| Stakeholder |
Roles and Responsibilities |
| NYC DOT - Department of Transportation |
| Adjust signal timing patterns in response to incidents. |
| Collect road weather information from field sensors. |
| Collect traffic data from the traffic signal system sensors. |
| Collect traffic probe information (e.g., travel times) from field sensors. |
| Coordinate traffic signals at rail-intersection grade crossings. |
| Manage drawbridges via control devices (e.g., gates, warning lights, dynamic message signs) at the drawbridge as well as the information systems that are used to keep travelers appraised of current and forecasted drawbridge status. |
| Monitor and control reversible lanes on arterials with lane control signals. |
| Monitor arterial surveillance cameras. |
| Operate traffic information devices, such as dynamic message signs. |
| Operate traffic signal systems on local arterials and streets owned and operated by the City of New York |
| Perform network surveillance for incident detection and verification, and send traffic/incident information and traffic images to public safety agencies. |
| Provide signal preemption for emergency vehicles. |
| Provide traffic and road network information to local transit agencies. |
| Provide traffic information reports to other traffic management agencies. |
| Provide traffic information to travelers via traffic information devices on roadways (e.g., DMS equipment), and through local ISPs and web sites. |
| Provide traffic information, such as road network conditions, to private traveler information systems and the media. |
