Roadway Intersection Safety Warning


Field elements that determine the probability of a collision in an intersection or at a railroad crossing and inform approaching vehicles using short-range wireless communications to the vehicles and traffic signal controls.

Included In

TxDOT District Roadway Devices

Functional Requirements

ID Requirement
1 The field element shall utilize traffic sensors to monitor vehicles approaching and occupying an intersection.
2 The field element shall monitor the operational state, signal timing, and current phase of the traffic signal.
3 The field element shall monitor road conditions on approaches to, and within, the intersection.
4 The field element shall communicate with approaching vehicles to determine vehicle position, velocity, acceleration, direction, and intended turning movement.
5 The field element shall detect potentially hazardous conditions including impending red-light or stop sign violations and potential conflicts between approaching vehicles.
6 The field element shall provide intersection status and warnings to approaching vehicles using field-vehicle communications.
7 The field element shall update signs or signals to warn the driver of potentially hazardous situations.