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Status report on investigating the test method for the sun load impact
Document GRE-75-16
6 April 2016

Presentation on the “phantom effect” of sunlight reflection on vehicle taillights, its role as a causation factor in road accidents, and research on a possible test method to evaluate light-signaling performance towards avoiding light washout under certain ambient conditions.

Submitted by Germany
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Previous Documents, Discussions, and Outcomes
4. | Simplification of lighting and light-signalling UN Regulations

12. The expert from Germany presented a draft Supplement to the UN LSD Regulation which introduced requirements for testing the sun load impact (ECE/TRANS/WP.29/GRE/2019/7). The proposal received comments from the experts of France, Japan (GRE-81-17), Netherlands, United Kingdom of Great Britain and Northern Ireland, CLEPA, OICA and SAE. The expert from IMMA made a study reservation. The Chair invited the expert from Germany to update the proposal, based on the comments received, for consideration at the next session.

9. (d) | Phantom light and colour washout

55. The expert from Germany informed GRE about the progress on the test method for the sun load impact on stop lamps and direction indicators (so-called “phantom effect”) (GRE-75-16).

Related and Previous Documents
GRE/2019/7