{"id":462,"date":"2012-02-29T17:29:52","date_gmt":"2012-02-29T22:29:52","guid":{"rendered":"https:\/\/qa-origin-www.parsons.com\/?post_type=project&p=462"},"modified":"2023-12-27T11:51:00","modified_gmt":"2023-12-27T16:51:00","slug":"metrolink-ptc","status":"publish","type":"project","link":"https:\/\/www.parsons.com\/project\/metrolink-ptc\/","title":{"rendered":"Metrolink Positive Train Control (PTC) \u2013 Southern California"},"content":{"rendered":"

Positive train control (PTC) is collision avoidance technology that monitors and controls train movements.<\/strong> It is intended to prevent train-to-train collisions, overspeed derailments, and movement of trains through switches left in the wrong position. To improve railroad safety in the United States, federal legislation mandated that passenger railroads and large freight railroads were required to install PTC on all main line track where intercity passenger and commuter railroads operated, as well as on lines carrying hazardous materials.<\/p>\n

Our Role<\/h3>\n

Southern California Regional Rail Authority (SCRRA), the governing board of Metrolink, hired Parsons to design, furnish, and install PTC technology on Metrolink\u2019s 512-mile regional commuter rail system. As the prime contractor leading a vendor\/integrator team, we managed the overall program as well as design, testing, integration, and commissioning services.<\/p>\n

SCRRA placed its PTC system in revenue service, making it the first commuter railroad in the United States to have fully deployed a PTC system. Metrolink\u2019s systemwide PTC implementation program consisted of four subsystems:<\/p>\n