This article needs to be updated. (September 2013) |
Selective vehicle detection is, or was, the name of a bus priority system used by London Buses to allow traffic signals to selectively favour buses' movement through intersection by changing traffic light sequences and timings as buses approach.
As of 2007[update], the system worked using 'bus detectors' mounted on lampposts and similar posts by the side of the road, which detect transmission made by transmitters aboard buses, developed as part of Transport for London's Countdown bus tracking system.[1] TfL was, at that time, considering whether to use newer, GPS-based, bus location systems to supplant the existing beacon-based infrastructure.[1]
As of 2011[update], a new bus location system, Countdown II, was in the process of being commissioned.[2]
See also edit
References edit
- ^ a b The way ahead for London's bus priority at traffic signals
- ^ Matt Stephens (19 October 2011). "TfL wheels out digital bus info upgrade". The Register.
External links edit
- Bus priority at traffic signals keeps London's buses moving
- Siemens Selective Vehicle Detection
- Attitudes to bus priority schemes
- Review of bus priority at traffic signals around the world
- Attitudes to bus priority schemes – Research Summary
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