FRA ordered that Amtrak make operational the anti-collision technology installed along the portion of track in Philadelphia where a train derailed, implement the technology along curves where the speed limits approaching a curve are significantly greater than the curve itself, and install more speed limit signage.

The mandate to enable Positive Train Control in the derailment area comes after Amtrak revealed that the technology is operational in the southbound lanes, but not the northbound lanes, on which the derailed train was traveling.

Amtrak said it will also see whether it can partially activate some components of its Advanced Civil Speed Enforcement System already installed along the Northeast Corridor without hampering its ability to make Positive Train Control completely operational in the Northeast Corridor by year’s end.