The VTI National Transport Library Catalogue

Motorway flow quality impacts of advanced driver assistance systems Hoogendoorn, Serge P ; Minderhoud, Michiel M

By: Hoogendoorn, Serge PContributor(s): Minderhoud, Michiel MPublication details: Transportation Research Record, 2002Description: nr 1800, s. 69-77Subject(s): USA | Electronic driving aid | Adaptive cruise control | Speed limiter | Impact study | Traffic flow | Motorway | Micro | Simulation | Bottleneck | | | Decision process | Time | Safety | 23 | 25Bibl.nr: VTI P8169:2002 RefLocation: Abstract: An ex ante impact assessment of advanced driver assistance systems was conducted with focus on autonomous intelligent cruise control and intelligent speed adaptation. The effects of these systems on efficiency, reliability, driving comfort, and safety were addressed by microsimulation for different penetration levels and bottleneck layouts. The deployment of cruise control improves bottleneck capacity. The bottleneck reliability, however, deteriorates in most cases. No significant changes in traffic safety, expressed by the time drivers are exposed to small time-to-collision values, could be established. From the simulation experiments it appears that intelligent speed adaptation has no effect on capacity and provides no substantial contribution to bottleneck reliability. Contrary to expectations, no significant safety benefits could be established using the study's assessment approach.
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An ex ante impact assessment of advanced driver assistance systems was conducted with focus on autonomous intelligent cruise control and intelligent speed adaptation. The effects of these systems on efficiency, reliability, driving comfort, and safety were addressed by microsimulation for different penetration levels and bottleneck layouts. The deployment of cruise control improves bottleneck capacity. The bottleneck reliability, however, deteriorates in most cases. No significant changes in traffic safety, expressed by the time drivers are exposed to small time-to-collision values, could be established. From the simulation experiments it appears that intelligent speed adaptation has no effect on capacity and provides no substantial contribution to bottleneck reliability. Contrary to expectations, no significant safety benefits could be established using the study's assessment approach.

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