District of Columbia ITS Architecture

Interfaces:

Basic Information Broadcast

• The center shall disseminate traffic and highway condition information to travelers, including incident information, detours and road closures, event information, recommended routes, and current speeds on specific routes.
• The center shall disseminate maintenance and construction information to travelers, including scheduled maintenance and construction work activities and work zone activities.
• The center shall disseminate transit routes and schedules, transit transfer options, transit fares, and real-time schedule adherence information to travelers.
• The center shall disseminate parking information to travelers, including location, availability, and fees.
• The center shall disseminate toll fee information to travelers.
• The center shall disseminate weather information to travelers.
• The center shall disseminate event information to travelers.
• The center shall disseminate air quality information to travelers.
• The center shall provide the capability to support requests from the media for traffic and incident data.
• The center shall provide the capability for a system operator to control the type and update frequency of broadcast traveler information.

Infrastructure Provided Trip Planning

• The center shall include bicycle routes, walkways, skyways, and multi-use trails in the pre-trip and enroute directions it provides to travelers.
• The center shall support on-line route guidance for travelers using personal devices (such as PDAs).
• The center shall support on-line route guidance for drivers in vehicles.
• The center shall support on-line route guidance for specialty vehicles, such as commercial vehicles.
• The center shall generate route plans based on current and/or predicted conditions of the road network, scheduled maintenance and construction work activities, and work zone activities.
• The center shall generate route plans based on transit services, including fares, schedules, and requirements for travelers with special needs.
• The center shall generate route plans based on current asset restrictions, such as height and weight restrictions on tunnels or bridges.
• The center shall generate route plans based on current or forecasted weather.
• The center shall generate route plans based on ferry, rail, air, or other multimodal transportation data.
• The center shall exchange route segment information with other centers outside the area served by the local center.
• The center shall generate trips based on the use of more than one mode of transport.
• The center shall use the preferences and constraints specified by the traveler in the trip request to select the most appropriate mode of transport.
• The center shall provide the capability for the traveler to confirm the proposed trip plan.
• The center shall log route plans, particularly for special vehicles such as those containing hazardous materials, over-sized vehicles, or motorcades, with a traffic center.
• The center shall support an interface with a map update provider, or other appropriate data sources, through which updates of digitized map data can be obtained and used to determine vehicle and non-vehicle routes, trip planning, and on-line vehicle guidance.
• The center shall provide the capability for center personnel to control route calculation parameters.
• The center shall provide the capability to provide specific pre-trip and enroute directions to travelers (and drivers), including costs, arrival times, and transfer points.

ISP Emergency Traveler Information

ISP Traveler Data Collection

• The center shall collect, process, and store traffic and highway condition information, including incident information, detours and road closures, event information, recommended routes, and current speeds on specific routes.
• The center shall collect, process, and store maintenance and construction information, including scheduled maintenance and construction work activities and work zone activities.
• The center shall collect, process, and store transit routes and schedules, transit transfer options, transit fares, and real-time schedule adherence information.
• The center shall collect, process, and store parking information, including location, availability, and fees.
• The center shall collect, process, and store toll fee information.
• The center shall collect, process, and store current and forecast road conditions and surface weather conditions.
• The center shall collect, process, and store event information.
• The center shall collect, process, and store air quality information.
• The center shall collect, process, and store border crossing information.