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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-04-132
Date: December 2005

Enhanced Night Visibility, Volume I: Executive Summary

PDF Version (233 KB)

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LIST OF ACRONYMS AND ABBREVIATIONS


General Terms

ENV Enhanced Night Visibility
IR infrared
RRPM raised retroreflective pavement marker
UV–A ultraviolet A (wavelength 315 to 400 nanometers)
VES vision enhancement system

Vision Enhancement Systems

FIR far infrared
five UV–A five UV–A headlamps
HID high intensity discharge
HLB halogen (i.e., tungsten-halogen) low beam
HOH high output halogen
hybrid UV–A hybrid UV–A/visible output
IR–TIS infrared thermal imaging system
NIR near infrared
three UV–A three UV–A headlamps

Measurements

ft feet
km/h kilometers per hour
lux lx
m meters
mi/h miles per hour

 

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