the south. From here, US 22/US 30 turn east-northeast and reach an interchange that connects to Old Steubenville Pike, Bayer Road, and Montour Church Road. The freeway comes to an interchange with I-376, where US 22/US 30 head southeast concurrent with I-376 and PA 60 continues east (south) at-grade along a four-lane divided highway. I-376/US 22/US 30 head southeast as the four-lane Penn-Lincoln Parkway, reaching an interchange with Ridge Road. The freeway comes to a westbound exit and eastbound entrance with Campbells Run Road, where it widens to six lanes. The highway curves to the east and meets I-79 at an interchange. Past this interchange, I-376/US 22/US 30 narrows to two lanes eastbound and head into the borough of Rosslyn Farms, turning southeast and coming to a westbound exit and eastbound entrance with Rosslyn Road that serves Rosslyn Farms. The freeway crosses into the borough of Carnegie and reaches a bus-only eastbound exit and westbound entrance connecting to the PRT's West Busway before passing over a Pittsburgh and Ohio Central Railroad line. The highway passes over Chartiers Creek and another Pittsburgh and Ohio Central Railroad line as it leaves Carnegie and comes to the PA 50 interchange. I-376/US 22/US 30 narrows to four lanes, passing under a Wheeling and Lake Erie Railway line and curving northeast into the borough of Green Tree. The freeway reaches the PA 121 interchange, where it gains a third westbound lane, and heads east, entering the city of Pittsburgh and coming to a westbound exit and eastbound entrance with Parkway Center Drive. The highway turns north and reaches a westbound exit and eastbound entrance with US 19, where US 19 joins I-376/US 22/US 30 on the Penn-Lincoln Parkway. Within this interchange, the road has an eastbound runaway truck ramp and passes under a ramp carrying both directions of US 19 Truck. The freeway widens to six lanes and passes under a Wheeling and Lake Erie Railway line before reaching an interchange with PA 51, where US 19 Truck joins the Penn-Lincoln Parkway from PA 51 and US 19 splits from the Penn-Lincoln Parkway by heading north along with PA 51. Past this interchange, I-376/US 22/US 30/US 19 Truck narrows to four lanes and passes under Mount Washington in the Fort Pitt Tunnel. After emerging from the Fort Pitt Tunnel, the freeway passes over Norfolk Southern's Mon Line and PA 837, coming to a westbound exit