Highway Code Rule 289

Take special care on motorways and other high-speed dual carriageways.

• One or more lanes may be closed to traffic and a lower speed limit may apply.
• Works vehicles that are slow moving or stationary with a large ‘Keep Left’ or ‘Keep Right’ sign on the back are sometimes used to close lanes for repairs, and a flashing light arrow may also be used to make the works vehicle more conspicuous from a distance and give earlier warning to drivers that they need to move over to the next lane.
• Check mirrors, slow down and change lanes if necessary.
• Keep a safe distance from the vehicle in front (see Rule 126).

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