The station serviced trains operated by the Delaware, Lackawanna and Western Railroad on three different lines.

Washington station contained a single large brick depot and multiple platforms.

The Delaware, Lackawanna and Western Railroad took over operations the next year when they agreed to a perpetual lease.

On December 24, 1911, the Lackawanna Cut-Off opened between Slateford Junction, Pennsylvania and Port Morris, resulting in the station becoming part of a branch.

The former main line alignment stopped operations north of Washington on March 15, 1944.