 However, in 1995, PAT declined to build a new road bridge (estimated at or today) to connect the tunnel with downtown Pittsburgh.On July 23, 2003 PAT approved contracts for today) to build high-occupancy vehicle (HOV) ramps and modernized the tunnel, as well as provide a 172-space park-and-ride lot along Woodruff Street.The little-used HOV lane was opened on December 27, 2004, running from West Carson Street on the South Side and through the tunnel to Woodruff Street in Mt.