What minimum safety distance must a truck over 3,500 kg MMA maintain in a tunnel or underpass if it does not intend to overtake?

Question

DentroTest · Accepted Answer

Traffic regulations establish specific safety rules in tunnels and underpasses due to the higher risk in these sections. For vehicles with a Maximum Authorized Mass (MAM) exceeding 3,500 kg (such as heavy trucks), the safety distance from the vehicle in front, when not intending to overtake, must be at least 150 meters or a minimum interval of 6 seconds. The 100-meter answer is incorrect because that distance applies to light vehicles (up to 3,500 kg).

What minimum safety distance must a truck over 3,500 kg MMA maintain in a tunnel or underpass if it does not intend to overtake?

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