The Official Highway Code

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Motorways

Many other Rules apply to motorway driving, either wholly or in part: Rules 46, 57, 83-126, 130-134, 139, 144, 146-151, 160, 161, 219, 221-222, 225, 226-237, 274-278, 280, and 281-290.

General

Motorway signals

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Motorway signals (see page 102) are used to warn you of a danger ahead. For example, there may be an incident, fog, a spillage or road workers on the carriageway which you may not immediately be able to see.