In Austrian traffic rules (StVO/KFG), what does the traffic sign showing a tyre with snow chains on a blue background mandate?

Answer and explanation

Correct answer: D. Snow chains must be fitted on at least two drive wheels

  1. Step 1: Sign Section 52/22 (Schneeketten vorgeschrieben) makes fitting snow chains compulsory for all motor vehicles on that road section, unless an additional plate exempts all-wheel drives with winter tyres. Answer: Snow chains must be fitted on at least two drive wheels. Why not the others: Vehicles with snow chains are prohibited from entering, Snow chains must be removed immediately onto the grass and Only tracked snowcat vehicles may proceed past this sign do not reflect statutory Austrian regulations.

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