Across California, most of the freeway on-ramps at urban interchanges are either currently being metered, or proposed to be metered in the near future. The current California Department of Transportation (Caltrans) Highway Design Manual (HDM) does not contain specific standards on queue storage design for metered entrance ramps and the standards prescribed in the manual for acceleration lane length design are found to be insufficient at times since at metered on-ramps, approaching vehicles have to stop before picking up speeds in order to merge with mainline traffic.
Queue Storage and Acceleration Lane Length Design at Metered On-Ramps in California
2016
139 pages
Report
Keine Angabe
Englisch
Highway Engineering , Road Transportation , Transportation & Traffic Planning , Transportation Safety , Freeway ramps , Traffic metering , California , Ramp control , Urban interchanges , Entrance ramps , Merging traffic , Ramp metering , Queue length , Simulation model , Data collection , Queue storage design
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