Track pans provide spill containment at industrial railcar loading and locomotive maintenance facilities. Using a track pan prevents expensive cleanup and regulatory penalties from railcar bulk loading chemical spills.

https://www.saferack.com/product/spill-containment/railcar-spill-containment/
https://www.saferack.com/product/spill-containment/railcar-spill-containment/polyethylene-track-pans/