A local non-restrictive ramp metering strategy based on stochasticity of capacity

  • A local non-restrictive ramp metering strategy PRO is introduced. It is based on the stochasticity of capacity. The ramp metering algorithm shows innovative features: • upstream time shifted measurements for anticipation • measurements are actuated every second • up to three vehicles per green are allowed Details of the theory of this strategy are described in the first part. At freeway B27 three ramp meters with the PRO algorithm were installed. In the second part, based on extensive detailed traffic and accident data the effects on traffic flow and safety are described. The impact is positive regarding vehicle speed, queue duration and length as well as capacity and traffic safety. The improvements of speeds, travel times and capacities are statistically significant. The ramp metering systems are highly cost effective.

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Author:Roland Trapp
Parent Title (English):Transportation Research Procedia
Document Type:Article (specialist journals)
Date of OPUS upload:2022/09/03
Date of first Publication:2016/06/14
Publishing University:Hochschule Trier
Release Date:2022/09/05
Tag:freeway operation; ramp metering; stochastic capacity; traffic control
GND Keyword:Autobahn; Verkehrsregelung
Page Number:13
First Page:594
Last Page:606
Departments:FB Bauen + Leben
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften
Licence (German):License LogoCreative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International