Art. 7 Ordinance of September 5, 1979 on Road Signage (OSR) - Road Narrowing

The sign "Road Narrowing" (1.07) indicates that the road narrows on both sides, making crossings difficult. The sign will not be placed before construction zones signposted as such (Art. 9).

The signs "Road Narrowing on the Right" (1.08) and "Road Narrowing on the Left" (1.09) indicate that the road narrows on one side or that obstacles dangerously encroach on the edge of the road, making crossings difficult. Such obstacles will be marked in accordance with Art. 82.

The elimination of a traffic lane on a roadway comprising several lanes in the same direction will be announced with the plaque "Traffic Lane Layout" (4.77).

The width of the road at its narrowest point will be indicated, if necessary, by the supplementary plaque "Road Width" (5.15).

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