Maintains a situation map of the road net to reflect data on such things as obstructions,
detours, defiles, capacities, enemy activity, and road conditions.
Consolidates/issues movement credits.
Modifies routings, schedules, and priorities.
Coordinates with the host nation when required.
Coordinates movements and exchanges information with adjacent HTD.
The HTD uses area control methods. In other words, each HTD is responsible for a specific
geographic area. It is responsible for highway traffic movements within that area. There are two
elements that are the primary executors of the procedures established by the HTD. The first is highway
traffic regulating points that are provided by transportation units. The second is the military police. The
military police operating in the area enforce the MSR regulations, primarily through the use of mobile
patrols and TCPs.
Much of the control that facilitates movement over the highway system is accomplished by movement
credit and route designation.
Movement Credits. When moving over selected routes and under certain locally prescribed conditions,
it is necessary to obtain a movement credit or convoy clearance. The unit making the move prepares a
convoy clearance request and submits it through channels to the HTD in whose area the convoy will
begin. When the request is approved by the HTD, a movement credit and convoy number is issued to
the requesting unit. The HTD also provides any additional instructions or requirements that may be
necessary.
Route Designations. In order to provide the maximum movement with the minimum amount of
regulations, each MSR and alternate receives a designation from the HTD. Each indicates a degree of
restrictions. There are five designations that are used. They are: open, supervised, dispatch, reserved,
and prohibited.
An open route has the least amount of control. Movement credits are not required and TCPs are
established only at the most critical places. A supervised route is used when a limited amount of
control is required. Movement credits will normally be required for convoys of ten or more vehicles. A
dispatch route is fully controlled. Movement credits are required even for single vehicles. A reserved
route is one that the commander has set aside for either a specific type of movement or for the
exclusive use of a certain unit. A prohibited route is exactly as its name implies. No traffic is permitted
on it.
Convoy Organization
MP1031
2-6
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