Recommendations span general measures including market surveillance and headlamp cleaning enforcement; literature review of installation heights and luminous flux limits in UN R48; technology improvements to Adaptive Driving Beam and dynamic levelling; infrastructure and driver awareness enhancements; regulation refinements; enforcement of aiming standards; and PTI provisions clarifying measurement definitions, floor requirements, and ADB/AFS specifications including latency, vehicle detection, and adaptive cut-off lines.
The agenda includes status updates from hard-working teams on PTI and ADB/AFS, updates from the GTB Task Force on Glare Control, and discussion of draft recommendations for GRE-94. Future meetings are scheduled for June 2026 in Brussels and September 2026 in Tokyo.
SLR-76 session documents are available on the SLR website. Actions include: correcting errors in UN R150 for submission to GRE-94; preparing Stage 2/Step 2 baseline documents for UN R48, R53, R74, and R86; finalizing simplification of paragraphs 6.×.4 and 6.×.5; discussing apparent surface methodology; approving technological neutrality amendments to UN R48 and R149; collecting literature on rear direction indicator visibility; and reviewing harmonization requirements. SLR-77 meeting scheduled April 15-17, 2026 in Brussels.
Draft technical prescriptions for discussion during the 23rd TyreGTR informal group session.
Draft as of 7 May 2019.
Working draft at the closing of the 23rd TyreGTR informal group session.
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