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Simulation of a Coordinated Adaptive Ramp Metering Strategy Showed a Two Percent Increase in Average Weighted Speeds for Combined Ramp and Mainline Traffic.

Methodology Several sites experiencing freeway merge / diverge deficiencies and speed-change areas resulting in capacity reduction were selected for analysis of these control strategies, including:…
Content type
Date Posted
04/07/2022

Connected and automated vehicles equipped with speed harmonization applications can reduce fuel consumption by 19 to 22 percent.

Methodology Using a microscopic simulation model test bed, the researchers evaluated the proposed control algorithm's performance compared with three other approaches. Baseline - Human…
Content type
Date Posted
10/29/2020

Track testing suggests stop-and-go freeway traffic flow can be controlled to increase throughput by 15 percent with as few as 5 percent autonomous vehicles in the traffic stream.

FINDINGS Experimental findings suggested stop-and-go freeway traffic flow can be controlled to improve fuel economy and throughput with as few as 5 percent autonomous vehicles in the traffic stream…
Content type
Date Posted
09/26/2019

Track testing suggests stop-and-go freeway traffic can be controlled to reduce fuel consumption by 40 percent with as few as 5 percent autonomous vehicles in the traffic stream.

FINDINGS Experimental findings suggested stop-and-go freeway traffic flow can be controlled to improve fuel economy and throughput with as few as 5 percent autonomous vehicles in the traffic stream…
Content type
Date Posted
09/26/2019