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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations

Report
This report is an archived publication and may contain dated technical, contact, and link information
Publication Number: FHWA-HRT-06-117
Date: December 2006

ACknowledgment

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The study and experiment were originally planned by Marcia Simon for FHWA. The authors gratefully acknowledge her expertise and planning.

 

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