page_title: Interstate 376
section_title: Parkway West
hierarchical_section_title: Interstate 376 / Route description / Parkway West
caption_attribution_description: Interstate 376 - Pennsylvania
context_page_description: Interstate 376 is a major auxiliary route of the Interstate Highway System in the U.S. state of Pennsylvania, located within the Allegheny Plateau. It runs from I-80 near Sharon south and east to a junction with the Pennsylvania Turnpike in Monroeville, after having crossed the Turnpike at an interchange earlier in its route. The route serves Pittsburgh, Pennsylvania and its surrounding areas, and is the main access road to Pittsburgh International Airport. Portions of the route are known as the Beaver Valley Expressway, Southern Expressway, and Airport Parkway. Within Allegheny County, the route runs along the majority of the Penn-Lincoln Parkway, known locally as Parkway West and Parkway East. It is currently the ninth-longest auxiliary Interstate route in the system, and second only to I-476 within Pennsylvania.
  I-376 is signed east–west despite running north–south for nearly three-quarters of its length; however, it does run east–west through the majority of Allegheny County. This is because until 2009, the route's western terminus was at Interstate 279 in Downtown Pittsburgh; it was extended west and north to I-80 to give the corridor a single route designation.
context_section_description: Now traveling southeast, the route comes to a partial cloverleaf interchange with the Penn-Lincoln Parkway (US 22 and US 30) and Steubenville Pike (PA 60) in Robinson Township. The two U.S. Highways join I-376 here in a partially-unsigned concurrency (indicated only on reassurance markers), continuing east-southeastward bearing the Penn-Lincoln Parkway name, and soon reach an interchange with I-79. From that point eastward, along what was known for many years as I-279, I-376 runs east-southeast through Rosslyn Farms and Carnegie before turning northeast and passing through Green Tree.
  Entering the city of Pittsburgh, I-376 winds its way northeast to its second interchange with PA 51 at Saw Mill Run Boulevard, which is also part of a spread-out series of ramps linking Banksville Road (US 19) and US 19 Truck. This junction, located just before the freeway passes under Mount Washington in the Fort Pitt Tunnel, features the infamous wrong-way concurrency of the northbound and southbound directions of US 19 Truck.
  After passing through the Fort Pitt Tunnel, I-376 emerges onto the four-lane double-deck Fort Pitt Bridge, crossing over the Monongahela River. There are single-lane westbound exit and eastbound entrance ramps connecting Carson Street to the freeway between the tunnel's portal and the bridge. Once across the river, the route touches down in Downtown Pittsburgh at Point State Park. An interchange at the Point connects I-376 to I-279 (Parkway North), which leads to the Fort Duquesne Bridge, as well as Liberty Avenue.
caption: I-376 Greentree exit
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