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Malfunctioning Traffic Signal on Route 11 in South Centre Township, Columbia County

​Montoursville, PA – Motorists are advised that the traffic signal at the intersection of Route 11 and Keefers Road in South Centre Township in Columbia County has been intermittingly going into flashing mode. Crews are currently are investigating the problem. Motorists are advised to use caution at this intersection.

Motorists can check conditions on major roadways 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.

Subscribe to PennDOT news and traffic alerts in Tioga, Bradford, Lycoming, Sullivan, Union, Snyder, Northumberland, Montour and Columbia counties at

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MEDIA CONTACT: Maggie Baker, 570-368-4202 or