Glossary

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There are currently 17 names in this directory beginning with the letter D.
Dead Head
A long distance drayage movement of empty equipment required to pick up a load.

Dedicated Train
A train that transports a dedicated commodity or type of cars. In the case of intermodal, intermodal trains only carry trailers and/or containers.

Demurrage
A penalty for exceeding free time allowed for loading or unloading at a pier or freight terminal. Also, demurrage is a charge for undue detention of transportation equipment or carriers in port while loading or unloading.

Destination Ramp
The railroad terminal that a unit will go to, to be picked up by truck for delivery.

Detention
The railroad terminal that a unit will go to, to be picked up by truck for delivery.

Diversion
A charge made on trailers/containers held by or for a consignor/consignee for loading or unloading, forwarding directions or any other purpose. Typically, there are 2 hours free time before detention becomes an issue.

Domestic Intermodal
A change made in the route of a shipment in transit.

Door-to-Door
Transport of freight via 53’ containers through rail and truck modes within North America.

Door-to-Ramp
A movement of lading from the customer’s dock to the receiver’s dock.

Double-Stack
The movement of a container or trailer to or from the railroad intermodal terminal to or from the customer's facility for loading or unloading.

Drayage
The movement of a container or trailer to or from the railroad intermodal terminal to or from the customer's facility for loading or unloading.

Driver Assist
When a drayman is required to assist in the loading/unloading of a container or trailer.

Drop & Pull
Drayman drops loaded or unloaded unit at shipper or receiver and hooks up to unit which was previously dropped and returns it to the ramp.

Drop Charges
The railroads may impose drop charges at certain ramps to units that return to the ramp empty. Drop charges are used to prevent congestion.

Dry Run
When a drayman goes to a ramp to pick up a container and for some reason leaves without one.

Dunnage
The material used to protect or support freight in containers or trailers.

Dwell
Same as demurrage; used more in rail industry communications than in legal contracts.