NMDOT District 5 TOC - Traffic Management Functionality
Subsystem Description
The Traffic Management Subsystem (TMS) monitors and controls traffic and the road network. It represents centers that manage a broad range of transportation facilities including freeway systems, rural and suburban highway systems, and urban and suburban traffic control systems. This subsystem communicates with the Roadway Subsystem to monitor and manage traffic flow and monitor the condition of the roadway, surrounding environmental conditions, and field equipment status. This subsystem coordinates with the Maintenance and Construction Management Subsystem to maintain the road network and coordinate and adapt to maintenance activities, closures, and detours. Incidents are detected, verified, and incident information is provided to allied agencies, drivers (through Roadway Subsystem highway advisory radio and dynamic message signs), and information service providers. This subsystem also manages traffic and transportation resources to support allied agencies in responding to, and recovering from, incidents ranging from minor traffic incidents through major disasters. When required, special traffic management strategies are implemented to support evacuation and reentry. The Traffic Management Subsystem supports HOV lane management and coordination, road pricing, and other demand management policies that can alleviate congestion and influence mode selection. It also manages reversible lane facilities and barrier and safeguard systems that control access to transportation infrastructure. The subsystem communicates with other Traffic Management Subsystems to coordinate traffic information and control strategies in neighboring jurisdictions. It also coordinates with rail operations to support safer and more efficient highway traffic management at highway-rail intersections. Finally, the Traffic Management Subsystem provides the capabilities to exercise control over those devices utilized for automated highway system (AHS) traffic and vehicle control.
Functional Area: Collect Traffic Surveillance
Management of traffic sensors and surveillance (CCTV) equipment, collection of current traffic conditions, and distribution of the collected information to other centers and operators.
| ID | Requirement | Status |
|---|---|---|
| 1 | The center shall monitor, analyze, and store traffic sensor data (speed, volume, occupancy) collected from field elements under remote control of the center. | Planned |
| 2 | The center shall monitor, analyze, and distribute traffic images from CCTV systems under remote control of the center. | Planned |
| 5 | The center shall respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution. | Planned |
| 6 | The center shall maintain a database of surveillance equipment and sensors and associated data (including the roadway on which they are located, the type of data collected, and the ownership of each ) | Planned |
Functional Area: TMC Environmental Monitoring
Management of environmental sensors and assimilation of collected data with other current and forecast road conditions and surface weather information from weather service providers and roadway maintenance operations.
| ID | Requirement | Status |
|---|---|---|
| 1 | The center shall remotely control environmental sensors that measure road surface temperature, moisture, icing, salinity, and other measures. | Planned |
| 2 | The center shall remotely control environmental sensors that measure weather conditions including temperature, wind, humidity, precipitation, and visibility. | Planned |
| 3 | The center shall assimilate current and forecast road conditions and surface weather information using a combination of weather service provider information (such as the National Weather Service and value-added sector specific meteorological services), data from roadway maintenance operations, and environmental data collected from sensors deployed on and about the roadway. | Planned |
Functional Area: TMC Incident Detection
Remotely monitors traffic sensor and surveillance systems to detect and verify incidents. Also monitors external advisory and incident reporting systems, intermodal freight depots, and border crossings for additional incident information. Identified incidents are reported to operations personnel and other centers.
| ID | Requirement | Status |
|---|---|---|
| 1 | The center shall receive inputs from the Alerting and Advisory System concerning the possibility or occurrence of severe weather, terrorist activity, or other major emergency, including information provided by the Emergency Alert System. | Planned |
| 3 | The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters and traveler information service providers. | Planned |
| 4 | The center shall exchange incident and threat information with emergency management centers as well as maintenance and construction centers; including notification of existence of incident and expected severity, location, time and nature of incident. | Planned |
| 6 | The center shall provide road network conditions and traffic images to emergency management centers to support the detection, verification, and classification of incidents. | Planned |
| 7 | The center shall provide video and traffic sensor control commands to the field equipment to detect and verify incidents. | Planned |
Functional Area: TMC In-Vehicle Signing Management
Formats and outputs information to field equipment that supports in-vehicle signage equipment communications.
| ID | Requirement | Status |
|---|---|---|
| 1 | The center shall format and output variable sign information such as traffic and road conditions to field equipment that supports in-vehicle signage communications. | Planned |
| 2 | The center shall format and output advisory information, such as detour information, wide-area alerts, work zone intrusion information, and other special information to field equipment that supports in-vehicle signage communications. | Planned |
Functional Area: TMC Roadway Warning
Remotely monitors and controls field elements used to warn drivers approaching hazards. Detects and warns approaching vehicles of adverse road weather conditions, traffic conditions including queues, and obstacles or animals in the road.
| ID | Requirement | Status |
|---|---|---|
| 1 | The center shall monitor data on traffic, environmental conditions, and other hazards collected from sensors along the roadway. | Planned |
| 2 | The center shall identify hazardous road weather and surface conditions. | Planned |
| 4 | The center shall identify debris, animals, or other encroachment on the roadway dangerous to approaching motorists. | Planned |
| 5 | The center shall issue control commands to field equipment warning drivers approaching the identified hazardous conditions. | Planned |
Functional Area: TMC Traffic Information Dissemination
Controls dissemination of traffic-related data to other centers, the media, and travelers via the driver information systems (DMS, HAR) that it operates.
| ID | Requirement | Status |
|---|---|---|
| 1 | The center shall remotely control dynamic messages signs for dissemination of traffic and other information to drivers. | Planned |
| 3 | The center shall collect operational status for the driver information systems equipment (DMS, HAR, etc.). | Planned |
Functional Area: TMC Work Zone Traffic Management
Coordination with maintenance systems using work zone images and traveler information systems (such as DMS), and distribution of work plans so that work zones are established that have minimum traffic impact.
| ID | Requirement | Status |
|---|---|---|
| 1 | The center shall receive work zone images from a maintenance center. | Planned |
| 3 | The center shall remotely control driver information systems (such as dynamic messages signs, highway advisory radios) to advise drivers of activity around a work zone. | Planned |
Functional Area: Traffic Equipment Maintenance
Monitoring and remote diagnostics of field equipment - detect failures, issue problem reports, and track the repair or replacement of the failed equipment.
| ID | Requirement | Status |
|---|---|---|
| 1 | The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) operational status. | Planned |
| 2 | The center shall collect and store CCTV surveillance system (traffic, pedestrian) operational status. | Planned |