2136
The Benefits of Signal Group Oriented Control
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Thursday, October 20, 2011: 8:50 AM
S320H (Orange County Convention Center )
Robbin Blokpoel
,
Traffic Engineering Researcher, Peek Traffic, Amersfoort, Netherlands
Siebe Turksma
,
Peek Traffic, Amersfoort, Netherlands
Description of Paper:
Currently there are many different traffic light control algorithms. They can be roughlyclassified as fixed time, vehicle actuated or traffic responsive. All of these control algorithmshave stages, blocks or similar concepts at their basis that impede flexibility. This paper willtherefore present a signal group oriented algorithm that is not bound by any constraints. Thismeans that any combination of signal groups that is allowed by the conflict matrix can beshown in any order. To isolate the effects of shifting to signal group oriented control, thispaper will also test the same controller as a modified version that respects stages and stageorders. These tests revealed that the overall time lost for all vehicles can be reduced by up to 20% by switching to signal group oriented control.
Full Paper:
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