Trends in Fatal Crashes in Darkness: 1990 to 2006 (Sullivan and Flannagan), Report No. UMTRI-2008-33, May 2008.
Mirror Size and Lane-Change Crashes (Sivak, Devonshire, Flannagan, and Reed), Report No. UMTRI-2008-32, May 2008.
Real-World Frequency of Use of Lighting Equipment (Buonarosa, Sayer, and Flannagan), Report No. UMTRI-2008-14, April 2008.
Prevalence of LED Light Sources on Vehicles Sold in the U.S. (Schoettle, Sivak, and Takenobu), Report No. UMTRI-2008-12, April 2008.
The Conspicuity of First-Responder Safety Garments (Tuttle, Sayer, and Buonarosa), Report No. UMTRI-2008-4, April 2008.
Benefits of Headlamp Leveling and Cleaning for Current U.S. Low Beams (Flannagan, Sivak, and Schoettle), Report No. UMTRI-2007-46, November 2007.
Warning Reliability and Driver Performance in Naturalistic Driving (Sullivan, Tsimhoni, and Bogard), Report No. UMTRI-2007-44, November 2007.
Seasonal Variations in Conspicuity of High-Visibility Garments (Buonarosa and Sayer), Report No. UMTRI-2007-42, November 2007.
Moon Phases and Nighttime Road Crashes Involving Pedestrians (Sivak, Schoettle, and Tsimhoni), Report No. UMTRI-2007-41, September 2007.
Availability and Implementation Trends of Daytime Running Lights in the U.S. (Takenobu, Schoettle, and Sivak), Report No. UMTRI-2007-33, August 2007.
Truck Mirrors, Fields of View, and Serious Truck Crashes (Blower), Report No. UMTRI-2007-25, June 2007.
Market-Weighted Trends in the Design Attributes of Headlamps in the U.S. (Schoettle, Sivak, and Takenobu), Report No. UMTRI-2007-20, June 2007.
Characteristics of Nighttime Pedestrian Crashes: Implications for Headlighting (Sullivan and Flannagan), Report No. UMTRI-2007-3, May 2007.
Improving Pedestrian Detection with a Simple Display for Night Vision Systems (Tsimhoni, Flannagan, Mefford, and Takenobu), Report No. UMTRI-2007-2, March 2007.
Effects of Automotive Interior Lighting on Driver Vision (Devonshire and Flannagan), Report No. UMTRI-2007-1, March 2007.
Mirror-Mounted Turn Signals and Traffic Safety (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2006-33, November 2006.
Recent Changes in Headlamp Illumination Directed Toward Traffic Signs (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2006-31, September 2006.
Body-Pillar Vision Obstructions and Lane-Change Crashes (Sivak, Schoettle, Reed, and Flannagan), Report No. UMTRI-2006-29, September 2006.
Conspicuity of High-Visibility Safety Apparel During Civil Twilight (Sayer and Mefford), Report No. UMTRI-2006-13, June 2006.
Analysis of the Visibility of Near-Infrared Illuminators (Tsimhoni, Flannagan, and Schoettle), Report No. UMTRI-2006-10, June 2006.
Effects of Dedicated Stop Lamps on Nighttime Rear-End Collisions (Luoma, Sivak, and Flannagan), Report No. UMTRI-2006-15, May 2006.
Real-World Use of High-Beam Headlamps (Mefford, Flannagan, and Bogard), Report No. UMTRI-2006-11, April 2006.
Implications of Fatal and Nonfatal Crashes for Adaptive Headlighting (Sullivan and Flannagan), Report No. UMTRI-2006-1, April 2006.
Distance Perception with a Camera-Based Rear Vision System in Actual Driving (Flannagan and Mefford), Report No. UMTRI-2005-38, December 2005.
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.
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.
The Effects of Secondary Tasks on Naturalistic Driving Performance (Sayer, Devonshire, and Flannagan), Report No. UMTRI-2005-29, November 2005.
Rearview Mirror Glare with Varying Vehicle Geometries (Flannagan), Report No. UMTRI-2005-25, September 2005.
Pedestrian Detection with Night Vision Systems Enhanced by Automatic Warnings (Tsimhoni, Flannagan, and Minoda), Report No. UMTRI-2005-23, September 2005.
Further Crash Evidence About the Nighttime Visibility of Trucks (Sullivan), Report No. UMTRI-2005-22, September 2005.
Effectiveness of Clear-Lens Turn Signals in Direct Sunlight (Sivak, Schoettle, Flannagan, and Minoda), Report No. UMTRI-2005-19, July 2005.
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.
Blue Content of LED Headlamps and Discomfort Glare (Sivak, Schoettle, Minoda, and Flannagan), Report No. UMTRI-2005-2, February 2005.
Effect of IRR Glazing on Radiant Heat and Thermal Comfort for On-Road Conditions (Devonshire and Sayer), Report No. UMTRI-2004-40, December 2004.
Pedestrian Detection with Near and Far Infrared Night Vision Enhancement (Tsimhoni, Bärgman, Minoda, and Flannagan), Report No. UMTRI-2004-38, December 2004.
An Examination of Naturalistic Windshield Wiper Usage (Wetzel, Sayer, and Funkhouser), Report No. UMTRI-2004-35, December 2004.
Mercury-Free HID Headlamps: Glare and Color Rendering (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2004-37, November 2004.
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.
The Roles of Retroreflective Arm Treatments and Arm Motion in Nighttime Pedestrian Conspicuity (Sayer and Mefford), Report No. UMTRI-2004-21, October 2004.
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.
Optimal Strategies for Adaptive Curve Lighting (Sivak, Schoettle, Flannagan, and Minoda), Report No. UMTRI-2004-22, August 2004.
Visibility and Rear-End Collisions Involving Light Vehicles and Trucks (Sullivan and Flannagan), Report No. UMTRI-2004-14, June 2004.
Driver Performance and Workload Using a Night Vision System (Sullivan, Bärgman, Adachi, and Schoettle), Report No. UMTRI-2004-8, March 2004.
Chromatic Aberrations Near the Cutoff of Low-Beam Headlamps (Sivak, Flannagan, Schoettle, and Adachi), Report No. UMTRI-2004-6, March 2004.
LED Headlamps: Glare and Color Rendering (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2003-39, November 2003.
A Market-Weighted Description of Low-Beam Headlighting Patterns in Europe: 2003 (Schoettle, Sivak, Flannagan, and Kosmatka), Report No. UMTRI-2003-37, November 2003.
Daytime Veiling Luminance from Windshields: Effects of Scattering and Reflection (Mefford, Flannagan, and Adachi), Report No. UMTRI-2003-36, November 2003.
Radiant Heat and Thermal Comfort in Vehicles (Devonshire and Sayer), Report No. UMTRI-2003-32, November 2003.
High-Visibility Safety Apparel and the Nighttime Conspicuity of Pedestrians in Work Zones (Sayer and Mefford), Report No. UMTRI-2003-29, September 2003.
Conspicuity of Mirror-Mounted Turn Signals (Schumann, Sivak, Flannagan, and Schoettle), Report No. UMTRI-2003-26, September 2003.
Geometric Visibility of Mirror-Mounted Turn Signals (Reed and Flannagan), Report No. UMTRI-2003-18, September 2003.
Functional Requirements for Daytime Running Lights (Rumar), Report No. UMTRI-2003-11, May 2003.
The Effects of Infrared-Reflective Treatment on Thermal Comfort During Transient Conditions (Devonshire and Sayer), Report No. UMTRI-2003-3, February 2003.
High-Beam Headlamp Usage on Unlighted Rural Roadways (Sullivan, Adachi, Mefford, and Flannagan), Report No. UMTRI-2003-2, February 2003.
Low-Beam Headlamp Illumination at Very High Angles  (Sivak, Schoettle, and Flannagan), Report No. UMTRI-2002-33, November 2002.
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.
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.
Hydrophobic Treatment of Glass Headlamp Lenses and the Effect on Light Output (Sayer, Mefford, and Nakata), Report No. UMTRI-2002-25, November 2002.
Performance of the First Generation of HID Headlamps in the U.S. (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2002-14, June 2002.
Night Vision Enhancement Systems: What Should They Do and What More Do We Need to Know? (Rumar), Report No. UMTRI-2002-12, June 2002.
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.
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.
Driving Performance with and Preference for HID Headlamps (Sivak, Flannagan, Schoettle, and Mefford), Report No. UMTRI-2002-3, February 2002.
The Appearance of Bending Light From Other Vehicles (Sullivan, Flannagan, and Schoettle), Report No. UMTRI-2002-2, February 2002.
The Safety Potential of Current and Improved Front Fog Lamps (Flannagan), Report No. UMTRI-2001-40, November 2001.
A Worldwide Perspective on Future Automobile Lighting (Rumar), Report No. UMTRI-2001-35, November 2001.
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.
Characteristics of Pedestrian Risk in Darkness (Sullivan and Flannagan), Report No. UMTRI-2001-33, November 2001.
Reaction Time to Clear-Lens Turn Signals Under Sun-Loaded Conditions (Sullivan and Flannagan), Report No. UMTRI-2001-30, September 2001.
Factors Affecting Color Correction of Retroreflective Markings (Sayer, Mefford, and Flannagan), Report No. UMTRI-2001-27, September 2001.
The Effects of Hydrophilic and Hydrophobic Rear-Window Treatments on Visual Performance (Sayer and Mefford), Report No. UMTRI-2001-21, June 2001.
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.
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.
Rise-Time Requirements for High Intensity Discharge Headlamps (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2001-14, April 2001.
Visual Effects of Blue-Tinted Tungsten-Halogen Headlamp Bulbs (Sullivan and Flannagan), Report No. UMTRI-2001-9, April 2001.
The Effects of Rear-Window Transmittance and Backup-Lamp Intensity on Backing Behavior (Sayer, Mefford, and Blower), Report No. UMTRI-2001-6, March 2001.
Field Measurements of Direct and Rearview-Mirror Glare from Low-Beam Headlamps (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2001-3, January 2001.
Mirror Field of View in Light Trucks, Minivans, and Sport Utility Vehicles (Reed, Ebert, and Flannagan), Report No. UMTRI-2001-1, January 2001.
Simultaneous Masking of Front Turn Signals by Headlamps and Other Front Lamps (Sivak, Flannagan, Schoettle, and Nakata), Report No. UMTRI-2000-44, November 2000.
Post-Mounted Delineators and Perceptual Cues for Long-Range Guidance During Night Driving (Schumann), Report No. UMTRI-2000-42, November 2000.
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.
A Market-Weighted Description of Low-Beam Headlighting Patterns in Europe (Sivak, Flannagan, and Schoettle), Report No. UMTRI-2000-36, September 2000.
The Effect of Color Contrast on Daytime and Nighttime Conspicuity of Roadworker Vests (Sayer and Mefford), Report No. UMTRI-2000-35, September 2000.
Effects of Nonplanar Driver-Side Mirrors on Lane Change Crashes (Luoma, Flannagan, and Sivak), Report No. UMTRI-2000-26, June 2000.
Field of View in Passenger Car Mirrors (Reed, Lehto, and Flannagan), Report No. UMTRI-2000-23, June 2000.
The Effect of Lead-Vehicle Size on Driver Following Behavior (Sayer, Mefford, and Huang), Report No. UMTRI-2000-15, June 2000.
Effects of the Spectra of Innovative Sources in Signal Lamps (Sullivan and Flannagan), Report No. UMTRI-2000-7, March 2000.
The Use of Parking and Auxiliary Lamps for Traffic Sign Illumination (Sivak, Flannagan, and Miyokawa), Report No. UMTRI-2000-2, January 2000.
A First Look at Visually Aimable and Harmonized Low-Beam Headlamps (Sivak, Flannagan, and Miyokawa), Report No. UMTRI-2000-1, January 2000.
Subjective and Objective Aspects of Headlamp Glare: Effects of Size and Spectral Power Distribution (Flannagan), Report No. UMTRI-99-36, November 1999.
Nighttime Visibility of Retroreflective Pavement Markings From Trucks Versus Cars (Rumar, Sivak, Traube, and Miyokawa), Report No. UMTRI-99-34, November 1999.
Historical Development and Current Effectiveness of Rear Lighting Systems (Moore and Rumar), Report No. UMTRI-99-31, October 1999.
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.
Assessing the Potential Benefit of Adaptive Headlighting Using Crash Databases (Sullivan and Flannagan), Report No. UMTRI-99-21, September 1999.
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.
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.
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.
Acceptable Delays in Switching Between Primary and Secondary Light Sources in Distributed Lighting (Sivak and Flannagan), Report No. UMTRI-99-10, March 1999.
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.
Predicting Mirror Adjustment Range for Driver Accommodation (Flannagan and Flannagan), Report No. UMTRI-98-45, October 1998.
Quantitative Comparisons of Factors Influencing The Performance of Low-Beam Headlamps (Sivak, Flannagan, and Miyokawa), Report No. UMTRI-98-42, October 1998.
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.
Do Changes in Voltage Result in Proportional Changes Throughout Headlamp Beam Patterns? (Sivak, Flannagan, Traube, and Miyokawa), Report No. UMTRI-98-27, August 1998.
Headlamp History and Harmonization (Moore), Report No. UMTRI-98-21, June 1998.
Vehicle Lighting and the Aging Population (Rumar), Report No. UMTRI-98-9, June 1998.
The Influence of Lens Haze on Headlamp Beam Patterns (Sivak, Flannagan, Kojima, and Traube), Report No. UMTRI-98-13, April 1998.
Effects of Retroreflective Marking Color on Pedestrian Detection Distance (Sayer, Mefford, Flannagan, Sivak, Traube, and Kojima), Report No. UMTRI-98-8, March 1998.
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.
Qualitative Evaluation of Headlamp Beam-Pattern Uniformity (Schumann, Sivak, Flannagan, Traube, and Kojima), Report No. UMTRI-97-43, October 1997.
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.
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.
The Influence of Hydrophobic Windshield Coating on Driver Visual Performance (Sayer, Mefford, Flannagan, Sivak, and Kojima), Report No. UMTRI-97-31, July 1997.
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.
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.
Adaptive Illumination Systems for Motor Vehicles: Towards a More Intelligent Headlighting System (Rumar), Report No. UMTRI-97-7, February 1997.
Just Noticeable Differences for Low-Beam Headlamp Intensities (Sayer, Flannagan, Sivak, Kojima, and Flannagan), Report No. UMTRI-97-4, February 1997.
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.
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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