MMUCC Training

V17. Traffic Control Device Type

Definition:

The type of traffic control device (TCD) applicable to this motor vehicle at the crash location.

Element Attributes:
Subfield 1 - Type TCD:
  • No Controls
  • Person (including flagger, law enforcement, crossing guard, etc.)
  • Traffic Control Signal
  • Flashing Traffic Control Signal
  • School Zone Sign/Device
  • Stop Sign
  • Yield Sign
  • Warning Sign
  • Railway Crossing Device
  • Other
  • Unknown
Subfield 2 - Inoperative/Missing?
  • Yes
  • No
  • Unknown
Rationale:

This element needs to be collected at the scene because the presence of specific devices is better verified at the time of the crash. It is also important for ascertaining the relationship between the use of various traffic control devices (TCD) and crashes and identifying the need for upgraded TCDs at specific crash locations.