TA-54-02
UN R186: Proposal for tyre abrasion working document
Source(s)
Date
9 Nov 2026
Status
Subject
Meeting(s)

Proposal to revise the generic transfer function coefficient based on 2026 test campaign results, revise the ALI range for specific transfer function assessment, integrate assessment criteria for both test methods, and delete the coefficient of determination (R²) requirement since delta ALI and RMSE are sufficiently tight for assessment.

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