Benefit

Speed harmonization reduced delay by 7.6 percent as an eco-lanes application.

Two eco-driving applications developed and evaluated for reductions in fuel consumption and emissions.


January 2014
I-81; Blacksburg; Virginia; United States; I-81; Roanoke; Virginia; United States


Summary Information

The study demonstrates the feasibility of two eco-driving applications, aiming to reduce vehicle fuel consumption and greenhouse gas emissions. Specifically, the study develops an eco-drive system that combines eco-cruise control (ECC) logic with state-of-the-art car-following models and evaluates Eco-Lanes and speed harmonization (SPD-HARM) applications.

Methodology

The eco-drive system makes use of topographic information, the spacing between the subject and lead vehicle, and a desired (or target) vehicle speed and distance headway as input variables. It was studied on a segment of I-81 between Roanoke and Blacksburg, Virginia.

The Eco-Lanes and SPD-HARM applications were evaluated using the INTEGRATION microscopic traffic simulation software.

Findings

Using SPD-HARM as an Eco-Lanes application reduced delay by 7.6 percent.

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Source

Developing Eco-Adaptive Cruise Control Systems

Author: Rakha, Hesham and Kyoungho Ahn

Published By: U.S. Department of Transportation

Prepared by Virginia Tech for the USDOT

Source Date: January 2014

Other Reference Number: 14-06

URL: https://rosap.ntl.bts.gov/view/dot/26993

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Goal Areas

Mobility

Typical Deployment Locations

Statewide

Keywords

speed harmonization, eco-lanes, eco-lanes management, sustainabile transportation

Benefit ID: 2018-01229