Roadway Signal Priority Functional Area
Description
Field elements that provide the capability to receive vehicle signal priority requests and control traffic signals accordingly.
Included In
Functional Requirements
| ID | Requirement |
|---|
| 1 | The field element shall respond to requests for indicator (e.g., signal) preemption requests from emergency vehicles at intersections, pedestrian crossings, and multimodal crossings. |
| 2 | The field element shall respond to requests for indicator (e.g., signal) priority requests from transit vehicles at intersections, pedestrian crossings, and multimodal crossings. |
| 3 | The field element shall notify controlling traffic management center and maintenance center that the signal timing has changed based on a signal preemption/priority request to help those centers determine whether a fault detected at the signal is a true malfunction or due to a signal override. |