Section 3A of Chapter 40A is herby amended by adding the following subsection:

(d) For the purposes of this section and any guidelines promulgated thereunder, the following terms shall have the following meanings unless the context clearly requires otherwise,

“Bus station” means a bus rapid transit stop serving as a point of embarkation along a bus rapid transit corridor for a high-capacity bus-based rapid transport system accompanied by a sheltered platform, terminal or other fixed infrastructure serving as a point of embarkation or any stop along the Massachusetts Bay Transportation Authority’s silver line.

“Bus stop,” a point of embarkation along a bus rapid transit corridor not accompanied by a sheltered platform.

“Commuter rail station” means any MBTA commuter rail station with year-round, rather than intermittent, seasonal, or event-based, service, including stations under construction but not including existing stations at which service will be terminated, or permanently reduced below regular year-round service.

“Rapid Transit Station” an MBTA subway station or MBTA Silver Line Rapid Bus Transit Station.

“Rapid transit community” means an MBTA community that has within its borders at least 100 acres of developable station area associated with one or more subway stations, or MBTA Silver Line bus rapid transit stations.

“Subway station” means a Massachusetts Bay Transportation Authority station with uninterrupted service running inbound-to or outbound-from either Park Street Station, Government Center Station, Downtown Crossing Station, or State Street Station as part of the Red, Blue, Orange, or Green Lines.

“Trolley Station” means an MBTA station providing connecting service to a subway station but does not provide direct service either inbound-to or outbound-from Park Street Station, Government Center Station, Downtown Crossing Station, or State Street Station.