Local residents will have expanded access to the MBTA’s Green Line this fall, thanks to a $400,000 grant awarded to the town and the MetroWest Regional Transit Authority. The funds from the state Department of Transportation will be used to provide bus service linking Wellesley with the trolley and subway line as well as connections with other bus routes serving the MetroWest area, according to an announcement posted on the town’s website. Selectwoman Ellen Gibbs announced the grant during the board’s meeting Monday night. The fixed-route service will be able to accommodate disabled persons as well as bicyclists, and the buses will feature the same Charlie Card fare-collection equipment as on the MBTA system. Cash fares will also be accepted. Although no exact date has been determined, there will be time for public input before the service starts this fall, according to the posting at www.wellesleyma.gov. The funding is provided through the Federal Transit Administration’s Jobs Access Reverse Commute program and administered by the state transportation agency. Wellesley has three stops on the MBTA’s Framingham-Worcester commuter-rail line.