6 - Provide Driver and Traveler Services DFD

The processes in this DFD are responsible for multimodal trip planning, route guidance, and advisory functions such as traffic and incident information, for all types of travelers and drivers. It also enables them to confirm and pay for yellow pages services and provides personal emergency notification functions. The driver interface to the Provide Vehicle Monitoring and Control functions is provided, as is that to other functions, to enable advisory information to be output to both drivers and travelers. The multimodal trip planning function enables trips to include private car and regular transit modes, plus ridesharing, demand responsive transit and other modes such as walking, cycling, etc. Links are also provided to multimodal transportation service providers so that travelers may use modes such as heavy rail and airlines as part of their trips. Both centralized dynamic and autonomous modes of on-line guidance are provided for drivers and travelers, with drivers also being able to use current link journey times as part of the autonomous vehicle guidance. 511 traveler information systems are supported. Travelers are provided with wide area alerts for natural and man-made disasters. Traveler may subscribe to traveler information alerts based on user-configurable parameters.

The User Service Requirements that are included in this functional process tree are:
1.1 Pre-Trip Travel Information
1.2 En Route Driver Information
1.3 Route Guidance
1.4 Ride Matching and Reservation
1.5 Traveler Services Information
2.2 En Route Transit Information
5.1 Emergency Notification and Personal Security

The key points about the function are as follows:

Travelers may plan, confirm and be guided along single mode or multimodal trips;
En route advisory traffic and transit information provided for drivers and travelers aboard transit vehicles;
Drivers may obtain broadcast traveler information via short range communications field equipment;
Drivers are provided with a vehicle interface for automatic control and output of warning/safety messages;
Travelers (including those aboard transit vehicles) may obtain information on and pay for yellow pages services;
Travelers may obtain event information;
Travelers may receive wide area alert notification in the case of natural and man-made disasters, child abductions, etc.;
Travelers may receive traveler information alerts based on user-configurable parameters;
Vehicle and personal traveler guidance may be provided dynamically or autonomously;
Dynamic guidance provided centrally using current traffic and transit information;
Autonomous guidance using in-vehicle data that can be supplemented with current traffic information;
Autonomous personal traveler guidance using a personal navigable database;
Traveler may use home, office, or travel agent’s computer, kiosk, or personal portable device (ppd);
Personal security provided for drivers and travelers through personal portable devices and kiosks;
511-type traveler information systems are supported;
Traveler information may be shared with other transportation operations centers.

The following processes are subordinate to this DFD:
a) Provide Trip Planning Services (DFD 6.1)
b) Collect ISP Services Data (DFD 6.2)
c) Provide Traveler Services at Kiosks (DFD 6.3)
d) Manage Ridesharing (DFD 6.4)
e) Provide Traveler Information Services (DFD 6.5)
f) Provide Guidance and Routing Services (DFD 6.6)
g) Provide Driver Personal Services (DFD 6.7)
h) Provide Traveler Personal Services (DFD 6.8)
i) Manage Traveler Info Archive Data (6.9)
j) Manage Traveler Profiles (DFD 6.10)

The term “ISP” is used in this function. It stands for Information Service Provider, and is the generic name given to the functional entity that is actually implementing the back-office functions of this facility. Thus an ISP operator is someone who works for the ISP organization in much the same way as transit operations personnel.

DFD: 6 - Provide Driver and Traveler Services

Parent DFD: 0 - Manage ITS

Child DFDs:

PSpecs in this DFD: