| 1.0 | TRAVEL AND TRAFFIC MANAGEMENT |
| 1.2.0 | ITS shall include an En-Route Driver Information (DI) function. Driver Information provides vehicle drivers with information, while en-route, which will allow alternative routes to be chosen for their destination. Driver Information consists of two major functions which are (1) Driver Advisory and (2) In-vehicle Signing. The potential decrease in traffic may also provide benefits in highway safety, reduced air pollution, and decreased congestion. |
| 1.2.1.5 | DI shall include a driver advisory capability and an in-vehicle signing capability. |
| 1.2.3 | DI shall provide an in-vehicle signing capability. |
| 1.2.3.2 | The DI in-vehicle signing function shall include a long term capability to serve more of the traveler's needs. |
| 1.2.3.2.2 | The long term in-vehicle signing function shall provide the capability to customize warnings. |
| 1.2.3.2.2.1 | The customized warnings function shall provide the capability to control the contents of warning messages to the extant environmental conditions. |
| 1.2.3.2.5 | The in-vehicle signing function shall provide travelers with precautionary reminder messages. |
| 1.3.0 | ITS shall include a Route Guidance (RG) function. Route Guidance will provide travelers with directions to selected destinations. Four functions are provided which are (1) Provide Directions, (2) Static Mode, (3) Real-Time Mode, and (4) User Interface. |
| 1.3.3 | RG shall include a Real-Time Mode for issuing information to travelers. |
| 1.3.3.1 | The Real-Time Mode shall utilize current travel condition information to provide performance that is enhanced over the Static Mode performance, to include, but not be limited to, the following: |
| 1.5 | TRAVELER SERVICES INFORMATION |
| 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(e) | In-vehicle computers. |
| 1.6 | TRAFFIC CONTROL |
| 1.6.4 | The Control Function 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. |
| 1.8 | TRAVEL DEMAND MANAGEMENT |
| 1.8.1 | TDM shall include a communications function. |
| 1.8.1.6 | The communications function shall include the capability for two-way communications with other ITS user services including, but not limited to, the following: |
| 1.8.1.6(c) | Driver Information. |
| 6.0 | ADVANCED VEHICLE SAFETY SYSTEMS |
| 6.1 | LONGITUDINAL COLLISION AVOIDANCE |
| 6.1.0 | ITS Shall include a Longitudinal Collision Avoidance Service. |
| 6.1.1 | Longitudinal Collision Avoidance Service shall include a Rear-End Subservice. |
| 6.1.1.1 | Rear-End Subservice shall be provided by a Headway Maintenance System which assists in maintaining a safe relative longitudinal separation between vehicles. |
| 6.1.1.1.1 | Headway Maintenance System shall include a Manual Operations Subsystem. |
| 6.1.1.1.1.1 | Manual Operations Subsystem shall determine impending situations that are inconsistent with safe headway. |
| 6.1.1.1.1.2 | Manual Operations Subsystem shall alert the vehicle's driver of the need for speed control to maintain a safe headway. |
| 6.1.1.1.2 | Headway Maintenance System shall include an Autonomous Intelligence Cruise Control (AICC) Subsystem. |
| 6.1.1.2 | Rear-End Subservice shall be provided by a Driver Action System |
| 6.1.1.2.1 | Driver Action System shall inform the driver of the need for immediate collision avoidance action. |
| 6.1.1.3 | Rear-End Subservice shall be provided by an Automatic Control System. |
| 6.1.1.3.1 | Automatic Control System shall automatically implement needed collision avoidance action. |
| 6.1.2 | Longitudinal Collision Avoidance Service shall include a Backing Subservice. |
| 6.1.2.1 | Backing Subservice shall be provided by an Advisory System. |
| 6.1.2.1.1 | Advisory System shall notify the driver of the presence of potentially hazardous situations. |
| 6.1.2.2.1 | Driver Action System shall inform the driver of the need for immediate collision avoidance action. |
| 6.1.2.3.1 | Automatic Control System shall automatically implement needed collision avoidance action. |
| 6.2 | LATERAL COLLISION AVOIDANCE |
| 6.2.0 | ITS shall include a Lateral Collision Avoidance Service. |
| 6.2.1 | Lateral Collision Avoidance Service shall include a Lane Change/Merge Subservice. |
| 6.2.1.1 | Lane Change/Merge Subservice shall be provided by an Advisory System. |
| 6.2.1.1.1 | Advisory System shall notify the driver of the presence of potentially hazardous situations. |
| 6.2.1.2 | Lane Change/Merge Subservice shall be provided by a Driver Action System. |
| 6.2.1.2.2 | Driver Action System shall inform the driver of the need for immediate collision avoidance action. |
| 6.2.1.3 | Lane Change/Merge Subservice shall be provided by an Automatic Control System. |
| 6.2.1.3.1 | Automatic Control System shall automatically implement needed collision avoidance action. |
| 6.2.2 | Lateral Collision Avoidance Service shall include a Single Vehicle Roadway Departure (SVRD) Subservice. |
| 6.2.2.1 | Single Vehicle Roadway Departure Subservice shall be provided by an Advisory System. |
| 6.2.2.1.1 | Advisory System shall notify the driver of the presence of a potentially hazardous situation. |
| 6.2.2.2 | Single Vehicle Roadway Departure Subservice shall be provided by a Driver Action System. |
| 6.2.2.2.1 | Driver Action System shall inform the driver of the need for immediate collision avoidance action. |
| 6.2.2.3 | Single Vehicle Roadway Departure Subservice shall be provided by an Automatic Control System. |
| 6.2.2.3.1 | Automatic Control system shall automatically implement needed collision avoidance action. |
| 6.3 | INTERSECTION COLLISION AVOIDANCE |
| 6.3.0 | ITS shall include an Intersection Crash Collision Avoidance Service. |
| 6.3.1 | Intersection Collision Avoidance Service shall be provided by an Advisory System. |
| 6.3.1.1 | Advisory System shall notify the driver of the presence of potentially hazardous situations. |
| 6.3.2 | Intersection Collision Avoidance Service shall be provided by a Driver Action System. |
| 6.3.2.1 | Driver Action System shall notify the driver of the need for immediate collision avoidance action. |
| 6.3.3 | Intersection Collision Avoidance Service shall be provided by an Automatic Control System. |
| 6.3.3.1 | Automatic Control system shall automatically implement needed collision avoidance action. |
| 6.5 | SAFETY READINESS |
| 6.5.0 | ITS shall include a Safety Readiness Service. |
| 6.5.1 | Safety Readiness Service shall include a Driver Monitor Subservice. |
| 6.5.1.1 | Driver Monitor Subservice shall be provided by an Advisory/Control System |
| 6.5.1.1.1 | Advisory/Control System shall determine the driver's readiness. |
| 6.5.1.1.2 | Advisory/Control System shall notify the driver of need to take corrective action. |
| 6.5.1.1.3 | Advisory/Control System shall automatically counteract insufficient driver's readiness to operate the vehicle by safely stopping the vehicle. |
| 6.5.2 | Safety Readiness Service shall include a Vehicle Condition Subservice. |
| 6.5.2.1 | Vehicle Condition Subservice shall be provided by an Advisory System. |
| 6.5.2.1.1 | Advisory System shall determine the condition of critical vehicle components. |
| 6.5.2.1.2 | Advisory System shall notify the driver of need to take corrective action. |
| 6.5.3 | Safety Readiness Service shall include an Infrastructure Condition Subservice. |
| 6.5.3.1 | Infrastructure Condition Subservice shall be provided by an In-Vehicle Infrastructure Advisory System. |
| 6.5.3.1.1 | In-Vehicle Infrastructure Advisory System shall determine unsafe roadway conditions. |
| 6.5.3.1.2 | In-Vehicle Infrastructure Advisory System shall a notify the driver of the need to take corrective action. |
| 6.6 | PRE-CRASH RESTRAINT DEPLOYMENT |
| 6.6.1 | Pre-Crash Restraint Deployment Service shall be provided by an Automatic Activation System. |
| 6.6.1.1 | Automatic Activation System shall detect an impending collision with a moving or a stationary object prior to crash impact. |
| 6.6.1.2 | Automatic Activation System shall initiate pre-impact deployment of restraint devices when appropriate to reduce injury severity. |
| 6.7 | AUTOMATED VEHICLE OPERATION |
| 6.7.0 | ITS shall include a Automated Vehicle Operation Service (AVO). |
| 6.7.1 | AVO service shall be provided by an Automated Highway System (AHS); the Target Level System. |
| 6.7.1.3 | AHS shall include an Automated Check-Out Subsystem (ACOS). |
| 6.7.1.3.1 | ACOS shall determine the readiness of the vehicle operator to resume control of the vehicle. |
| 6.7.2 | AVO service shall be provided by a Partially Automated Highway System (PAHS) as a Transitional System. |
| 6.7.2.1 | PAHS shall include Vehicle Subsystems which utilize capabilities of collision avoidance systems and other systems to implement safe "platooning" and other transitional levels of performance. |
| 6.7.2.3 | PAHS shall include a Driver Subsystem which utilizes capabilities of driver alertness systems and other systems to assist in managing vehicles in situations other than full automatic control. |
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