You’re driving on this dual carriageway. Why may you need to slow down?

BB1454
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You're driving on this dual carriageway. Why may you need to slow down?

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Look well ahead and read any road signs as you drive. They’re there to inform you of what’s ahead. In this case, you may need to slow down and change direction.
Check your mirrors so you know what’s happening around you before you change speed or direction.