TDOT Changeable Speed Limit Signs

Status: Planned

Description

TDOT roadway equipment that can change the speed limit depending on roadway and traffic conditions.

Stakeholders

StakeholderRoleRole Status
TDOTOwnsPlanned

Physical Objects

ITS Roadway Equipment

Functional Objects

Functional ObjectDescriptionUser Defined
Roadway Speed Monitoring and Warning'Roadway Speed Monitoring and Warning' includes the field elements that monitor vehicle speeds. If the speed is determined to be excessive, an advisory or warning is displayed. Current environmental conditions and other factors that may reduce safe operating speeds may also be taken into account. The operational status (state of the device, configuration, and fault data) is provided to the center. This application can also provide an enforcement function, reporting speed violations to an enforcement agency.False
Roadway Variable Speed Limits'Roadway Variable Speed Limits' includes the field equipment, physical overhead lane signs and associated control electronics that are used to manage and control variable speed limits systems. This equipment monitors traffic and environmental conditions along the roadway. The system can be centrally monitored and controlled by a Traffic Management Center or it can be autonomous, calculating and setting suitable speed limits, usually by lane. This application displays the speed limits and additional information such as basic safety rules and current traffic information to drivers.False

Interfaces To

(View Context Diagram)

TDOT Region 3 TMC – Nashville