ATIS04-Dynamic Route Guidance (Service Package*)

Description

This service package offers advanced route planning and guidance that is responsive to current conditions. The package combines the autonomous route guidance user equipment with a digital receiver capable of receiving real-time traffic, transit, and road condition information, which is considered by the user equipment in provision of route guidance.

Service Package Graphic

Personal Location DeterminationBasic Information BroadcastPersonal Autonomous Route GuidancePersonal Basic Information ReceptionVehicle Location DeterminationVehicle Autonomous Route GuidanceBasic Vehicle ReceptionISP Traveler Data CollectionVehicleInformation Service ProviderPersonal Information AccessTransit ManagementDriverTravelerLocation Data SourceMap Update ProviderLocation Data SourceMap Update ProviderTraffic Managementbroadcast traveler informationtraveler interface updatestransit and fare schedulestransit schedule adherence informationbroadcast traveler informationroad network conditionstraveler inputsdriver inputsdriver updatesmap updatesposition fixincident informationmap updatesposition fixtraffic images

Get the Source Graphic, a Windows Metafile (WMF), in ZIP format.
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Includes Architecture Flows:

Source Architecture Flow Destination In Graphic
Driver driver inputs Vehicle Yes
Information Service Provider ISP operations information presentation ISP Operator No
Information Service Provider broadcast traveler information Indicates that the associated architecture flow either has been or will be addressed by ITS Standards Personal Information Access Yes
Information Service Provider broadcast traveler information Indicates that the associated architecture flow either has been or will be addressed by ITS Standards Vehicle Yes
ISP Operator ISP operator inputs Information Service Provider No
Location Data Source position fix Personal Information Access Yes
Location Data Source position fix Vehicle Yes
Map Update Provider map updates Personal Information Access Yes
Map Update Provider map updates Vehicle Yes
Personal Information Access map update request Map Update Provider No
Personal Information Access traveler interface updates Traveler Yes
Traffic Management incident information Indicates that the associated architecture flow either has been or will be addressed by ITS Standards Information Service Provider Yes
Traffic Management road network conditions Indicates that the associated architecture flow either has been or will be addressed by ITS Standards Information Service Provider Yes
Traffic Management traffic images Indicates that the associated architecture flow either has been or will be addressed by ITS Standards Information Service Provider Yes
Transit Management transit and fare schedules Indicates that the associated architecture flow either has been or will be addressed by ITS Standards Information Service Provider Yes
Transit Management transit schedule adherence information Indicates that the associated architecture flow either has been or will be addressed by ITS Standards Information Service Provider Yes
Traveler traveler inputs Personal Information Access Yes
Vehicle driver updates Driver Yes
Vehicle map update request Map Update Provider No
    - This icon indicates that the associated architecture flow either has been or will be addressed by ITS Standards. Select the architecture flow for more information on relevant standards activities.

Associated Planning Factors and Goals

Planning Factor Goal
A. Support the economic vitality of the metropolitan area, especially by enabling global competitiveness, productivity, and efficiency; Support regional economic productivity and development
D. Increase the accessibility and mobility of people and for freight; Enhance mobility, convenience, and comfort for transportation system users
E. Protect and enhance the environment, promote energy conservation, improve the quality of life, and promote consistency between transportation improvements and State and local planned growth and economic development patterns; Reduce environmental impacts
G. Promote efficient system management and operation; Increase operational efficiency and reliability of the transportation system

Associated Objective Categories

Objective Category
Emergency/Incident Management: Person Hours of Delay
Freeway Management: Efficiency
Freight Management: Detours and Routing
Freight Management: Travel Time Reliability
Special Event Management: Entry/Exit Travel Times
System Efficiency: Cost of Congestion
System Efficiency: Delay
System Efficiency: Energy Consumption
System Efficiency: Intensity of Congestion (Travel Time Index)
System Efficiency: Travel Time
System Efficiency: Vehicle Miles Traveled
System Reliability: Non-Recurring Delay
System Reliability: Planning Time Index
System Reliability: Travel Time 90th/95th Percentile
System Reliability: Travel Time Buffer Index
System Reliability: Variability
Work Zone Management: Traveler Information

Associated Objectives and Performance Measures

Objective Performance Measure
Annual rate of change in regional average commute travel time will not exceed regional rate of population growth through the year Y. Average commute trip travel time (minutes).
Decrease the average buffer index for (multiple routes or trips) by X percent over Y years. The buffer index represents the extra time (buffer) most travelers add to their average travel time when planning trips. This is the extra time between the average travel time and near-worst case travel time (95th percentile). The buffer index is stated as a percentage of the average travel time. Average buffer index or buffer time can be calculated using miles traveled as a weighting factor. Buffer time = 95th percentile travel time (min) – average travel time (min).
Decrease the buffer index for (specific travel routes) by X percent over the next Y years. The buffer index represents the extra time (buffer) most travelers add to their average travel time when planning trips. This is the extra time between the average travel time and near-worst case travel time (95th percentile). The buffer index is stated as a percentage of the average travel time. Average buffer index or buffer time can be calculated using miles traveled as a weighting factor. Buffer time = 95th percentile travel time (min) – average travel time (min).
Improve average travel time during peak periods by X percent by year Y. Average travel time during peak periods (minutes).
Provide freight operators with traveler alerts and alternate routes in the case of incidents, special events, weather, construction, and severe congestion at choke points on X percent of freight-significant routes by year Y. Percent of freight-significant routes where traveler alerts and alternate route information is provided in the case of incidents, special events, weather, construction, and severe congestion at choke points.
Provide traveler information regarding work zones using variable message signs (VMS), 511, traveler information websites, and/or Web 2.0 technologies for at least X percent of work zones on major arterials, freeways, and transit routes over the next Y years. Percent of work zones on major arterials, freeways, and transit routes for which traveler information is available via variable message signs (VMS), 511, traveler information websites, and/or Web 2.0 technologies.
Provide travelers with information on multimodal alternatives to avoid work zones for at least X percent of work zones on major arterials, freeways, and transit routes over the next Y years. Percent of work zones on major arterials, freeways, and transit routes for which information on multimodal alternatives to avoid work zones is available to travelers.
Reduce average time to clear event's exiting queue by X percent in Y years. Average time to clear event's exiting queue by year per event.
Reduce average travel time into and out of the event by X percent in Y years. Average travel time away from selected special events to a set of locations over a year.
Reduce average travel time into and out of the event by X percent in Y years. Average travel time to selected special events from a set of locations in the area over a year.
Reduce buffer index on regional freight routes during peak and off-peak periods by X percent in Y years. Buffer Index on regional freight routes during peak and off-peak period.
Reduce buffer time index for travelers to multiple similar special events by X percent in Y years. Buffer time index for travelers to multiple similar special events.
Reduce excess fuel consumed due to congestion by X percent by year Y. Excess fuel consumed (total or per capita).
Reduce hours of delay per capita by X percent by year Y. Hours of delay (person-hours).
Reduce hours of delay per capita by X percent by year Y. Hours of delay per capita.
Reduce hours of delay per driver by X percent by year Y. Hours of delay (person-hours).
Reduce hours of delay per driver by X percent by year Y. Hours of delay per driver.
Reduce non-special event VMT in the event area during events by X percent in Y years. Non-special event VMT in the event area during events over a year.
Reduce the 90th (or 95th) percentile travel times for each route selected by X percent over Y years. 95th or 90th percentile travel times for selected routes.
Reduce the annual monetary cost of congestion per capita for the next X years. Cost (in dollars) of congestion or delay per capita.
Reduce the average buffer time needed to arrive on-time for 95 percent of trips on (specified routes) by X minutes over Y years. The buffer index represents the extra time (buffer) most travelers add to their average travel time when planning trips. This is the extra time between the average travel time and near-worst case travel time (95th percentile). The buffer index is stated as a percentage of the average travel time. Average buffer index or buffer time can be calculated using miles traveled as a weighting factor. Buffer time = 95th percentile travel time (min) – average travel time (min).
Reduce the average of the 90th (or 95th) percentile travel times for (a group of specific travel routes or trips in the region) by X minutes in Y years. 95th or 90th percentile travel times for selected routes.
Reduce the average planning time for (specific routes in region) by X minutes over the next Y years. The planning time index represents the time that must be added to travel time at free-flow speeds or the posted speed limit to ensure on time arrivals for 95 percent of the trips. Planning time = 95th percentile travel time (minutes) – Travel time at free-flow speed or posted speed limit. Average planning time index or planning time can be computed using a weighted average over person miles traveled.
Reduce the average planning time index for (specific routes in region) by X (no units) over the next Y years. The planning time index represents the time that must be added to travel time at free-flow speeds or the posted speed limit to ensure on time arrivals for 95 percent of the trips. Planning time = 95th percentile travel time (minutes) – Travel time at free-flow speed or posted speed limit. Average planning time index or planning time can be computed using a weighted average over person miles traveled.
Reduce the number of person hours (or vehicle hours) of delay experienced by travelers on the freeway system. Hours of delay (vehicle-hours or person-hours).
Reduce the number of person hours (or vehicle hours) of delay experienced by travelers on the freeway system. Hours of delay per capita or driver.
Reduce the person hours (or vehicle hours) of total delay associated with traffic incidents by X percent over Y years. Person hours (or vehicle hours) of delay associated with traffic incidents.
Reduce the regional average travel time index by X percent per year. Travel time index (the average travel time during the peak period, using congested speeds, divided by the off-peak period travel time, using posted or free-flow speeds).
Reduce the share of freeway miles at Level of Service (LOS) X by Y by year Z. Miles at LOS X or V/C > 1.0 (or other threshold).
Reduce the variability of travel time on specified routes by X percent during peak and off-peak periods by year Y. Variance of travel time. Variance is the sum of the squared deviations from the mean. This can also be calculated as the standard deviation of travel time. Standard deviation is the square root of variance.
Reduce total energy consumption per capita for transportation by X percent by year Y. Total energy consumed per capita for transportation.
Reduce total fuel consumption per capita for transportation by X percent by year Y. Total fuel consumed per capita for transportation.
Reduce total person hours of delay (or travel-time delay per capita) by time period (peak, off-peak) caused by all transient events such as traffic incidents, special events, and work zones. Total person hours of delay during scheduled and/or unscheduled disruptions to travel.
Reduce total person hours of delay (or travel-time delay per capita) by time period (peak, off-peak) caused by scheduled events, work zones, or system maintenance by x hours in y years. Travel time delay during scheduled and/or unscheduled disruptions to travel.
Reduce total person hours of delay (or travel-time delay per capita) by time period (peak, off-peak) caused by unscheduled disruptions to travel. Total person hours of delay during scheduled and/or unscheduled disruptions to travel.
Reduce vehicle miles traveled per capita by X percent by year Y. Average VMT per capita per day, per week, or per year.

 
Since the mapping between objectives and service packages is not always straight-forward and often situation-dependent, these mappings should only be used as a starting point. Users should do their own analysis to identify the best service packages for their region.

Related ITS Applications of ITS Taxonomy

Classification Category ITS Application Area ITS Application(s)
Intelligent Vehicles Driver Assistance Navigation/Route Guidance

User Services related to this Service Package:

User Service
1.3 Route Guidance
1.5 Traveler Services Information

Transaction Set Diagram





The source graphic, a Windows Metafile (WMF), for the TSD can be downloaded here: TSD

The following discusses how the National ITS Architecture provides the transportation service described by this service package. Each numbered item describes the operation of that portion of the service package identified with the corresponding number on the transaction set diagram.

  1. The entire process is under the asynchronous monitoring (ISP operations information presentation) and control (ISP operator inputs) by the ISP Operator.

  2. Periodically, possibly by subscription or by regularly scheduled requests, vehicle systems and personal devices may request (map update request) and download map updates from a Map Update Provider.

  3. All (or selected) collected road network conditions, traffic images and incident information can be provided by the Traffic Management Subsystem to Information Service Providers as either a direct response to requests or as subscription transactions. The information might also be pushed solely by the Traffic Management Subsystem according to a pre-arranged agreement.

  4. All (or selected) transit and fare schedules and transit schedule adherence information can be received by Information Service Providers as either direct response to their requests or as subscription transactions. The schedules might also be pushed solely by the Transit Management Subsystem according to a pre-arranged agreement.

  5. Optionally, asynchronously, and as often as desired, a traveler may request (traveler inputs) a route using a personal computing device (PDA, cell phone, or other mobile device).

  6. Once a route is requested by the traveler, a continuous cycle occurs, consisting of these steps: the updated position of the traveler (position fix) is obtained, the Information Service Provider sends real-time, route-affecting information (broadcast traveler information), the Personal Information Access Subsystem computes the best route from the current position to the destination, and then the next route guidance instructions (traveler interface updates) is provided to the traveler.

  7. Optionally, asynchronously, and as often as desired, a driver may request (driver inputs) a route from the vehicle.

  8. Once a route is requested by the driver (driver inputs), a continuous cycle occurs, consisting of these steps: the updated position of the driver (position fix) is obtained, real-time, the Information Service Provider sends route-affecting information (broadcast traveler information), the Vehicle Subsystem computes the best route from the current position to the destination, and then the next route guidance instructions (driver updates) is provided to the driver.