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CDifficulty 3/5

You are travelling on a dual carriageway in very adverse weather and environmental conditions. How should you choose your speed when encountering this sign?

You are travelling on a dual carriageway in very adverse weather and environmental conditions. How should you choose your speed when encountering this sign?

Correct answer

Adapt speed to conditions and applicable limits, even below the recommended range.

S-9 recommends a speed range when weather, environmental, road and traffic conditions are favourable. In very adverse conditions, adapt speed for safety even if that means travelling below the recommended range. The sign does not require driving at 70 or 90 km/h or permit exceeding legal or signed limits. If conditions prevent maintaining a minimum speed safely, the relevant regulatory exceptions apply.

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  • Maintain the indicated range compulsorily, even if unsafe.

  • Adapt speed to conditions and applicable limits, even below the recommended range.

  • Choose 70 or 90 km/h solely by MAM, without considering conditions.

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