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Interstate 279 (abbreviated I-279) is a north-south Interstate Highway spur that lies entirely within Allegheny County, Pennsylvaniamarker. Its southern end is at Interstate 376 in Pittsburgh, and the north end in Franklin Parkmarker at Interstate 79. It primarily serves at the main access route between Pittsburghmarker and its northern suburbs. As of June 11, 2009, I-279 has been truncated and now ends at the Fort Pitt Bridge in Pittsburgh. The Parkway West section has been renumbered as Interstate 376.

Route description

The highway is locally referred to as "Parkway North". At the southern terminus of 279, the highway continues as Interstate 376. I-279 also has a concurrency with U.S. Route 19 Truck from its southern terminus to exit 11. This concurrency continues on Interstate 376. I-279's southern terminus is at Interstate 376 in downtown Pittsburgh. Interstate 579 intersects I-279, but is only accessible by southbound traffic; likewise, traffic from I-579 can only head northbound on I-279 by the Interstate 279 Interchange. 279 crosses the Fort Duquesne Bridge over the Allegheny River, providing easy access to Heinz Fieldmarker and PNC Parkmarker. The Parkway North features two reversible HOV lanes. A related tragedy occurred in 1995 when a negligent highway worker failed to close the outbound gates, leading to a headon collision that killed six. In 2006, to help prevent a repeat of this incident, automatic "fast acting gates" were activated at the southern entrances to these HOV lanes in downtown Pittsburgh.


The former southern portion of the highway, from the southern interchange with Interstate 79 to downtown Pittsburghmarker was a completed highway long before the section that runs from north of downtown, from downtown Pittsburgh to the northern interchange with Interstate 79. In fact, the I-279 designation was once used for the sections of Interstate 79 west of Pittsburgh, with the idea being that once the North Hills extension was completed, that the highway west of the city would be numbered Interstate 279, and the highway running through Pittsburgh would be numbered as Interstate 79. Plans were made to extend I-279 to its current northern terminus in Franklin Parkmarker, and construction began in the mid 1980s, and the construction concluded in September 1989. During the late 1990s and the early 2000s, several rehabilitation and construction projects were done on the Fort Pitt Bridge and the tunnels, creating detours and traffic problems during the construction projects.

Southern section renamed Interstate 376

I-279 now ends at the Fort Pitt Bridge. Temporarily, the segment from Carnegie to the Ft. Pitt Bridge has been labeled, I-279/I-376/US-22/US30. By the end of 2009 all the 279 signs will be removed, and the exit numbers will be changed to reflect the route (Exit 7ABC = Exit 1ABC).

Exit list

The entire route is in Allegheny Countymarker.
Location # Destinations Notes
Old New
Pittsburghmarker 6A
6C 1A Fort Duquesne Boulevard – Convention Centermarker, Strip Districtmarker
Fort Duquesne Bridge over Allegheny River
7A 1B North Shoremarker - Heinz Fieldmarker, PNC Parkmarker, Carnegie Science Centermarker No northbound entrance
7B 1C
9th Street Southbound exit and northbound entrance; HOV only
7C 1D Southbound exit is via exit 8B
8A 2A Southbound exit and northbound entrance
8B 2B East Street Southbound exit and northbound entrance
9 3 Hazlett Street Northbound exit and entrance
10 4 Venture Street Southbound exit and entrance. Provides access to US 19 Truck North
11 4 North end of US 19 Truck overlap; northbound exit and southbound entrance
Ross Townshipmarker 12 5
14 7 Bellevuemarker, West Viewmarker
Ohio Townshipmarker 15 8 Camp Horne Road
Franklin Parkmarker 20 Northbound exit and southbound entrance


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