Guidance summary
Break the driving period before fatigue builds
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Under the assimilated rules, take 45 minutes after at most 4½ hours driving, or split this into at least 15 then 30 minutes. A break contains no other work. Daily driving is normally 9 hours, extendable to 10 twice per fixed week. These are legal limits, not permission to continue when tired.
Source: Break the driving period before fatigue builds
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