| 1.0 | TRAVEL AND TRAFFIC MANAGEMENT |
| 1.5.2 | TSI shall include an Information Access function that allows travelers to access the available information. |
| 1.5.2.5 | Information Access shall provide the capability for travelers to access the TSI information via any of, but not limited to, the following methods: |
| 1.5.2.5(a) | Highway advisory radio. |
| 1.6 | TRAFFIC CONTROL |
| 1.6.0 | ITS shall include a Traffic Control (TC) function. Traffic Control provides the capability to efficiently manage the movement of traffic on streets and highways. Four functions are provided, which are, (1) Traffic Flow Optimization, (2) Traffic Surveillance, (3) Control, and (4) Provide Information. This will also include control of network signal systems with eventual integration of freeway control. |
| 1.6.1.2.1 | Wide area optimization shall integrate the control of network signal systems with the control of freeways. |
| 1.6.1.4 | Traffic Flow Optimization shall include a Control function that is responsive to both the current demand as well as the expected demand. |
| 1.6.2 | TC shall include a Traffic Surveillance function. |
| 1.6.2.5 | The wide area surveillance shall acquire sufficient data to provide the system with the knowledge of the existing conditions. |
| 1.6.2.5.2 | The data process function shall process traffic data to generate near term predictions of traffic conditions. |
| 1.6.3 | TC shall include a Device Control function. |
| 1.6.3.3 | The Device Control function shall provide the capability to exercise control over those devices utilized for traffic control. |
| 1.6.3.3.1 | Device Control shall include the capability to control traffic signalization, including rapid modification of signalization parameters to respond to traffic requirements. |
| 1.6.3.3.2 | Device Control shall include the capability to dynamically control traffic signing. |
| 1.6.3.3.3 | Device Control shall include the capability to control freeway ramp metering. |
| 1.6.3.3.4 | Device Control shall include the capability to exercise dynamic control over the infrastructure (such as reversible-lanes, turning restrictions, etc.). |
| 1.6.3.4 | Device Control shall communicate control data to the following devices. |
| 1.6.3.4(a) | Traffic signals. |
| 1.6.3.4.1 | Traffic Surveillance shall include a data process function to process the traffic data which are acquired. |
| 1.6.3.6 | Device Control shall provide the operator the capability to adaptively change system response in order to provide a response that is coordinated with other TMCs responding to incidents. |
| 1.6.4 | Device Control shall provide traffic control information to other elements of the ITS, including but not limited to the following: |
| 1.6.4(a) | In-vehicle navigation. |
| 1.7 | INCIDENT MANAGEMENT |
| 1.7.0 | ITS shall include an Incident Management (IM) function. Incident Management will identify incidents, formulate response actions, and support initiation and ongoing coordination of those response actions. Four major functions are provided, which are, (1) Incidents Identification, (2) Response Formulation, (3) Response Implementation, and (4) Predict Hazardous Conditions. |
| 1.7.1 | Incident Management shall provide an Incident Identification function to identify incidents. |
| 1.7.1.1 | The Incident Identification function shall include the capability to identify predicted incidents. |
| 1.7.1.1.1 | The Incident Identification function shall use information from the following types of sources, where available, to identify predicted incidents: |
| 1.7.1.1.1(c) | Public safety sources. |
| 1.7.1.2 | The Incident Identification function shall include the capability to identify existing (both planned and unplanned) incidents. |
| 1.7.1.2.1 | The Incident Identification function shall use information from the following types of sources, where available, to identify existing incidents: |
| 1.7.1.2.1(c) | Public safety sources. |
| 1.7.1.2.1(d) | Media sources. |
| 1.7.1.2.1(f) | Transportation providers. |
| 1.7.1.2.2 | The Incident Identification function shall determine and continuously monitor at least the following characteristics of each existing incident: |
| 1.7.1.2.2(a) | Type (including Terrain Hazards). |
| 1.7.1.2.2(b) | Extent. |
| 1.7.1.2.2(d) | Location. |
| 1.7.1.2.2(e) | Expected duration. |
| 1.7.1.2.3 | The Incident Identification function shall determine and continuously monitor the current and expected traffic flow impact of each existing incident. |
| 1.7.2 | IM shall provide a Response Formulation function to formulate appropriate response actions to each identified incident and revise those actions when necessary. |
| 1.7.2.1 | The Response Formulation function shall propose and facilitate the appropriate scheduling of those predicted incidents that can be scheduled to minimize incident potential, incident impacts, and/or the resources required for incident management. |
| 1.7.2.2 | The Response Formulation function shall propose and facilitate the appropriate dispatch of emergency response vehicles to an incident. |
| 1.7.2.3 | The Response Formulation function shall propose and facilitate the appropriate dispatch of service vehicles to an incident. |
| 1.7.2.4 | The Response Formulation function shall propose and facilitate the appropriate dissemination of incident related information to travelers and potential travelers. |
| 1.7.2.5 | The Response Formulation function shall propose and facilitate the appropriate control of traffic signals and other traffic control to reduce the traffic flow impact of an incident. |
| 1.7.3 | IM shall include a Response Implementation function to provide the services to implement a response coordinated with all appropriate agencies. |
| 1.7.3.1 | The Response Implementation function shall provide at least the following decision support capabilities needed to implement coordinated incident response actions by all participating institutions: |
| 1.7.3.1(a) | Response Implementation shall allow coordinated selection/determination of the procedures, including alternate routes, needed for resolution of each incident and provide the procedures to those agencies responding to the incident. |
| 1.7.3.1(b) | Response Implementation shall provide the status of all resources needed for incident resolution to those agencies responding to the incident. |
| 1.7.3.2 | The Response Implementation function shall provide a link between Incident Management and all other user services necessary to implement incident response actions. |
| 1.7.3.3 | The Response Implementation function shall provide the capability to disseminate information relating to response status to other agencies and user services. |
| 1.7.4 | IM shall provide the capability to Predict Hazardous Conditions, including the time and location of hazardous conditions that may cause an incident. |
| 1.10 | HIGHWAY RAIL INTERSECTION |
| 1.10.3 | At all HRIs with active railroad warning systems, HRI shall manage the traffic in the intersection. |
| 1.10.3.3 | HRI shall provide an Intelligent Intersection Controller (IIC) function to manage highway and rail traffic in the intersection. |
| 1.10.3.3.5 | IIC function shall report real-time HRI traffic status as advisories or alerts. |
| 1.10.5 | HRI shall provide a High Speed Rail (HSR) Subservice for HRIs on rail lines with operational speeds between 80 and 125 MPH. |
| 1.10.5.2 | HSR shall provide special safety features to enhance safety. |
| 1.10.5.2.6 | HSR shall provide HRI status to highway vehicles as either a "STOP FOR TRAIN" or a "PROCEED" indication. |
| 7.0 | INFORMATION MANAGEMENT |
| 7.1 | ARCHIVED DATA FUNCTION |
| 7.1.0 | ITS shall provide an Archived Data Function to control the archiving and distribution of ITS data. The Archived Data User Service provides the Historical Data Archive Repositories and controls the archiving functionality for all ITS data with five major functions: 1) the Operational Data Control function to manage operations data integrity; 2) the Data Import and Verification function to acquire historical data from the Operational Data Control function; 3) the Automatic Data Historical Archive function for permanently archiving the data; 4) the Data Warehouse Distribution function, which integrates the planning, safety, operations, and research communities into ITS and processes data products for these communities; and 5) the ITS Community Interface which provides the ITS common interface to all ITS users for data products specification and retrieval. ADUS helps achieve the ITS information goal of unambiguous interchange and reuse of data and information throughout all functional areas. |
| 7.1.3 | The Archived Data Function shall include a Data Import and Verification (DIV) function to acquire historical data from the Operational Data Control function. |
| 7.1.3.1 | DIV shall be capable of importing selected ITS Operational data from the ITS Operational Repositories. |
| 7.1.3.1.9 | DIV shall be capable of importing data on ITS Physical Characteristics of Transportation Infrastructure to include: |
| 7.1.3.1.9(d) | Transportation facilities. |
| 8.0 | MAINTENANCE AND CONSTRUCTION MANAGEMENT |
| 8.1 | MAINTENANCE AND CONSTRUCTION OPERATIONS |
| 8.1.1 | Maintenance and Construction Operations shall provide a Maintenance Vehicle Fleet Management (MVFM) function to schedule and dispatch, monitor and track location, and monitor operational condition and maintenance requirements of public and contracted fleets of maintenance, construction, and specialized service vehicles. This function includes interactions among Traffic Managers, Supervisors, Dispatchers, Field Crews, Construction Crews, Vehicle Maintenance Crews, Equipment Maintenance Crews, Weather Services Organizations, and Information Service Providers. |
| 8.1.1.6 | MVFM shall be capable of providing dispatchers and operators of maintenance, construction, and specialized service vehicles with information regarding potential and actual roadway problems. |
| 8.1.1.6.1 | MVFM shall provide information to dispatchers and vehicle operators, including but not limited to: |
| 8.1.1.6.1(b) | Incidents |
| 8.1.2 | Maintenance and Construction Operations shall provide a Roadway Management (RWM) function to monitor traffic, road surface, and environmental conditions and forecast traffic and road surface conditions to support management of routine and hazardous road condition remediation and to communicate changes in conditions. This function includes interactions among Traffic Managers, Supervisors, Dispatchers, Field Crews, Construction Crews, Asset Managers, Planning Agencies, and Weather Services Organizations. |
| 8.1.2.1 | RWM shall support a number of different services, including but not limited to: |
| 8.1.2.1(c) | Emergency activities (incident response, planning, alternate routing, etc.) |
| 8.1.4 | Maintenance and Construction Operations shall provide a Roadway Maintenance Conditions and Work Plan Dissemination (RMCWPD) function to provide Intra- and Inter-agency coordination of work plans. This function includes interactions among Traffic Managers, Supervisors, Planning Agencies, Public Safety Organizations, and Information Service Providers. |
| 8.1.4.1 | RMCWPD shall coordinate information on planned maintenance and construction activities, including work zone information, and unplanned remediation activities, such as inclement weather responses, so that routing, scheduling, and resource allocation can be accomplished. |
| 8.1.4.2 | RMCWP shall support inter-agency coordination of response and scheduling of resources for significant events with broad impact, like natural disasters, major incidents, and large planned or seasonal events. |
| 8.1.4.3 | RMCWPD shall coordinate information with other transportation agencies, including but not limited to: |
| 8.1.4.3(a) | Public Safety |
| 8.1.4.3(b) | Emergency Medical Management |
| 8.1.4.3(d) | Traffic Management |
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