Walsh建筑公司(Walsh Construction Co.)正在更换三部电梯轿厢以及相关设备，并为马萨诸塞湾运输署的波特广场局安装两部新电梯。该工程三月份开始，计划将于2012年三月完成。

MBTA ELEVATOR WORK

　　Walsh Construction Co. is replacing three elevator cabs and related equipment, and constructing two new elevators for the Massachusetts Bay Transportation Authority (MBTA)’s Porter Square station. The work began in March and is expected to be complete in March 2012.