Transport Canada is proposing a further upgrade to rail tanker cars that haul flammable materials. The latest proposals would require shippers to upgrade tank cars to a standard called TC-117 by 2025. Highlights of the standard:
- Improved shields at the top of the tank car to better cover the pressure release valve from damage in a derailment
- A full shield to protect either end of a tank car from puncture
- A thermal shell to better shield tank cars from fire
- Steel used to build the cars would be thickened to 9/16th of an inch from 7/16ths.