The Office and Professional Employees International Union, Local 453 is the original management union representing a segment of the employees of the Massachusetts Bay Transportation Bay Authority. We represent over 400 of the Authority's employees from nearly every department across the "T". Our members work in a variety of technical, professional, clerical and supervisory positions.

Please click on any one of the links on the left hand side of the page to learn more about Local 453, the MBTA and OPEIU.