Enhanced Rear Lighting and Signaling:  

• Lee, S. E., Llaneras E., Klauer S., Sudweeks J. (2007) Analyses of Rear-End Crashes and Near-Crashes in the 100-Car Naturalistic Driving Study to Support Rear-Signaling Countermeasure Development, DOT HS 810 846



• Wierwille W. W., Lee S. E., and DeHart  M. C. (2005). Enhanced Rear Lighting and Signaling Systems: Project Final Report Emphasizing Task 3 Results: Test Road Experiment on Imminent-Warning Rear Lighting and Signaling. DOT HS 809 864.



• Wierwille W. W., Lee S. E., and DeHart M. C.(2003). Enhanced Rear Lighting And Signaling Systems Task 2 Report: Testing and Optimization of High-Level and Stopped/Slowly-Moving Vehicle Rear Signaling Systems. DOT HS 809 597.



• Lee S. E., Wierwille W. W., and Klauer S. G. (2002). Enhanced Rear Lighting And Signaling Systems: Literature Review and Analyses of Alternative System Concepts. DOT HS 809 425.

Work on the Center High Mounted Stop Lamp:

• Kahane, C. Hertz, E. (1998). The Long-Term Effectiveness of Center High Mounted Stop Lamps in Passenger Cars and Light Trucks. DOT HS 808 696.

Turn signal Color: 

NHTSA is conducting exploratory analysis on the safety implications of turn signal color.