Ramp - Metering Algorithms Evaluated within Simplified Conditions
نویسندگان
چکیده
منابع مشابه
Development of A Simulation Laboratory for Evaluating Ramp Metering Algorithms
As an efficient traffic control strategy to ameliorate freeway traffic congestion, ramp metering has been successfully applied in the US. However, the applicability and effectiveness of a ramp-metering strategy are required to be investigated during the preimplementation phase in order to ensure the success of the implementation. The use of traffic simulation models can provide a quick and cost...
متن کاملCongestion, ramp metering and tolls.
The cell transmission model of a freeway is used to compare four congestion-reducing schemes: (R) ramp control only; (T) one lane is tolled and ramps are uncontrolled; (B) bottlenecks are tolled and ramps are uncontrolled; and (RB) ramps are controlled and bottlenecks are tolled. In the base case, ramps are uncontrolled and there are no tolls. It is found that (T) is inefficient and may leave a...
متن کاملComparing Methods of Ramp Metering for On-Ramps to Improve the Operational Conditions at Peak Hours
This paper aims to evaluate and compare the effects of different methods of ramp metering on the operational conditions of traffic flow at three levels: the network level (including the freeway and its connected ramps), the entrance ramp, and the upstream segment of the entrance. To achieve this aim, one of the most important urban freeways in the metropolis of Isfahan was selected. The traffic...
متن کاملCoordinated Ramp Metering for Freeways
Freeways were originally conceived to provide virtually unlimited mobility to road users. However, the continuous increase in car ownership and demand has led to a steady increase (in space and time) of recurrent and nonrecurrent freeway congestion, particularly within and around metropolitan areas. Freeway congestion causes excessive delays, increases fuel consumption and environmental polluti...
متن کاملRamp Metering and Freeway Bottleneck Capacity
This study aims to determine whether ramp meters increase the capacity of active freeway bottlenecks. The traffic flow characteristics at twenty-seven active bottlenecks in the Twin Cities have been studied for seven weeks without ramp metering and seven weeks with ramp metering. A methodology for systematically identifying active freeway bottlenecks in a metropolitan area is proposed, which re...
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ژورنال
عنوان ژورنال: Civil and Environmental Engineering
سال: 2017
ISSN: 2199-6512,1336-5835
DOI: 10.1515/cee-2017-0015