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Presented By:

• Dr. Kitty Hancock, Associate Professor, Dept. of CEE, Virginia Tech.• Mesbah Islam, Graduate Student, Dept. of CEE, Virginia Tech.

Different public transportation modes.

Improving public transportation service quality.

Different advanced technologies to improve public transportation service quality.

More information is available on http://www.a3methods.com

http://www.a3methods.com/

Bus and coach Train Airline Van pool service Ferry Para transit Cable car



Travel time and reliability are two major factors of public transportation service quality.

The adoption of advanced technologies can help transit agencies improve overall service quality of public transportation systems.



Vehicle-to-vehicle communication GPS tracking systems to adjust transit vehicle

schedule Lightweight transit bus Transit signal priority Improved intermodal transportation systems Tracking transit parking spaces



V2V communication technology allows vehicles communicate with each other in a given area.

V2V communication will be able to reduce traffic crashes and increase mobility, which public transportation will benefit from.

It will also be able to promote driverless vehicles.


A typical V2V communicationscenario


Ford demonstrate that V2V communication uses Wi-Fi and GPS to wirelessly talk to each other to reduce traffic jam, crashes, and increase driver mobility.

A video clip on V2V technologydeveloped by Ford



GPS tracking technology can Track real-time location and speed of buses and trains.

The information provided by the tracking system help adjust transit vehicle schedule continuously.

GPS vehicle tracking allows managers to monitor the movement of fleet vehicles such as city buses from a remote location



The GPS tracking system can make the real-time schedule available to transit users.

A demo of GPS tracking system developed by SIGTEC



Lightweight buses are fuel efficientand has double the efficiency of conventional hybrid buses.

Because a lightweight bus takes less energy to move, it provides high fuel efficiency and lowers operating cost of vehicles significantly.

Bus structure is strong because buses are usually made of Nitronic 30, a nitrogen-strengthened stainless steel, which is stronger and stiffer than conventional steel.



In the above video, Altair ProductDesignexplains how the company utilized a simulation driven design approach in the development of lightweight buses.



Transit signal priority (TSP) systems allow the transit vehicles to progress through a signalized intersection by advancing or extending the green phase.

TSP can help reduce transit travel times, improve bus schedule adherence and reduce vehicle-operating costs.

TSP improves schedule adherence by enabling vehicles to request priority when behind schedule.



A video demonstration on TSP technology by GTT



Building modern intermodal transportation hubs is a great way to provide improved intermodal transportation systems.

It can increase traffic mobility by connecting rail, airplane, and bus transit systems.

A number of U.S. cities (e.g. City of Sacramento and St. Paul) have built transportation hubs to efficiently connect all modes of transportation at the hubs.



A video clip on St. Paul’s transportation hub



The parking space tracking systems can assure riders of real-time availability of parking spaces at transit stations.

It can increase transit ridership.

The real-time parking space availability can be obtained in mobile devices.



In the above video clip, Mayor Bloomberg announces a pilot program to test out parking space tracking technology for NY city.



GPS, GIS, software programming, remote sensing etc. are used to automatically inspect defects in rail tracks.

Some systems use ground-penetrating radar, laser, geographic information system and GPS to automatically check rail track.

The agencies can use visualization tools to evaluate the collected data and act accordingly.



The above video clip demonstrates a system developed by University of Central Florida (UCF) to detect defects of railroad tracks by automated visual inspection.



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