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Estimation of the peak-hour demand in the German Highway Capacity Manual

  • Traditionally, traffic count statistics in Germany contain the so-called relevant hourly volume, which is defined as the 30th-highest hour of the year when listing the hourly volumes in descending order. When the first edition of the German Highway Capacity Manual (HBS) was prepared in 2001, the Federal Government decided that this 30th hour should be used as the basis for the level of service determination for all Federal freeways and trunk roads. While German freeways are quite well equipped with inductive loop detectors, there are much fewer counts on rural roads and almost no long-term data on urban roads. With the current redraft of the German HBS detailed advice will be given on how to estimate peak-hour demand (all vehicles and heavy vehicle portion), based on the n-th highest hour concept depending on the available traffic counts. As the HBS will be divided into three major parts: freeways, rural roads, and urban roads, three separate chapters for the peak-hour demand estimation will be provided. Whereas for freeways the task consists in finding the comparable site equipped with inductive loop detectors, for urban roads it is a matter of establishing which time periods of the year and weekdays are appropriate for manual short-term counts as estimation of the 30th hour of the year. For all kind of traffic devices the requirements on traffic demand models for level of service calculations are described.

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Metadaten
Author:Kerstin Lemke
URN:urn:nbn:de:hbz:opus-bast-22037
Parent Title (English):Procedia – Social and Behavioral Sciences
Document Type:Article
Language:English
Date of Publication (online):2019/10/07
Date of first publication:2019/10/07
Publishing institution:Bundesanstalt für Straßenwesen (BASt)
Release Date:2019/10/07
Tag:Berechnung; Kapazität (Straße); Verkehrserhebung; Verkehrsqualität; Verkehrsspitze
Calculation; Capacity (road, footway); Level of service; Peak hour; Traffic count
Volume (for the year ...):16
First Page:762
page number: Document ends on page ...:770
Institutes:Abteilung Straßenverkehrstechnik
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung

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