Government and Regulation Sites:
AAR: http://www.aar.org
Hazmat: http://hazmat.dot.gov
DOT (CFR 49): http://www.myregs.com/dotrspa
TC Transport Canada: http://www.tc.gc.ca/tdg/menu.htm
FRA: http://www.fra.dot.gov
Transportation Technology Centre: http://www.aar.com

Associations:
RAC: http://www.railcan.ca
North American Rail Shippers Association: http://www.railshippers.com
Canadian Association of Railway Suppliers: http://www.railwaysuppliers.ca
RPI / RSI: http://www.rsiweb.org
Association of Regional Railroads of Canada: http://www.arrc.ca/website/index.asp
American Short Line and Regional Railroad Association: http://www.aslrra.org
Canadian Chemical Producers Association: http://www.ccpa.ca
Canadian Association of Chemical Distributors: http://www.cacd.ca
National Association of Chemical Distributors: http://www.nacd.com
Canadian Fertilizer Association: http://www.cfi.ca
The Fertilizer Institute: http://www.tfi.org
Canadian Compressed Gas Association: http://www.cga.ca
Compressed Gas Association: http://www.cganet.com
Propane Gas Association of Canada: http://www.propanegas.ca
Chlorine Institute: http://www.cl2.com
Trainscan: http://www.trainscan.com

Railroads:
CN http://www.cn.ca
CP http://www.cpr.ca

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