It's a portable conveyor belt that is situated below one bay of the hopper car. The highest part of the conveyor belt is high enough to fit a truck underneath it. Therefore, when the hopper bay is opened, the aggregate will ride up the belt into the truck trailer. The truck moves slowly to distribute the aggregate evenly in the trailer bed.
Hope this helps.
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- Discussion related to NYAR operations on Long Island. Official web site can be found here: www.anacostia.com/nyar/nyar.html. Also includes discussion related to NYNJ Rail, the carfloat operation successor to New York Cross Harbor that connects with NYAR.
by rb
Cool; thanks for the reply. I figured they must have bought something like that. It looks like aggregate and C&D business has really picked up. How many places are now taking aggregate deliveries by rail?