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Enhanced Night Visibility, Volume I: Executive Summary

Publication Number: FHWA-HRT-04-132
Date: December 2005

Enhanced Night Visibility, Volume I: Executive Summary

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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

Table of Contents

Page Owner: Office of Research, Development, and Technology, Office of Safety, RDT

Scheduled Update: Archive - No Update

Technical Issues: TFHRC.WebMaster@dot.gov

Topics: research, safety

Keywords: research, safety, Age, Cyclist, Detection, Fog, Halogen, Headlamp, High Intensity Discharge (HID), Infrared, Night Vision, Nighttime, Pavement Markings, Pedestrian, Rain, Recognition, Snow, Traffic Control Devices, Ultraviolet, Vision Enhancement System, Weather

TRT Terms: research, safety, Safety and security, Safety, Transportation safety, Automobile driving at night, Road markings--Evaluation, Traffic signs and signals--Evaluation, Night visibility, Traffic signs

Updated: 04/12/2012

United States Department of Transportation - Federal Highway Administration