French | Russian
|Regional or national deviation from Article is possible under the provisions of Chapter 9|
1. Prohibition of passage through an opening in a weir may be indicated by:
One or more red lights or red-white-red boards (sign A.1, annex 7).
2. Passage through an opening in a weir is permitted only when the opening is marked to the left and to the right by:
A sign E.1 (annex 7).
3. By derogation from paragraph 2 above, in the case of weirs with an overhead bridge, passage through an opening may also be authorized by:
A sign D.1a or D.1b (annex 7) placed on the bridge above the channel.