Reduced width traffic lanes
In order to make better use of existing roads, the lane width may be reduced so that more lanes are available on the same total road width. In principle, this is expected to increase traffic throughput, although with reduced speed. However, in practice, effects may be different. For instance, smaller lanes require a higher attention level of the drivers who may start showing signs of fatigue. This may compromise safety, inducing accidents. And accidents reduce traffic throughput. So, the question is under which circumstances narrow lanes do not compromise safety and increase throughput.
(The image indicates driver speed related to lane width, courtesy of www.arlingtonva.us)
Finished reports
- Design of a Subnetwork Controller Based on MFD’s and Perimeter Flows
- Coordinated signal control for urban networks by using MFD
- Dynamic OD matrix estimation using floating car data
- HOT lanes - Implementation considerations and assessment
- Veiligheid en doorstroming rond incidenten
- Percentage of uCAN equipped vehicles needed to estimate traffic speed accurately
- Integrated Approach to Variable Speed Limits and Ramp Metering
- An Assessment Framework for the Speed Policy on Dutch Motorways
- Adaptive ramp metering
- Automatische incident detectie met behulp van meetlusgegevens
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Projects in progress
Finished projects
- Dynamic OD matrix estimation using floating car data
- Possibilities of video monitoring
- Incident detection with loop data
- FastLane: modelling and simulation of traffic flow
- Alternative routes A15 Maasvlakte - Vaanplein
- Bottlenecks in road networks due to incidents
- Data fusion of loop detection and travel time measurements
- The relation between traffic flow and lane width
- Real-time capacity estimation for adaptive ramp metering
- Traffic flow and safety during incidents