Maintenance Standards

These documents outline policies, procedures, and requirements for the maintenance and operational needs of MBTA infrastructure.

Rapid Transit System

The rapid transit system (or subway system) includes the Red, Orange, Blue, and Green Lines.

Maintenance of Way (Track)

• Blue, Orange, and Red Lines (2008)
• Green Line (2008)

Signals and Communications Maintenance

• C&S 1: Instructions for Testing Signal Apparatus and Signal Systems (2016)
• C&S 2: Special Instructions Governing Construction and Maintenance of Signals and Interlockings (2015)
• SM.1: Instructions for Testing Signal Apparatus and Signal Systems: Light & Heavy Rail Transit (2015)
• SM.2: Special Rules, Standards, and Instructions Governing Construction and Maintenance of Signals and Interlocking (2015)

Power Systems Maintenance

• Blue Line Catenary Guide (2021)
• Green Line Catenary Guide (2021)

Commuter Rail System

Asset Maintenance and Safety Standards

All Commuter Rail assets shall be operated and maintained in accordance with the requirements of the Code of Federal Regulations Title 49, Volume 4, Transportation.

Disclaimer

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Email: engineering@mbta.com