Art. 37 Ordinance of September 5, 1979, on Road Signage (OSR) - Main Road

The "Main Road" sign (3.03) designates priority roads and informs the driver that the right-of-way rule provided by law (Art. 36, para. 2, LCR) is nullified at upcoming intersections. The traffic regulations specifically concerning main roads (e.g., Art. 19 OCR) apply to such roads.

The "Main Road" sign shall be placed at the beginning of a road of this category and repeated, within localities immediately before the intersection, outside localities immediately after. It is not necessary to place this sign near insignificant intersections.

The signage of main roads that change direction is governed by Art. 65, para. 1.

National roads which, due to their infrastructure, are neither highways nor expressways, shall be marked as main roads.

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