Massachusetts Bay Transportation Authority

public transit operator in the Boston metropolitan area

Rapid transit system in Boston region

The CharlieCard is a contactless smart card used for fare payment for transportation in the Boston area. It is the primary payment method for the Massachusetts Bay Transportation Authority (MBTA) and several regional public transport systems in the U.S. state of Massachusetts. It is used on the MBTA's subway and bus services, but is not currently accepted on the MBTA Commuter Rail and MBTA ferry systems.

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