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Timing of Intergreen Periods at Signalized Intersections: The German Method

Retzko, Hans-Georg and Boltze, Manfred (1987):
Timing of Intergreen Periods at Signalized Intersections: The German Method.
In: ITE Journal 57, (9), pp. 23-26, [Online-Edition: http://www.verkehr.tu-darmstadt.de/media/verkehr/fgvv/prof_b...],
[Article]

Abstract

This article introduces an algorithm that is part of the official signal timing standards (RiLSA) in the Federal Repubic of Germany and is in wide use there. The article alo reports a new approach of timing intergreeen periods. The new approach to intergreen timing depends on a probabilistic treatment. All cases of conflicts are classified to typical cases. For every type of conflict a specific intergreen time is determined wherein the traffic streams that form a conflict can be alternatively treated as "clearing" or "entering". The intergreen time values have to be increased if there are triangular islands and/or divisional islands. Only car traffic is considered, in so far as the new approach has disadvantages. The new approach of intergreen timing can be applied to intersections with "normal" character. If cyclists are considered together with car traffic at large intersections, a value must be added.

Item Type: Article
Erschienen: 1987
Creators: Retzko, Hans-Georg and Boltze, Manfred
Title: Timing of Intergreen Periods at Signalized Intersections: The German Method
Language: English
Abstract:

This article introduces an algorithm that is part of the official signal timing standards (RiLSA) in the Federal Repubic of Germany and is in wide use there. The article alo reports a new approach of timing intergreeen periods. The new approach to intergreen timing depends on a probabilistic treatment. All cases of conflicts are classified to typical cases. For every type of conflict a specific intergreen time is determined wherein the traffic streams that form a conflict can be alternatively treated as "clearing" or "entering". The intergreen time values have to be increased if there are triangular islands and/or divisional islands. Only car traffic is considered, in so far as the new approach has disadvantages. The new approach of intergreen timing can be applied to intersections with "normal" character. If cyclists are considered together with car traffic at large intersections, a value must be added.

Journal or Publication Title: ITE Journal 57
Number: 9
Divisions: 13 Department of Civil and Environmental Engineering Sciences > Institutes of Transportation > Institute for Transport Planning and Traffic Engineering
13 Department of Civil and Environmental Engineering Sciences > Institutes of Transportation
13 Department of Civil and Environmental Engineering Sciences
Date Deposited: 29 Apr 2017 15:02
Official URL: http://www.verkehr.tu-darmstadt.de/media/verkehr/fgvv/prof_b...
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