When traveling inside a two-way tunnel, is it permitted to make a U-turn?

Question

DentroTest · Accepted Answer

In accordance with the General Traffic Regulations, making a U-turn is totally prohibited in tunnels, underpasses and road sections affected by the tunnel sign (S-5), except in places expressly designated and signed for it. The reduced dimensions of the roadway, the lack of escape routes and the visibility conditions make this turn a maneuver with a very high risk of head-on or rear-end collision. Therefore, circumstances such as artificial lighting or the temporary absence of oncoming traffic do not in any case allow that maneuver.

When traveling inside a two-way tunnel, is it permitted to make a U-turn?

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