-the-minute updates on every transit service as well as elevators and escalators.

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503Alerts

Bus Service AlertsBus Service Alerts

503: Upcoming

Apr 21: Route 503 service is suspended for the entire day due to the Boston Marathon.


Start of day Mon 4/21/14 until end of day Mon 4/21/14

Last Updated: 4/9/2014 6:01:30 PM

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KEY
Delay

Delay

Cancelled Trip

Cancelled Trip

Detour

Detour

Snow Route

Snow Route

Shuttle Bus

Shuttle Bus

Station/Stop Closure

Station/Stop Closure

No Service

No Service

Extra Service

Extra Service

Schedule Change

Schedule Change

Accessibility

Accessibility

Other

Other

Severe Alert

Severe Alert