Ensure that all freight containers used for transporting Class
A explosives are weatherproof, allow for secure blocking and
bracing of cargo inside, and can maintain structural integrity
of itself and cargo under an 8 mph impact.
Do not use drop-bottom railcars
containers of Class A explosives.
You may transport Class A and B explosives in trucks or
trailers on flatcars if cargo is protected from the weather.
Class A explosives and initiating or priming explosives may
not be together in the same railcar.
Car certificates are not required for Class C explosives.
Loading Requirements for Flammable Gases
Do not transport flammable gases in a railcar equipped with
any type of open-flame device, or an internal combustion
Secure cylinders containing compressed gases in an upright
position to prevent their overturning, or load them in a
Do not transport cylinders
Loading Requirements for Poisons
Do not transport poison gas in the same car with any edible
material intended for consumption by humans or animals.
Transport Class A poisons in DOT approved containers or tanks,
and securely block and brace them.
Transport Class A Poisons in carload lots; however, gas-filled
projectiles may be transported in less-than-carload lots.
Ensure each shipment of Class A Poisons is accompanied at all
times by a qualified escort supplied with equipment to handle
leaks and other packaging failures which could result in
escape of the gas.
When transporting Class A Poisons in a tank, securely mount on
a railcar especially provided for it or on a gondola car
prepared with substantial wooden frames and blocks.