MBTA headquarters and the CharlieCard rollout

The Massachusetts Bay Transportation Authority (MBTA) is headquartered at 10 Park Plaza in Boston and operates the city's public transit system known locally as 'the T.' In the mid-2000s the MBTA introduced the contactless CharlieCard fare system-first trialed regionally and then rolled out systemwide-to replace many paper and token fares, a change often recalled by longtime riders. The MBTA and its fare technologies are frequent subjects of local conversation about commuting and transit policy.