 Lebanon and Beechview) was approved for funding May 8, 1985 with $20 million in federal grants and completed the modern system on May 22, 1987 at a total cost of $522 million.The suburban line in the south hills were former streetcar lines that had been rehabilitated to accommodate light rail vehicles.The Beechview line was reconstructed (being completely double tracked) and routed from the South Hills Junction through the Mount Washington Transit Tunnel, emerging at a newly constructed station at Station Square before crossing the Monongahela river on the Panhandle Bridge (a former railway bridge), which then led into a newly built downtown (cut and cover tunnel) subway with four stations, which incorporated the nineteenth century Pittsburgh & Steubenville Extension Railroad Tunnel.