Interstate 579 South

Interstate 579 crosses the Allegheny River on the Veterans Bridge south from a two-wye interchange with I-279 and PA 28 south.
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The exit for 6th Avenue leads to PPG Paints Arena (home of the Pittsburgh Penguins). 7th Avenue leads west into Downtown Pittsburgh toward the David L. Lawrence Convention Center.
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The exit for 6th Avenue leads to PPG Paints Arena (home of the Pittsburgh Penguins). 7th Avenue leads west into Downtown Pittsburgh toward the David L. Lawrence Convention Center.
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The exit for 6th Avenue leads to PPG Paints Arena (home of the Pittsburgh Penguins). 7th Avenue leads west into Downtown Pittsburgh toward the David L. Lawrence Convention Center.
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Unlike most other bridges in the Downtown area, there is no visible superstructure on the Veterans Bridge.
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The exit for 6th/7th Avenues ties into the west end of PA 380 along Bigelow Boulevard. PA 380 travels toward eastern Pittsburgh and Penn Hills.
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I-579 (Crosstown Boulevard) continues south to a trumpet interchange with PA 885 (Boulevard of the Allies) to I-376/U.S. 22-30 (Penn-Lincoln Parkway) east.
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The HOV roadway along I-579 concludes southbound at Bedford Avenue and Logan Street near PPG Paints Arena.
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The HOV roadway along I-579 concludes southbound at Bedford Avenue and Logan Street near PPG Paints Arena.
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Dropping below grade, Interstate 579 (Crosstown Boulevard) passes between Downtown Pittsburgh and PPG Paints Arena ahead of the flyover for PA 885 (Boulevard of the Allies) south.
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The final confirming marker for Interstate 579 stands alongside the entrance ramp from PA 380 (Bigelow Boulevard) westbound.
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PA 885 (Boulevard of the Allies) extends east from the entrance ramp for I-376 to Oakland, the University of Pittsburgh, Schenley Park, Squirrel Hill, Point Breeze and Frick Park.
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An end shield for I-579 appears at the ramp separation for PA 885. I-376 ultimately connects with the Pennsylvania Turnpike (I-76) in Monroeville. There is no access from I-579 south to I-376 west.
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A single lane ramp extends south from I-579 onto Crosstown Boulevard (SR 3069) at 2nd Avenue.
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An entrance ramp from Boulevard of the Allies (PA 885) combines with Crosstown Boulevard south onto the Liberty Bridge.
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The ramp from Boulevard of the Allies joins the Liberty Bridge (SR 3069) at a signalized intersection.
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The Liberty Bridge is not divided so that reversible lanes can be implemented during commute hours.
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The speed limit on the Liberty Bridge is 40 miles per hour.
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This variable message sign shows the lane assignments for destinations reached via the Liberty Tunnels.
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The south end of the Liberty Bridge intersects P.J. McArdle Roadway. P.J. McArdle Roadway ascends northwest to neighborhoods on top of Mount Washington as well as several scenic vistas of Downtown and the three rivers.
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The Liberty Tunnel (SR 3069) southbound connects with U.S. 19 Truck (Liberty Avenue) south to Dormont and PA 51 (Saw Mill Run Road) south to Uniontown and north to West End Village.
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Measuring 5,889 feet in length, the Liberty Tunnels are among the longest in Pittsburgh, The two tubes were completed in 1924.³
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The Liberty Tunnel advances south under Mount Washington with a 40 mile per hour speed limit.
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The southbound Liberty Tunnel emerges at a parclo interchange joining U.S. 19 Truck and PA 51 at W Liberty Avenue and Saw Mill Run Boulevard.
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U.S. 19 Truck and PA 51 overlap northwest along Saw Mil Run Boulevard to I-376/U.S. 22-30 by the west entrance to the Fort Pitt Tunnel.
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PA 51 continues south along Saw Mill Run Boulevard to Overbrook in south Pittsburgh. Beyond the Steel City, PA 51 runs south to PA Turnpike 43 (Mont Fayette Expressway) at Jefferson Hills.
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