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    When going through a contraflow system on a motorway, what should you do?

    DVSA-style practice question · Motorway Rules

    The answer options

    • Use your dipped headlights
    • Switch lanes regularly
    • Remain close to the vehicle ahead
    • Keep a good distance from the vehicle aheadCorrect

    Why the other options are wrong

    • “Use your dipped headlights” is a distractor. It does not meet the standard the question is testing, which keep a good distance from the vehicle ahead does. Picking it in the real test costs a mark you cannot get back, and with a pass mark of 43 out of 50 you only have seven to spare.
    • “Switch lanes regularly” is a distractor. It does not meet the standard the question is testing, which keep a good distance from the vehicle ahead does. Picking it in the real test costs a mark you cannot get back, and with a pass mark of 43 out of 50 you only have seven to spare.
    • “Remain close to the vehicle ahead” is a distractor. It does not meet the standard the question is testing, which keep a good distance from the vehicle ahead does. Picking it in the real test costs a mark you cannot get back, and with a pass mark of 43 out of 50 you only have seven to spare.

    Why that is the answer

    In a contraflow system, lanes are usually narrower and temporary speed limits apply. Keeping a good distance from the vehicle ahead gives you enough time to react and stop safely if traffic slows down unexpectedly. As outlined in the Highway Code, you must get into the correct lane early and avoid switching lanes unnecessarily or tailgating, as restricted space increases collision risks.

    What motorway rules covers

    • · Joining and leaving via slip roads and matching traffic speed
    • · Lane discipline and who may not use the right-hand lane
    • · Red X signals, variable limits and emergency refuge areas
    • · Breakdowns, hard shoulder use and where to wait

    Mistakes learners repeat on this topic

    • · Treating the right-hand lane as a permanent fast lane rather than for overtaking
    • · Stopping on the hard shoulder for a phone call or a rest
    • · Driving in a lane marked with a red X because it looks clear
    • · Reversing back along a slip road after missing an exit

    Instructor tip: Every breakdown answer follows the same order: get left, get out on the nearside, get behind the barrier, then call.

    How this comes up in the real test

    Questions from motorway rules appear throughout the 50-question multiple-choice section, and the wording changes between versions. Learn the rule rather than the sentence: the DVSA can ask the same point from the opposite direction, and a memorised answer falls over the moment the phrasing moves.

    The pass mark is 43 out of 50, so seven wrong answers is your entire margin. If a whole category is shaky, run the topic practice below until you are getting every question right for the right reason, then go back to full mocks under the clock.

    Practise Motorway RulesSit a full mock test

    More motorway rules questions

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