| Stakeholder | Role and Responsibility |
|---|
| DDOT Transportation Operations Administration | Manage drawbridges via control devices (e.g., gates, warning lights, dynamic message signs) at the drawbridge as well as the traveler information systems. |
| Suggest a safe driving speed for vehicles traveling on the highway or arterials. |
| Monitor the speeds of vehicles traveling on the highway or arterials. |
| Monitor and control reversible lanes on highways and District-owned arterials with lane control signals. |
| Coordinate with WMATA, Circulator and Streetcar Rail Operations |
| Use decision support systems to improve traffic management. |
| Provide traffic information in a coordinated effort to the District traveler information system, websites and other traffic management agencies. |
| Monitor and control traffic information devices of other traffic management agencies, such as dynamic message signs, during certain agreed upon conditions, such as specific hours or during specific emergencies. |
| Provide traffic information, such as road network conditions, to public safety agencies. |
| Provide traffic information, such as road network conditions, to maintenance and construction agencies. |
| Provide traffic information, such as road network conditions, to information service providers. |
| Provide traffic information, such as road network conditions, information to transit agencies. |
| Provide traffic information to travelers via traffic information devices on District-owned roadways (e.g., DMS and HAR equipment), and through local ISPs and web sites. |
| Operate traffic information devices, such as dynamic message signs and highway advisory radios. |
| Private Traveler Information Providers | Collect traffic condition information from traffic operations centers. |