On roads with three carriageways, on which one is traffic usually allowed in both directions?
Traffic rules
Explanation
On **three-carriageway roads**, the **central carriageway** is generally used for traffic in both directions. This is because the lateral carriageways are intended for one-way traffic each.
- On a three-carriageway road, the typical arrangement is that the lateral carriageways are used for one-way traffic, while the central carriageway can accommodate traffic in both directions.
- This configuration allows for better management of vehicle flow, especially in situations where flexibility is needed to handle traffic in opposite directions.
Therefore, on a three-carriageway road, the **central carriageway** is the one usually used for traffic in both directions, thus ensuring efficient use of road infrastructure.
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