Article 10. Position on the Carriageway

1. The direction of traffic shall be the same on all roads in a State except, where appropriate, on the roads used solely or principally by through traffic between two other States.

2. Animals moving along the carriageway shall be kept as close as possible to the edge of the carriageway appropriate to the direction of traffic.

3. Without prejudice to the provisions to the contrary of Article 7, paragraph 1, Article 11, paragraph 6, and to other provisions of this Convention to the contrary, every driver of a vehicle shall, to the extent permitted by circumstances, keep his vehicle near the edge of the carriageway appropriate to the direction of traffic. However, Contracting Parties or subdivisions thereof may lay down more precise rules concerning the position of goods vehicles on the carriageway.

4. Where a road comprises two or three carriageways, no driver shall take the carriageway situated on the side opposite to that appropriate to the direction of traffic.

5. (a) On two-way carriageways having four or more lanes, no driver shall take the lanes situated entirely on the half of the carriageway opposite to the side appropriate to the direction of traffic.
    (b) On two-way carriageways having three lanes, no driver shall take the lane situated at the edge of the carriageway opposite to that appropriate to the direction of traffic.

6. Without prejudice to the provisions of Article 11 and when an additional lane is indicated by a sign, drivers of vehicles moving slowly shall use that lane.