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Commuter Rail On-Time Performance Reports

From January 2015 through October 2015, OPM&I provided commuter rail on-time performance reports. (Note: these reports were suspended when the MBTA's Fiscal and Management Control Board began reporting these data in September 2015.) These reports cover the 5-day average on-time performance between Monday and Friday on each line in the commuter rail system. The reports compare AM Peak; PM Peak; and Off-Peak average on-time performance as well as current month-to-date and previous month’s on-time performance statistics.

How it is Measured: On-time performance is measured by the difference between the scheduled arrival time, and the actual arrival time. Commuter rail trips are considered on time if they arrive at their terminal point no more than 4:59 minutes beyond their scheduled arrival.

Car Count Reports

From January 2015 through October 2015, OPM&I provided weekly updates of the MBTA subway, bus, and commuter rail car count reports. (Note: these reports were suspended when the MBTA’s Fiscal and Management Control Board began reporting performance data in September 2015.)The reports provide a weekly and monthly average for the number of "cars" (e.g. subway cars, buses, locomotives, and commuter rail coaches) available for use each day. The number of cars available is compared to the number needed to operate the planned service level.

How it is measured: The reports provide the number of targeted cars (i.e. the number needed to maintain the schedule), the actual number that were available that day, and the percentage of needed cars that are available. The MBTA reports these data for each weekday, except during snow emergencies.

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