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| Document title | UN R48 and R148: Proposals for Supplements to the 07,08, and 09 series and to the 01 series of amendments, respectively | ||||||||||
| Date | 10 Feb 2026 |
Proposal to introduce selective yellow as an permitted alternative to white for front position lamps and daytime running lamps in UN R48 and UN R148. Studies confirm that selective yellow performs equally to white for oncoming vehicle recognition and speed estimation. Unlike historical filament lamp applications where a yellow filter reduced luminous intensity, modern LEDs achieve the same intensity levels without reduction. Specific amendments include: updating §5.15 to reflect selective yellow options and removing a duplicated front fog lamp requirement; amending §§6.9.7 and 6.19.7 to deactivate selective yellow position and daytime running lamps on the relevant side during direction indicator activation; and aligning UN R148 (01 series) by amending §§5.1.7, 5.4.7 and Annex 1 accordingly. The colour boundaries for selective yellow are already defined in §2.11.1.2 and require no amendment. Further details can be found in informal document GRE-94-05. |
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| Source(s) | GTB | ||||||||||
| Status | Formal GR review | ||||||||||
| Rulemaking area(s) | |||||||||||
| Regulatory impact |
UN R48 | 07 series of amendments | Supplement 11
UN R48 | 08 series of amendments | Supplement 9
UN R48 | 09 series of amendments | Supplement 4
UN R148 | 01 series of amendments | Supplement 7
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| Meeting(s) | |||||||||||
| Related documents | |||||||||||
| GRE-94-05 | UN R48 and R148: Supporting information for GRE/2026/8 | ||||||||||
| Downloads: | UNECE server | .pdf format | .docx format | GAR server | .pdf format | .docx format | |||||