Port Authority v. Amalgamated Transit Union, Division 85

OPINION

LARSEN, Justice.

In this case we are asked to review an order of the Commonwealth Court setting aside an arbitration award rendered at the close of a grievance arbitration proceeding between appellant, Division 85 of the Amalgamated Transit Union (Union), and appellee, Port Authority of Allegheny County (Authority).

*496This controversy arose in 1976, during the term of a collective bargaining agreement between the Union and the Authority. For more than forty years prior to this dispute, the Authority and its predecessor, Pittsburgh Railways Company, had engaged in the practice of providing…