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| Document Title | Research on Daytime Running Lamps of 4-wheeled Vehicles | ||||||||
| Reference Number | GRE-74-20 | ||||||||
| Date |
19 Oct 2015
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| Summary | Although required for motorcycles, Japan does not allow daytime running lamps on light cars and trucks. This presentation summarizes recent research into the impact of DRL on motorcycle and light vehicle conspicuity. | ||||||||
| Source(s) | Japan | ||||||||
| Rulemaking Area(s) | UN R87 Daytime Running Lamps | ||||||||
| Meeting(s) | |||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .pptx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| GRE | Session 74 | 20-23 Oct 2015 |
34. The expert from Japan presented the outcome of a study on daytime running lamps (DRL) (GRE-74-20). The purpose of the study was to verify the effects of DRL on road traffic in Japan from the perspectives of other road users (glare and visibility for pedestrians and oncoming vehicle drivers) as well as to check the conspicuity of a motorcycle in front of the four-wheeled vehicle with DRL. The test conditions included different levels of sky illuminance and DRL intensity. According to the expert, the study did not identify negative effects of DRL. He also pointed out that, based on the study results, legal consultations had started in Japan with the aim to find a solution for DRL for the purposes of listing Regulation No. 48 in an annex to UN Regulation No. 0. GRE commended Japan for such a comprehensive study and welcomed its outcome. |
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