District of Columbia ITS Architecture

District Public Traveler Information System

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Description

Development of a District Traveler information system possibly including a 511 system. Considering cell phones and social networking usage for information distribution.

Status

Planned

Timeframe

Medium

Geographic Scope

Service Scope

Stakeholders

DDOT Transportation Operations Administration

Inventory

DDOT PTSA Kiosks

District Traveler Information System

Private Newspaper, Television, Radio Stations, and Social Networking

Private Traveler Information Device

Private Traveler Vehicles

Services

ATIS01-2 - Broadcast Traveler Information - District Public Traveler Information System- Inputs

ATIS01-3 - Broadcast Traveler Information - District Public Traveler Information System-Outputs

ATIS02-1 - Interactive Traveler Information - District Public Traveler Information System

Functional Areas

Interactive Infrastructure Information

• The center shall accept traveler profiles for determining the type of personalized data to send to the traveler.
• The center shall disseminate customized event information to travelers upon request.
• The center shall disseminate customized maintenance and construction information to travelers, including scheduled maintenance and construction work activities and work zone activities upon request.
• The center shall disseminate customized multimodal transportation service information (for example, from ferry and airline operators), including transfer points and other information, to travelers upon request.
• The center shall disseminate customized parking information to travelers, including location, availability, and fees upon request.
• The center shall disseminate customized traffic and highway condition information to travelers, including incident information, detours and road closures, recommended routes, and current speeds on specific routes upon request.
• The center shall disseminate customized transit routes and schedules, transit transfer options, transit fares, and real-time schedule adherence information to travelers upon request.
• The center shall disseminate customized weather information to travelers upon request.
• The center shall manage payment for services, such as tolls, transit fares, parking lot charges, map updates, and advanced payment for tolls, and provide transaction success or failure details.
• The center shall manage updates of digitized map data and provide updates to traveler interface systems upon request.
• The center shall provide all traveler information based on the traveler's current location or a specific location identified by the traveler, and filter or customize the provided information accordingly.
• The center shall provide the capability for a system operator to control the type and update frequency of traveler information.
• The center shall provide the capability to support requests from the media for traffic and incident data.

ISP Traveler Data Collection

• 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 maintenance and construction information, including scheduled maintenance and construction work activities and work zone activities.
• The center shall collect, process, and store parking information, including location, availability, and fees.
• 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 transit routes and schedules, transit transfer options, transit fares, and real-time schedule adherence information.

ISP Traveler Information Alerts

• The center shall accept traveler profiles that define alert thresholds that establish the severity and types of alerts that are provided to each traveler.
• The center shall accept traveler profiles that establish recurring trip characteristics including route, mode, and timeframe information.
• The center shall disseminate personalized event alerts reporting special event impacts on the transportation system.
• The center shall disseminate personalized multimodal transportation service alerts including ferry and air travel delays, port closures, and service interruptions.
• The center shall disseminate personalized parking alerts reporting parking availability and closures.
• The center shall disseminate personalized road weather alerts reporting adverse road and weather conditions.
• The center shall disseminate personalized traffic alerts reporting congestion, incidents, delays, detours and road closures that may impact a current or planned trip.
• The center shall disseminate personalized transit alerts reporting transit delays and service interruptions.
• The center shall provide an operator interface that supports monitoring and management of subscribers and the content and format of alert messages.

Traveler Telephone Information

• The center shall provide current ferry and rail schedule and airport status information in the requested voice format and for the requested location.
• The center shall provide information on traffic conditions in the requested voice format and for the requested location.
• The center shall provide roadway environment conditions information in the requested voice format and for the requested location.
• The center shall provide the capability to process dual-tone multifrequency (DTMF)-based requests (touch-tone) for traveler information from a traveler telephone information system.
• The center shall provide the capability to process traveler information requests from a traveler telephone information system.
• The center shall provide the capability to process voice-formatted requests for traveler information from a traveler telephone information system, and return the information in the requested format.
• The center shall provide the capability to support both specific caller requests as well as bulk upload of regional traveler information.
• The center shall provide transit service information in the requested voice format and for the requested location.
• The center shall provide weather and event information in the requested voice format and for the requested location.
• The center shall provide work zone and roadway maintenance information in the requested voice format and for the requested location.
• The center shall receive and forward region-specific wide-area alert and advisory information to the traveler telephone information system, including major emergencies such as a natural or man-made disaster, civil emergency, child abductions, severe weath

Interfaces

Source	Architecture Flows	Destination
DDOT PTSA Kiosks	traveler request	District Traveler Information System
DDOT Public Information Office	incident information_ud	District Traveler Information System
DDOT Public Information Office	road network conditions_ud	District Traveler Information System
DDOT TMC	road network conditions	District Traveler Information System
DDOT TMC	road weather information_ud	District Traveler Information System
DDOT TMC	traffic images_ud	District Traveler Information System
District Traveler Information System	broadcast traveler information	DDOT PTSA Kiosks
District Traveler Information System	interactive traveler information	DDOT PTSA Kiosks
District Traveler Information System	broadcast traveler information	Private Traveler Information Device
District Traveler Information System	interactive traveler information	Private Traveler Information Device
District Traveler Information System	traveler alerts	Private Traveler Information Device
District Traveler Information System	broadcast traveler information	Private Traveler Vehicles
District Traveler Information System	interactive traveler information	Private Traveler Vehicles
District Traveler Information System	traveler alerts	Private Traveler Vehicles
District Traveler Information System	broadcast traveler information	WMATA Kiosks
Private Newspaper, Television, Radio Stations, and Social Networking	external reports	District Traveler Information System
Private Traveler Information Device	traveler profile	District Traveler Information System
Private Traveler Information Device	traveler request	District Traveler Information System
Private Traveler Vehicles	traveler profile	District Traveler Information System
Private Traveler Vehicles	traveler request	District Traveler Information System
Regional Bike/ Car Sharing	multimodal information	District Traveler Information System
RITIS	incident information_ud	District Traveler Information System
RITIS	road network conditions_ud	District Traveler Information System
WMATA Bus Operations Control Center	transit and fare schedules	District Traveler Information System
WMATA Bus Operations Control Center	transit incident information	District Traveler Information System
WMATA Bus Operations Control Center	transit schedule adherence information	District Traveler Information System
WMATA Customer Information Systems	ISP coordination	District Traveler Information System
WMATA Rail Operations Control Center	transit and fare schedules	District Traveler Information System
WMATA Rail Operations Control Center	transit incident information	District Traveler Information System
WMATA Rail Operations Control Center	transit schedule adherence information	District Traveler Information System

Standards

SDO	Document ID	Title	Type
AASHTO/ITE/NEMA	View List	NTCIP Center-to-Center Standards Group	Group
ASTM/IEEE/SAE	View List	Dedicated Short Range Communication at 5.9 GHz Standards Group	Group
SAE	View List	Advanced Traveler Information Systems (ATIS) General Use Standards Group	Group
SAE	View List	Advanced Traveler Information Systems (ATIS) Bandwidth Limited Standards Group	Group
AASHTO/ITE	ITE TMDD	Traffic Management Data Dictionary (TMDD) and Message Sets for External Traffic Management Center Communications (MS/ETMCC)	Message/Data
APTA	APTA TCIP-S-001 3.0.3	Standard for Transit Communications Interface Profiles	Message/Data

Operational Concepts

Stakeholder	Roles and Responsibilities
DDOT Transportation Operations Administration
	Provide traffic information to travelers via traffic information devices on District-owned roadways (e.g., DMS and HAR equipment), and through local ISPs and web sites.
	Provide traffic information to travelers via website, 511 system, information service providers, and the media.