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Industry Affiliation Program for
Human Factors in Transportation Safety


Published Technical Reports


COMPLETE LIST

Using a Virtual Tool to Assess Crash Contributing Factors: Presence of Artificial Lighting Coded by Google Street View and PARs (Stafford, Whetsel, Flannagan, and Flannagan), Report No. UMTRI-2012-34, December 2012.

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Rates of Use of Vehicle Lighting Equipment: Variation Among Drivers (Flannagan and Buonarosa), Report No. UMTRI-2012-32, December 2012.

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Rod Photoreceptors and Detection of Pedestrians by Drivers at Night (Flannagan and Buonarosa), Report No. UMTRI-2012-25, October 2012.

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An Analysis of Low-Beam and High-Beam Headlighting Performance in the U.S.: 1997-2011 (Schoettle and Flannagan), Report No. UMTRI-2012-23, October 2012.

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The Effect of Headlamp Vertical Aim on Performance of a Lane Tracking System (Bao, Flannagan, Sayer, and Uchida), Report No. UMTRI-2011-48, December 2011.

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A Market-Weighted Description of Low-Beam and High-Beam Headlighting Patterns in the U.S.: 2011 (Schoettle and Flannagan), Report No. UMTRI-2011-33, November 2011.

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Market-Weighted Trends in the Design Attributes of Headlamps in the U.S.: 2011 (Schoettle, Uchida, and Flannagan), Report No. UMTRI-2011-32, November 2011.

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Preliminary Assessment of the Potential Benefits of Adaptive Driving Beams (Flannagan and Sullivan), Report No. UMTRI-2011-37, September 2011.

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Heavy Trucks, Conspicuity Treatment, and the Decline of Collision Risk in Darkness (Sullivan and Flannagan), Report No. UMTRI-2011-18, September 2011.

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Benefits of Daytime Running Lights (Sivak and Schoettle), Report No. UMTRI-2011-6, February 2011.

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Statistical Models for the Effects of Dirt on Headlamp Beam Patterns (Flannagan and Fujiyama), Report No. UMTRI-2010-33, December 2010.

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Vehicle Kinematics in Turns and the Role of Cornering Lamps in Driver Vision (Sullivan and Flannagan), Report No. UMTRI-2010-32, December 2010.

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Headlamps and Pedestrian Injuries (Sivak and Schoettle), Report No. UMTRI-2010-6, November 2010.

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Photometric Indicators of Headlamp Performance (Sullivan and Flannagan), Report No. UMTRI-2009-18, June 2009.

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Glance Strategies for Using an In-Vehicle Touch-Screen Monitor (Fuller and Tsimhoni), Report No. UMTRI-2009-5, April 2009.

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In-Vehicle Video and Motion Sickness (Schoettle and Sivak), Report No. UMTRI-2009-6, March 2009.

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Relationships Among Driver Age, Vehicle Cost, and Fatal Nighttime Crashes (Sullivan and Flannagan), Report No. UMTRI-2009-4, March 2009.

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Survey of HID Headlamps in Use in the U.S. by Region and Time of Night (Flannagan, Buonarosa, Devonshire, Schoettle, and Takenobu), Report No. UMTRI-2008-56, November 2008.

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Evaluation of Recent U.S. Tungsten-Halogen and HID Headlamps Using CHESS (Flannagan, Sullivan, and Schoettle), Report No. UMTRI-2008-55, November 2008.

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Intersection Kinematics: A Pilot Study of Driver Turning Behavior with Application to Pedestrian Obscuration by A-Pillars (Reed), Report No. UMTRI-2008-54, November 2008.

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Visual Fatigue and the Driver (Sullivan), Report No. UMTRI-2008-50, October 2008.

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LEDs and Power Consumption of Exterior Automotive Lighting: Implications for Gasoline and Electric Vehicles (Schoettle, Sivak, and Fujiyama), Report No. UMTRI-2008-48, October 2008.

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Driver Perception of Potential Pedestrian Conflict (Tsimhoni, Kandt, and Flannagan), Report No. UMTRI-2008-46, October 2008.

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Trends in Fatal Crashes in Darkness: 1990 to 2006 (Sullivan and Flannagan), Report No. UMTRI-2008-33, May 2008.

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Mirror Size and Lane-Change Crashes (Sivak, Devonshire, Flannagan, and Reed), Report No. UMTRI-2008-32, May 2008.

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Real-World Frequency of Use of Lighting Equipment (Buonarosa, Sayer, and Flannagan), Report No. UMTRI-2008-14, April 2008.

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Prevalence of LED Light Sources on Vehicles Sold in the U.S. (Schoettle, Sivak, and Takenobu), Report No. UMTRI-2008-12, April 2008.

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The Conspicuity of First-Responder Safety Garments (Tuttle, Sayer, and Buonarosa), Report No. UMTRI-2008-4, April 2008.

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Benefits of Headlamp Leveling and Cleaning for Current U.S. Low Beams (Flannagan, Sivak, and Schoettle), Report No. UMTRI-2007-46, November 2007.

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Warning Reliability and Driver Performance in Naturalistic Driving (Sullivan, Tsimhoni, and Bogard), Report No. UMTRI-2007-44, November 2007.

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Seasonal Variations in Conspicuity of High-Visibility Garments (Buonarosa and Sayer), Report No. UMTRI-2007-42, November 2007.

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Moon Phases and Nighttime Road Crashes Involving Pedestrians (Sivak, Schoettle, and Tsimhoni), Report No. UMTRI-2007-41, September 2007.

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Availability and Implementation Trends of Daytime Running Lights in the U.S. (Takenobu, Schoettle, and Sivak), Report No. UMTRI-2007-33, August 2007.

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Truck Mirrors, Fields of View, and Serious Truck Crashes (Blower), Report No. UMTRI-2007-25, June 2007.

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Market-Weighted Trends in the Design Attributes of Headlamps in the U.S. (Schoettle, Sivak, and Takenobu), Report No. UMTRI-2007-20, June 2007.

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Characteristics of Nighttime Pedestrian Crashes: Implications for Headlighting (Sullivan and Flannagan), Report No. UMTRI-2007-3, May 2007.

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Improving Pedestrian Detection with a Simple Display for Night Vision Systems (Tsimhoni, Flannagan, Mefford, and Takenobu), Report No. UMTRI-2007-2, March 2007.

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Effects of Automotive Interior Lighting on Driver Vision (Devonshire and Flannagan), Report No. UMTRI-2007-1, March 2007.

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Mirror-Mounted Turn Signals and Traffic Safety (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2006-33, November 2006.

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Recent Changes in Headlamp Illumination Directed Toward Traffic Signs (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2006-31, September 2006.

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Body-Pillar Vision Obstructions and Lane-Change Crashes (Sivak, Schoettle, Reed, and Flannagan), Report No. UMTRI-2006-29, September 2006.

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Conspicuity of High-Visibility Safety Apparel During Civil Twilight (Sayer and Mefford), Report No. UMTRI-2006-13, June 2006.

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Analysis of the Visibility of Near-Infrared Illuminators (Tsimhoni, Flannagan, and Schoettle), Report No. UMTRI-2006-10, June 2006.

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Effects of Dedicated Stop Lamps on Nighttime Rear-End Collisions (Luoma, Sivak, and Flannagan), Report No. UMTRI-2006-15, May 2006.

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Real-World Use of High-Beam Headlamps (Mefford, Flannagan, and Bogard), Report No. UMTRI-2006-11, April 2006.

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Implications of Fatal and Nonfatal Crashes for Adaptive Headlighting (Sullivan and Flannagan), Report No. UMTRI-2006-1, April 2006.

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Distance Perception with a Camera-Based Rear Vision System in Actual Driving (Flannagan and Mefford), Report No. UMTRI-2005-38, December 2005.

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Potential Visibility Gains on Straight and Curved Roads from Proportional Increases in Current Low-Beam Intensities (Sivak, Schoettle, Minoda, and Flannagan), Report No. UMTRI-2005-34, November 2005.

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Influence of the Visibility Out of the Vehicle Cabin on Lane-Change Crashes (Sivak, Schoettle, Reed, and Flannagan), Report No. UMTRI-2005-32, November 2005.

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The Effects of Secondary Tasks on Naturalistic Driving Performance (Sayer, Devonshire, and Flannagan), Report No. UMTRI-2005-29, November 2005.

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Rearview Mirror Glare with Varying Vehicle Geometries (Flannagan), Report No. UMTRI-2005-25, September 2005.

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Pedestrian Detection with Night Vision Systems Enhanced by Automatic Warnings (Tsimhoni, Flannagan, and Minoda), Report No. UMTRI-2005-23, September 2005.

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Further Crash Evidence About the Nighttime Visibility of Trucks (Sullivan), Report No. UMTRI-2005-22, September 2005.

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Effectiveness of Clear-Lens Turn Signals in Direct Sunlight (Sivak, Schoettle, Flannagan, and Minoda), Report No. UMTRI-2005-19, July 2005.

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The Roles of Garment Design and Scene Complexity in the Daytime Conspicuity of High-Visibility Safety Apparel (Sayer and Mefford), Report No. UMTRI-2005-5, February 2005.

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Blue Content of LED Headlamps and Discomfort Glare (Sivak, Schoettle, Minoda, and Flannagan), Report No. UMTRI-2005-2, February 2005.

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Effect of IRR Glazing on Radiant Heat and Thermal Comfort for On-Road Conditions (Devonshire and Sayer), Report No. UMTRI-2004-40, December 2004.

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Pedestrian Detection with Near and Far Infrared Night Vision Enhancement (Tsimhoni, Bärgman, Minoda, and Flannagan), Report No. UMTRI-2004-38, December 2004.

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An Examination of Naturalistic Windshield Wiper Usage (Wetzel, Sayer, and Funkhouser), Report No. UMTRI-2004-35, December 2004.

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Mercury-Free HID Headlamps: Glare and Color Rendering (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2004-37, November 2004.

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Recent Trends in the Performance of Tungsten-Halogen and HID Low Beams in the U.S. (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2004-25, October 2004.

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The Roles of Retroreflective Arm Treatments and Arm Motion in Nighttime Pedestrian Conspicuity (Sayer and Mefford), Report No. UMTRI-2004-21, October 2004.

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A Market-Weighted Description of Low-Beam Headlighting Patterns in the U.S.: 2004 (Schoettle, Sivak, Flannagan, and Kosmatka), Report No. UMTRI-2004-23, September 2004.

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Optimal Strategies for Adaptive Curve Lighting (Sivak, Schoettle, Flannagan, and Minoda), Report No. UMTRI-2004-22, August 2004.

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Visibility and Rear-End Collisions Involving Light Vehicles and Trucks (Sullivan and Flannagan), Report No. UMTRI-2004-14, June 2004.

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Driver Performance and Workload Using a Night Vision System (Sullivan, Bärgman, Adachi, and Schoettle), Report No. UMTRI-2004-8, March 2004.

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Chromatic Aberrations Near the Cutoff of Low-Beam Headlamps (Sivak, Flannagan, Schoettle, and Adachi), Report No. UMTRI-2004-6, March 2004.

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LED Headlamps: Glare and Color Rendering (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2003-39, November 2003.

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A Market-Weighted Description of Low-Beam Headlighting Patterns in Europe: 2003 (Schoettle, Sivak, Flannagan, and Kosmatka), Report No. UMTRI-2003-37, November 2003.

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Daytime Veiling Luminance from Windshields: Effects of Scattering and Reflection (Mefford, Flannagan, and Adachi), Report No. UMTRI-2003-36, November 2003.

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Radiant Heat and Thermal Comfort in Vehicles (Devonshire and Sayer), Report No. UMTRI-2003-32, November 2003.

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High-Visibility Safety Apparel and the Nighttime Conspicuity of Pedestrians in Work Zones (Sayer and Mefford), Report No. UMTRI-2003-29, September 2003.

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Conspicuity of Mirror-Mounted Turn Signals (Schumann, Sivak, Flannagan, and Schoettle), Report No. UMTRI-2003-26, September 2003.

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Geometric Visibility of Mirror-Mounted Turn Signals (Reed and Flannagan), Report No. UMTRI-2003-18, September 2003.

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Functional Requirements for Daytime Running Lights (Rumar), Report No. UMTRI-2003-11, May 2003.

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The Effects of Infrared-Reflective Treatment on Thermal Comfort During Transient Conditions (Devonshire and Sayer), Report No. UMTRI-2003-3, February 2003.

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High-Beam Headlamp Usage on Unlighted Rural Roadways (Sullivan, Adachi, Mefford, and Flannagan), Report No. UMTRI-2003-2, February 2003.

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Low-Beam Headlamp Illumination at Very High Angles  (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2002-33, November 2002.

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The Illuminated Surface Areas of HID and Tungsten-Halogen Headlamps in the U.S. (Schoettle, Sivak, Flannagan, and Adachi), Report No. UMTRI-2002-32, November 2002.

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Lighting, Signaling, and Rearview Mirrors for Large Trucks: A Review of Human Factors Considerations (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2002-30, November 2002.

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Hydrophobic Treatment of Glass Headlamp Lenses and the Effect on Light Output (Sayer, Mefford, and Nakata), Report No. UMTRI-2002-25, November 2002.

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Performance of the First Generation of HID Headlamps in the U.S. (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2002-14, June 2002.

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Night Vision Enhancement Systems: What Should They Do and What More Do We Need to Know? (Rumar), Report No. UMTRI-2002-12, June 2002.

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The Locations of Signaling and Lighting Equipment on Passenger Vehicles Sold in the U.S. (Schoettle, Sivak, and Nakata), Report No. UMTRI-2002-8, May 2002.

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The Effects of Infrared-Reflective and Antireflective Glazing on Thermal Comfort and Visual Performance: A Literature Review (Devonshire and Sayer), Report No. UMTRI-2002-4, March 2002.

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Driving Performance with and Preference for HID Headlamps (Sivak, Flannagan, Schoettle, and Mefford), Report No. UMTRI-2002-3, February 2002.

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The Appearance of Bending Light From Other Vehicles (Sullivan, Flannagan, and Schoettle), Report No. UMTRI-2002-2, February 2002.

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The Safety Potential of Current and Improved Front Fog Lamps (Flannagan), Report No. UMTRI-2001-40, November 2001.

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A Worldwide Perspective on Future Automobile Lighting (Rumar), Report No. UMTRI-2001-35, November 2001.

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Resistance of LED and Incandescent Front Turn Signals to Masking Effects from Adjacent Headlamps (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2001-34, November 2001.

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Characteristics of Pedestrian Risk in Darkness (Sullivan and Flannagan), Report No. UMTRI-2001-33, November 2001.

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Reaction Time to Clear-Lens Turn Signals Under Sun-Loaded Conditions (Sullivan and Flannagan), Report No. UMTRI-2001-30, September 2001.

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Factors Affecting Color Correction of Retroreflective Markings (Sayer, Mefford, and Flannagan), Report No. UMTRI-2001-27, September 2001.

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The Effects of Hydrophilic and Hydrophobic Rear-Window Treatments on Visual Performance (Sayer and Mefford), Report No. UMTRI-2001-21, June 2001.

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Benefits of Applying Adaptive Lighting to the U.S. and European Low-Beam Patterns (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2001-20, June 2001.

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High-Beam and Low-Beam Headlighting Patterns in the U.S. and Europe at the Turn of the Millennium (Schoettle, Sivak, and Flannagan), Report No. UMTRI-2001-19, May 2001.

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Rise-Time Requirements for High Intensity Discharge Headlamps (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2001-14, April 2001.

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Visual Effects of Blue-Tinted Tungsten-Halogen Headlamp Bulbs (Sullivan and Flannagan), Report No. UMTRI-2001-9, April 2001.

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The Effects of Rear-Window Transmittance and Backup-Lamp Intensity on Backing Behavior (Sayer, Mefford, and Blower), Report No. UMTRI-2001-6, March 2001.

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Field Measurements of Direct and Rearview-Mirror Glare from Low-Beam Headlamps (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2001-3, January 2001.

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Mirror Field of View in Light Trucks, Minivans, and Sport Utility Vehicles (Reed, Ebert, and Flannagan), Report No. UMTRI-2001-1, January 2001.

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Simultaneous Masking of Front Turn Signals by Headlamps and Other Front Lamps (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2000-44, November 2000.

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Post-Mounted Delineators and Perceptual Cues for Long-Range Guidance During Night Driving (Schumann), Report No. UMTRI-2000-42, November 2000.

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Relative Merits of the U.S. and ECE High-Beam Maximum Intensities and of Two- and Four-Headlamp Systems (Rumar), Report No. UMTRI-2000-41, November 2000.

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A Market-Weighted Description of Low-Beam Headlighting Patterns in Europe (Sivak, Flannagan, and Schoettle), Report No. UMTRI-2000-36, September 2000.

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The Effect of Color Contrast on Daytime and Nighttime Conspicuity of Roadworker Vests (Sayer and Mefford), Report No. UMTRI-2000-35, September 2000.

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Effects of Nonplanar Driver-Side Mirrors on Lane Change Crashes (Luoma, Flannagan, and Sivak), Report No. UMTRI-2000-26, June 2000.

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Field of View in Passenger Car Mirrors (Reed, Lehto, and Flannagan), Report No. UMTRI-2000-23, June 2000.

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The Effect of Lead-Vehicle Size on Driver Following Behavior (Sayer, Mefford, and Huang), Report No. UMTRI-2000-15, June 2000.

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Effects of the Spectra of Innovative Sources in Signal Lamps (Sullivan and Flannagan), Report No. UMTRI-2000-7, March 2000.

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The Use of Parking and Auxiliary Lamps for Traffic Sign Illumination (Sivak, Flannagan, and Miyokawa), Report No. UMTRI-2000-2, January 2000.

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A First Look at Visually Aimable and Harmonized Low-Beam Headlamps (Sivak, Flannagan, and Miyokawa), Report No. UMTRI-2000-1, January 2000.

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Subjective and Objective Aspects of Headlamp Glare: Effects of Size and Spectral Power Distribution (Flannagan), Report No. UMTRI-99-36, November 1999.

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Nighttime Visibility of Retroreflective Pavement Markings From Trucks Versus Cars (Rumar, Sivak, Traube, and Miyokawa), Report No. UMTRI-99-34, November 1999.

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Historical Development and Current Effectiveness of Rear Lighting Systems (Moore and Rumar), Report No. UMTRI-99-31, October 1999.

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The Effects of Hydrophobic Treatment of the Driver-Side Window and Rearview Mirror on Distance Judgement (Sayer, Mefford, Flannagan, and Sivak), Report No. UMTRI-99-22, September 1999.

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Assessing the Potential Benefit of Adaptive Headlighting Using Crash Databases (Sullivan and Flannagan), Report No. UMTRI-99-21, September 1999.

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Color Identification in the Visual Periphery: Consequences for Color Coding of Vehicle Signals (Sivak, Flannagan, Miyokawa, and Traube), Report No. UMTRI-99-20, July 1999.

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The Effect of Width and Separation in Rear Window Defroster Lines on the Identification of Obstacles (Sayer, Mefford, Flannagan, and Sivak), Report No. UMTRI-99-12, May 1999.

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Effects of Color on the Detection of Retroreflective Pedestrian Markings by Normal and Color Deficient Drivers (Sayer, Mefford, Flannagan, and Sivak), Report No. UMTRI-99-6, May 1999.

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Acceptable Delays in Switching Between Primary and Secondary Light Sources in Distributed Lighting (Sivak and Flannagan), Report No. UMTRI-99-10, March 1999.

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Lane Markings in Night Driving: A Review of Past Research and of the Present Situation (Rumar and Marsh), Report No. UMTRI-98-50, November 1998.

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Predicting Mirror Adjustment Range for Driver Accommodation (Flannagan and Flannagan), Report No. UMTRI-98-45, October 1998.

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Quantitative Comparisons of Factors Influencing The Performance of Low-Beam Headlamps (Sivak, Flannagan, and Miyokawa), Report No. UMTRI-98-42, October 1998.

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Conspicuity and Glare Properties of Daytime Running Lights: Effects of Lamp Separation and Intensity (Sivak, Flannagan, Traube, and Miyokawa), Report No. UMTRI-98-30, August 1998.

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Do Changes in Voltage Result in Proportional Changes Throughout Headlamp Beam Patterns? (Sivak, Flannagan, Traube, and Miyokawa), Report No. UMTRI-98-27, August 1998.

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Headlamp History and Harmonization (Moore), Report No. UMTRI-98-21, June 1998.

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Vehicle Lighting and the Aging Population (Rumar), Report No. UMTRI-98-9, June 1998.

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The Influence of Lens Haze on Headlamp Beam Patterns (Sivak, Flannagan, Kojima, and Traube), Report No. UMTRI-98-13, April 1998.

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Effects of Retroreflective Marking Color on Pedestrian Detection Distance (Sayer, Mefford, Flannagan, Sivak, Traube, and Kojima), Report No. UMTRI-98-8, March 1998.

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The Influence of Sun Loading on the Visibility of Clear-Lens Turn Signals (Sivak, Flannagan, Kojima, and Traube), Report No. UMTRI-98-2, February 1998.

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Qualitative Evaluation of Headlamp Beam-Pattern Uniformity (Schumann, Sivak, Flannagan, Traube, and Kojima), Report No. UMTRI-97-43, October 1997.

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A Market-Weighted Description of Low-Beam Headlighting Patterns in the U.S. (Sivak, Flannagan, Kojima, and Traube), Report No. UMTRI-97-37, September 1997.

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Distance Perception in Driver-Side and Passenger-Side Convex Rearview Mirrors: Objects in Mirror are More Complicated Than They Appear (Flannagan, Sivak, Schumann, Traube, and Kojima), Report No. UMTRI-97-32, July 1997.

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The Influence of Hydrophobic Windshield Coating on Driver Visual Performance (Sayer, Mefford, Flannagan, Sivak, and Kojima), Report No. UMTRI-97-31, July 1997.

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Effects of Realistic Levels of Dirt on Light Output of Rear Signal Lamps (Sivak, Flannagan, Traube, and Kojima), Report No. UMTRI-97-27, June 1997.

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The Influence of Stimulus Duration on Discomfort Glare for Persons with and without Visual Correction (Sivak, Flannagan, Traube, and Kojima), Report No. UMTRI-97-23, May 1997.

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Adaptive Illumination Systems for Motor Vehicles: Towards a More Intelligent Headlighting System (Rumar), Report No. UMTRI-97-7, February 1997.

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Just Noticeable Differences for Low-Beam Headlamp Intensities (Sayer, Flannagan, Sivak, Kojima, and Flannagan), Report No. UMTRI-97-4, February 1997.

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A Simulation of the Effects of Haze in Headlamp Lenses on Beam Patterns: A Preliminary Study (Sivak, Flannagan, Hashimoto, and Kojima), Report No. UMTRI-97-1, January 1997.

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The Locations of Headlamps and Driver Eye Positions in Vehicles Sold in the U.S.A. (Sivak, Flannagan, Budnik, Flannagan, and Kojima), Report No. UMTRI-96-36, November 1996.

Brightness of Colored Retroreflective Materials (Schumann, Sivak, Flannagan, Traube, Hashimoto, and Kojima), Report No. UMTRI-96-33, November 1996.

Fog Lamps: Frequency of Installation and Nature of Use (Sivak, Flannagan, Traube, Hashimoto, and Kojima), Report No. UMTRI-96-31, October 1996.

Effects of Overall Low-Beam Intensity on Seeing Distance in the Presence of Glare (Flannagan, Sivak, Traube, and Kojima), Report No. UMTRI-96-26, July 1996.

Daytime Veiling Glare and Driver Visual Performance: Influence of Rake Angle and Dashboard Reflectance (Schumann, Flannagan, Sivak, and Traube), Report No. UMTRI-96-13, March 1996.

Effects of Realistic Dirt Levels on Light Distribution of Low-Beam Headlamps (Sivak, Flannagan, Traube, Kojima, and Aoki), Report No. UMTRI-96-10, March 1996.

Are Driver-Side Convex Mirrors Helpful or Harmful? (Schumann, Sivak, and Flannagan), Report No. UMTRI-96-7, March 1996.

Reaction Time to Center High-Mounted Stop Lamps: Effects of Context, Aspect Ratio, Intensity, and Ambient Illumination (Sayer, Mefford, Flannagan, and Sivak), Report No. UMTRI-96-3, January 1996.

Effects of Foreground Illumination, Wet Pavement, and Driver Age on Pedestrian Detection Distance (Flannagan, Sivak, Traube, and Aoki), Report No. UMTRI-95-23, November 1995.

Drivers' Vision, Age, and Gender as Factors in Twilight Road Fatalities (Owens and Brooks), Report No. UMTRI-95-44, November 1995.

Glare and Mounting Height of High Beams Used as Daytime Running Lamps (Sivak, Flannagan, and Aoki), Report No. UMTRI-95-40, November 1995.

Effects of the Lateral Position of the Low-Beam Headlamps on the Perceived Distance of Vehicles (Flannagan, Sivak, Aoki, Traube, and Harrison), Report No. UMTRI-95-21, July 1995.

Headlamp Beam-Pattern Shifts with Thermoplastic Complex Reflectors: A Comparison to Shifts from Other Causes (Sivak and Flannagan), Report No. UMTRI-95-17, July 1995.

Effects of Retroreflector Positioning on Nighttime Recognition of Pedestrians (Luoma, Schumann, and Traube), Report No. UMTRI-95-18, June 1995.

Effects of Intensity, Area, and Aspect Ratio on Reaction Times to Stop Lamps (Sayer, Flannagan, and Sivak), Report No. UMTRI-95-10, April 1995.

Effects of Turn-Signal Color on Reaction Times to Brake Signals (Luoma, Flannagan, Sivak, Aoki, and Traube), Report No. UMTRI-95-5, February 1995.

Effects of Driver-Side Mirror Type on Lane-Change Accidents (Luoma, Sivak, and Flannagan), Report No. UMTRI-94-34, November 1994.

Discomfort Glare and Brightness as Functions of Wavelength (Flannagan, Sivak, and Traube), Report No. UMTRI-94-29, October 1994.

The Effects of Automobile Head-Up Display Location for Younger and Older Drivers (Flannagan and Harrison), Report No. UMTRI-94-22, July 1994.

Factors Influencing Visibility through Motor Vehicle Windshields and Windows: Review of the Literature (Sayer and Traube), Report No. UMTRI-94-20, July 1994.

Head-Up Displays for Automotive Applications (Harrison), Report No. UMTRI-94-10, May 1994.

The Role of Reduced Visibility in Nighttime Road Fatalities (Owens and Sivak), Report No. UMTRI-93-33, November 1993.

Reaction Times to Neon, LED, and Fast Incandescent Brake Lamps (Sivak, Flannagan, Sato, Traube, and Aoki), Report No. UMTRI-93-37, September 1993.

Light Output of U.S., European, and Japanese Low-Beam Headlamps (Sivak, Flannagan, and Sato), Report No. UMTRI-93-36, September 1993.

Effects of Voltage Drop on Rise Time and Light Output of Incandescent Brake Lamps on Trucks (Sivak, Sato, and Flannagan), Report No. UMTRI-93-28, July 1993.

The Relative Importance of Horizontal and Vertical Aim of Low-Beam Headlamps (Sivak, Flannagan, and Sato), Report No. UMTRI-93-26, July 1993.

Discomfort Glare from High-Intensity Discharge Headlamps: Effects of Context and Experience (Flannagan, Sivak, Battle, Sato, and Traube), Report No. UMTRI-93-10, March 1993.

In-Traffic Evaluations of High-Intensity Discharge Headlamps: Overall Performance and Color Appearance of Objects (Sivak, Flannagan, Traube, Battle, and Sato), Report No. UMTRI-93-3, January 1993.

Effects of Light Transmittance and Scatter by Windshields on Nighttime Visual Performance (Owens, Sivak, Helmers, Sato, Battle, and Traube), Report No. UMTRI-92-37, October 1992.

Response Times Using Flat, Convex, and Multiradius Rearview Mirrors (Helmers, Flannagan, Sivak, Owens, Battle and Sato), Report No. UMTRI-92-20, June 1992.

Ranges of Stop Sign Chromaticity under Tungsten-Halogen and High-Intensity Discharge Illumination (Flannagan, Sivak, Gellatly, and Luoma), Report No. UMTRI-92-17, May 1992.

Reaction Times to Body-Color Brake Lamps (Chandra, Sivak, Flannagan, Sato, and Traube), Report No. UMTRI-92-15, May 1992.

A Field Study of Discomfort Glare from High-Intensity Discharge Headlamps (Flannagan, Sivak, Gellatly, and Luoma), Report No. UMTRI-92-16, April 1992.

Joint Effects of Wavelength and Ambient Luminance on Discomfort Glare from Monochromatic and Bichromatic Sources (Flannagan, Sivak, and Gellatly), Report No. UMTRI-91-42, November 1991.

The Influence of Truck Driver Eye Position on the Effectiveness of Retroreflective Traffic Signs (Sivak, Flannagan, and Gellatly), Report No. UMTRI-91-35, September 1991.

Subjective Preferences for the Red Color of Stop Signs: Implications for the Design of High-Intensity-Discharge Headlamps (Sivak, Flannagan, Gellatly, and Luoma), Report No. UMTRI-91-27, June 1991.

Methods for Evaluating Discomfort Glare (Weintraub, Gellatly, Sivak, and Flannagan), Report No. UMTRI-91-13, April 1991.

Context Effects on Discomfort Glare: Task and Stimulus Factors (Flannagan, Weintraub, and Sivak), Report No. UMTRI-90-35, November 1990.

Reaction Time to High-Contrast Brake Lamps (Sivak, Flannagan, and Gellatly), Report No. UMTRI-90-30, July 1990.

User Reconfigurations of the de Boer Rating Scale for Discomfort Glare (Gellatly and Weintraub), Report No. UMTRI-90-20, May 1990.

The Measurement of Dark Adaptation Level in the Presence of Glare (Olson and Aoki), Report No. UMTRI-89-34, November 1989.

Effect of Wavelength on Discomfort Glare from Monochromatic Sources (Flannagan, Sivak, Ensing, and Simmons), Report No. UMTRI-89-30, November 1989.

Discomfort Glare is Task Dependent (Sivak, Flannagan, Ensing, and Simmons), Report No. UMTRI-89-27, October 1989.

Color of Retroreflective Traffic Sign Materials when Illuminated by High-Intensity-Discharge Headlights (Simmons, Sivak, and Flannagan), Report No. UMTRI-89-7, March 1989.

Driver Eye Fixations under Different Operating Conditions (Olson, Battle, and Aoki), Report No. UMTRI-89-3, February 1989.

Effect of Headlamp Area on Discomfort Glare (Sivak, Simmons, and Flannagan), Report No. UMTRI-88-41, October 1988.

Human Performance Aspects of Rearview Mirrors (Flannagan), Report No. UMTRI-88-20, May 1988.

 

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