Rail traffic does not need approvals, its already there. (dogwoodbc.ca)
For instance, it absorbs the vibrations from moving trains, providing insulation for urban environments with close rail traffic. (sciencedaily.com)
Schumer referred to the recent tanker explosion that devastated a Canadian town, saying such tragedies don't happen every day, but he is concerned the frequency may increase with increased rail traffic upstate. (wamc.org)