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2011
Determining the Effectiveness of an Advanced LED Warning System for Rural Intersections

Transportation Research Record: Journal of the Transportation Research Board, Issue 2250, pp 25-31

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2011
Evaluation of Lighted Pavement Marker Stop Bars at Intersections with Light Rail Lines

Transportation Research Record: Journal of the Transportation Research Board, Issue 2250, pp 49-56

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2011
Evaluation of Light-Emitting Diode Warning Beacons for Maintenance Vehicles

Transportation Research Record: Journal of the Transportation Research Board, Issue 2220, pp 82-87

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2011
Safety and Operational Assessment of Yield-to-Bus Electronic Warning Signs on Transit Buses

Transportation Research Record: Journal of the Transportation Research Board, Issue 2218, pp 1-9

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2010
Illuminating Traffic Signs with Innovative LED Techniques for Safer and Greener Roadways:--State-of-the-Art Practice in Taiwan

Transportation Research Board 89th Annual Meeting, 14p

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2010
Alternative Lighting Evaluations in Municipality of Anchorage

Transportation Research Board 89th Annual Meeting

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2010
Effects of Dynamically Activated Emergency Vehicle Warning Sign on Driver Behavior at Urban Intersections

Transportation Research Record: Journal of the Transportation Research Board, Issue 2149, pp 77-83

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2010
Motorist Understanding of Alternative Displays for Speed Limits in Work Zones

Transportation Research Record: Journal of the Transportation Research Board, Issue 2169, pp 81-87

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2009
Analysis of Effects of LED Rectangular Rapid-Flash Beacons on Yielding to Pedestrians in Multilane Crosswalks

Transportation Research Record: Journal of the Transportation Research Board, Issue 2140, pp 85-95

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2009
Replacement Processes for Light Emitting Diode (LED) Traffic Signals

NCHRP Web-Only Document, Issue 146, 42p

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2009
Experimental Study on Required Luminous Intensity of LED Roadway Delineators Under Foggy Conditions

Transportation Research Board 88th Annual Meeting, 18p

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2009
Evaluation of a Lighted Pavement Marker Stop Bar

Transportation Research Board 88th Annual Meeting, 12p

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2008-09
Research Pays Off: Uninterruptible Power Supplies Keep Traffic Signals On: Illinois Works to Avoid Delays and Dangers from Outages

TR News, Issue 258, pp 26-27

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2008
LED Traffic Signal Monitoring, Maintenance, and Replacement Issues

NCHRP Synthesis of Highway Practice, Issue 387, 40p

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2008
Analysis of Effects of Stutter Flash LED Beacons to Increase Yielding to Pedestrians Using Multilane Crosswalks

Transportation Research Board 87th Annual Meeting, 20p

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2008
Stutter-Flash Light-Emitting-Diode Beacons to Increase Yielding to Pedestrians at Crosswalks

Transportation Research Record: Journal of the Transportation Research Board, Issue 2073, pp 69-78

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2006
Required Luminous Intensity of LED Delineators Under Foggy Conditions

Transportation Research Board 85th Annual Meeting, 19p

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2005
Legibility Distances of Smaller Letters in Changeable Message Signs with Light-Emitting Diodes

Transportation Research Record: Journal of the Transportation Research Board, Issue 1918, pp 56-62

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2005
Onset Times and Detection of Colored Signal Lights

Transportation Research Record: Journal of the Transportation Research Board, Issue 1918, pp 123-127

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2004
FIELD EVALUATIONS OF WARNING AND REGULATORY SIGNS WITH ENHANCED CONSPICUITY PROPERTIES

Transportation Research Record, Issue 1862, p. 64-76

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2003
DETECTION AND IDENTIFICATION OF LIGHT-EMITTING DIODE TRAFFIC SIGNALS BY PROTAN OBSERVERS

Transportation Research Record, Issue 1844, p. 52-58

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2002
ANALYSIS OF FLORIDA TRANSIT BUS CRASHES

Transportation Research Record, Issue 1791, p. 26-34

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2002
TRANSMITTED BANDWIDTH AND BIT ERROR PROBABILITY OF THE SAFETY WARNING SYSTEM

Transportation Research Record, Issue 1800, p. 53-61

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2001-12
ANIMATED LED "EYES" TRAFFIC SIGNALS

ITS-IDEA Program Project Final Report, 24 p.

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2001
TRAFFIC SIGNAL LUMINANCE AND VISUAL DISCOMFORT AT NIGHT

Transportation Research Record, Issue 1754, p. 42-47

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Showing 51 - 75 of 81 records