Skip to main content

GPS-based virtual detection zones improve bus travel times

San Antonio, Texas’ new Via Primo will be kept on schedule with minimal impact on individual traffic flow with the implementation of a GPS-based bus rapid transit system that allows the bus to automatically request a green light when it is behind schedule and approaching a busy intersection.
July 5, 2013 Read time: 2 mins
San Antonio, Texas’ new Via Primo will be kept on schedule with minimal impact on individual traffic flow with the implementation of a GPS-based bus rapid transit system that allows the bus to automatically request a green light when it is behind schedule and approaching a busy intersection.

189 Siemens Road and City Mobility business has worked with 629 Trapeze Group to create the new transit signal priority (TSP) solution which uses a ‘virtual’ GPS-based detection zone for transit vehicle traffic management without requiring physical detector equipment at the intersection.

The intelligent transportation system operates through Siemens NextConnect software and Trapeze Group’s GPS system. When a bus is in a virtual detection zone, the transit system sends a signal priority request to the Siemens i2 traffic management system. The request is relayed to the intersection traffic controller which requests the traffic system to provide a green light for the approaching transit vehicle

Identifying the need for a new bus rapid transit (BRT) system, San Antonio’s Via Metropolitan Transit wanted to avoid the construction delays and increased costs associated with adding new hardware on the street. The ‘virtual’ detection zones are installed digitally on city traffic servers and are easily adjusted in response to changes in traffic flow due to special events or construction. The flexibility also means VIA and the city can add BRT lines around the region by simply creating a new route and configuring the new detection zones accordingly.

“This solution allows passengers to get to their destination on time, and it will ultimately encourage more usage of the bus system as reliability improves, reducing congestion and greenhouse emissions as people switch from car to bus travel,” said Frank LoPresti, vice president of Siemens Road and City Mobility business.

“Via has been a valued Trapeze customer for more than fifteen years, and they are an award-winning agency for good reason. Their systems and processes are state of the art, and their customer-centric focus is to be applauded,” stated John Hines, president of Trapeze Group.

For more information on companies in this article

Related Content

  • Portland puts priority software into service
    August 25, 2022
    TriMet deploys Lyt's intelligent transit signal system for improved traffic flow
  • ITS America 2016 demos feature V2I technology, truck cruise control, ADAS and more
    June 3, 2016
    ITS America 2016 San Jose, a new show representing this transformative moment in intelligent transportation, is centred on the theme “Integrated Mobility. Transportation Redefined.” Some of the intelligent systems redefining transportation will be on display – running, operating, waiting for close-up inspection and hands-on participation as part of “#THISisITS Exhibits and Demonstrations,” Monday, June 13, through Wednesday, June 15. For full information and registration options, visit www.itsamerica2016.or
  • Real time GPS tracking on school buses drives efficiencies
    January 25, 2012
    Application of real time GPS tracking to school buses is driving operational efficiencies and allowing parents to follow their childern's movements, report Jason Barnes
  • UK city pilots I2V technology
    April 27, 2015
    New technology which communicates between traffic signals and motorists to help the way they drive is being rolled out across Newcastle as part of a joint cooperative project with Siemens. In the first pilot of its kind in the UK, the system links an in-vehicle communication system directly with the city’s urban traffic management centre (UTMC), the infrastructure will ‘communicate’ directly with motorists, giving certain vehicles priority at junctions. Initially, the system has been fitted to non-emerge