Eco-cruise control reduced travel time by 8.5 percent and delay by 23 percent on a segment of I-81 in Virginia.

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

January 2014

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.


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.


The study demonstrated that the proposed Eco-Lanes system based on eco-cruise control can significantly improve fuel efficiency and air quality while reducing average vehicle travel time and total system delay. In this case study, compared to the base-case scenario, the Eco-Lanes system reduced travel time by 8.5 percent and reduced delay by 23 percent.

Benefit Comments

No comments posted to date

Comment on this Benefit

To comment on this summary, fill in the information below and click on submit. An asterisk (*) indicates a required field. Your name and email address, if provided, will not be posted, but are to contact you, if needed to clarify your comments.


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



Average User Rating

0 ( ratings)

Rate this Benefit

(click stars to rate)

Goal Areas


Typical Deployment Locations



eco-lanes management, eco-cruise control, eco-lanes, fuel consumption, travel delay

Benefit ID: 2018-01227