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Southeastern Pennsylvania Transportation Authority Serving Bucks, Chester, Delaware, Montgomery, and Philadelphia Counties

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Positive Train Control Update

On Monday, May 23rd the Positive Train Control (PTC) signal system launched on the Fox Chase Line.

SEPTA Rail Transportation staff, our train crews, vehicle and signal personnel, and the Control Center have been working together to ensure that we have as seamless a transition as possible for Fox Chase customers. But learning from the Warminster Line PTC launch we expect there may be operational and system adjustments required and we will be keeping a close watch on our on-time performance standards.

The goal for making this strategic investment is to enhance safety on our Regional Rail system by being able to:

  • Regulate train separation
  • Avoid train-to-train collisions at track crossover locations
  • Enforce line speed continuously including temporary speed restrictions
  • Protect rail worker wayside safety zones
  • Regulate grade crossings that are out of service
  • Prevent a train from running over a mainline switch set in the wrong position


Safety is a top business priority for SEPTA and one of the fundamental principles guiding the transit industry today. We are proud to be at the forefront of a nationwide effort to meet a federal mandate to install PTC on our Regional Rail network.

PTC is the next generation of signal systems designed to enhance safety by deploying technology interventions when potentially unsafe travel conditions are detected. This is just one of the many initiatives we are working on to improve the safety of SEPTA operations for customers and employees.

Next up will be the launch of PTC on the Lansdale/Doylestown Regional Rail Line between Doylestown Station and Glenside or Jenkintown. We'll be announcing the date when this begins shortly.

We greatly appreciate your support and cooperation as we've worked to bring this important safety system to our Regional Rail network and we ask for the continued patience of our customers as PTC is introduced on their Line.

Previous Positive Train Control Updates

Positive Train Control (PTC) System Set to Launch on Fox Chase Regional Rail Line

May 12, 2016 Positive Train Control Update

April 28, 2016 Positive Train Control Update

March 18, 2016 Positive Train Control Update

February 26, 2016 Positive Train Control Update

February 19, 2016 Positive Train Control Update

January 2016 Positive Train Control Update

November 2015 Positive Train Control Update

June 2015 Positive Train Control Update