In slow-moving traffic approaching roadworks, how should you use the lanes to help reduce congestion and unnecessary emissions?

Explanation

The Highway Code (Rule 134) advises you to follow road signs and markings, avoid unnecessary lane changes in congested conditions, and use merging in turn only when vehicles are travelling at very low speed and it is safe. Smooth, predictable driving helps traffic flow more efficiently, which reduces stop–start movement, fuel use and emissions.