Proposal to permit greater discretion in the performance of the fade tests should track safety considerations warrant. In view of several fatal accidents, the test tracks are concerned over requirements to bring the vehicle to a full stop repeatedly and rigidity of the requirement for 15 snubs in quick succession;
49. The expert from Spain presented GRRF-75-42, on safety issues on proving grounds linked to braking tests and therefore proposed to modify the braking tests protocol. GRRF agreed that safety risks need to be considered, when defining safety rules applying to proving grounds and agreed to consider future proposals for amendments to the related UN Regulations, provided that studies demonstrate equivalence between the existing and the amended test procedures.