A preliminary analyses of the potential impacts of an automated highway system on the Long Island Expressway and I-495 Capital Beltway was projected to improve capacity and reduce travel time by 38 to 48 percent.

October 1995
Washington,District of Columbia,United States; Long Island Expressway,New York,United States

Summary Information

In a preliminary analyses performed for the Automated Highway System Program, platooned automated control may increase throughput 300 percent and non-platooned automated control may increase throughput 200 percent compared to non-automated freeway segments. Based on the analysis of the Long Island Expressway and the Capital Beltway network near Washington, DC, it was estimated that automated highway systems could improve capacity and reduce travel time 38 to 48 percent.


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Summary and Assessment of Findings From the Precursor Analysis of Automated Highway System

Author: Stevens, W., et al.

Published By: Federal Highway Administration, U.S. DOT

Prepared by the MITRE Corporation for the U.S. DOT

Source Date: October 1995

Other Reference Number: Report No. WN95W0000124


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Goal Areas



intelligent cruise control, ICC, ACC, Intelligent Speed Adaptation, ISA

Benefit ID: 2000-00013