In Ukrainian vehicle technical regulations, is it permissible to install studded winter tyres on only one vehicle axle?

Answer and explanation

Correct answer: A. Strictly prohibited: studded tyres must be fitted on all four wheels simultaneously

  1. Step 1: Under Ukrainian Traffic Regulations (PDR) and vehicle safety standards, Mismatched studded tyres cause severe asymmetric braking imbalance and are banned. Answer: Strictly prohibited: studded tyres must be fitted on all four wheels simultaneously. Why not the others: Permitted on the front driven axle only does not represent the statutory Ukrainian safety requirement.

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