3 ms·It's also mandated by Congress in the US, it's called PTC. (Remote control)by esseph 9mo agoIt's also mandated by Congress in the US, it's called PTC. (Remote control)nhubbard 9mo agoThis wasn't PTC. It was repair lockouts instituted by the manufacturer of the trains based on a GPS geofencing beacon.esseph 9mo agoSure! I'm just pointing out that technically you can stop the trains remotely - by design.