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Grand Avenue On-ramp to Northbound I-79 Closure Extended Through Early January in Allegheny County


Pittsburgh, PA – PennDOT District 11 is announcing an extension of the closure of the ramp from Grand Avenue to northbound I-79 at the Neville Island Bridge in Neville Township, Allegheny County, will continue Friday, December 22.

The ramp that carries traffic from Grand Avenue to northbound I-79 is currently closed as crews conduct concrete deck repairs. The ramp closure has been extended through early January. All ramp traffic will be detoured. 

Posted Detour

  • From westbound Grand Avenue, cross the Ohio River via the Coraopolis Bridge

  • Turn right onto northbound Route 51 (4th Avenue)

  • Turn left onto Thorn Run Road

  • Turn left onto southbound Route 51 (5th Avenue)

  • Continue southbound on Route 51 (5th Avenue becomes State Avenue)

  • Turn right onto the ramp to northbound I-79 toward Erie

  • End detour

Alternate Detour

  • From eastbound Grand Avenue, bear right onto Neville Road

  • Cross the Ohio River via the Fleming Park Bridge

  • Turn right onto northbound Route 51 (Robinson Boulevard) toward Coraopolis

  • Continue northbound on Route 51 (Robinson Boulevard becomes Coraopolis Road)

  • Turn left onto the ramp to northbound I-79

  • End detour

To help keep motorists informed as work progresses, PennDOT has created an email distribution list for the I-79 Neville Island Bridge rehabilitation including traffic advisories and construction updates. Enroll by sending email addresses to Please write “Subscribe – I-79” in the subject line.

Motorists can check conditions on more than 40,000 roadway miles, including color-coded winter conditions on 2,900 miles, by visiting 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information, and access to more than 1,000 traffic cameras.

511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following regional twitter alerts accessible on the 511PA website.

Contact: Steve Cowan, 412-429-5010

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