Mine 3 was a station on the Port Authority of Allegheny County's light rail network, located in Bethel Park, Pennsylvania.

The small station was located directly adjacent to an industrial park and was designed mainly to provide access for workers at the associated businesses.

[3][4] This mine played a significant role in the development of the local economy, contributing to the growth of Bethel Park and surrounding communities.

The closure of Mine 3 station was part of a broader initiative by the Port Authority of Allegheny County to streamline its services and improve efficiency across the light rail network.

Despite its primary function of serving industrial park workers, the station saw relatively low ridership, which contributed to the decision to close it.