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Road markings and box junctions quiz
Seven questions on the lines painted on the road: yellow box junctions (Highway Code rule 174), STOP lines, zig-zags, yellow lines and bus lanes.
Checked against GOV.UK · Report a mistake
Road markings quiz
Pick an answer to see straight away if you’re right, with the reason and the rule it comes from. Your score shows at the end. Nothing is saved or sent anywhere.
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You want to go straight ahead at a yellow box junction, but the road on the far side is blocked by stationary traffic. What must you do?
- Enter the box and wait inside it
- Wait before the box until the exit is clear Right
- Cross the box and stop just past it
- Enter if the traffic lights show green
The right answer is B: Wait before the box until the exit is clear
WhyYou must not enter a box junction if your exit is not clear.
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At crossroads, criss-cross yellow lines cover the junction. You want to turn right, your exit lane is clear and only oncoming traffic prevents the turn. What may you do?
- Enter the box even if your exit lane becomes blocked
- Enter the box and wait to turn right Right
- Enter only after an oncoming driver flashes their headlights
- Turn across the oncoming traffic because your exit is clear
The right answer is B: Enter the box and wait to turn right
WhyWith your exit clear, you may wait in the box to turn right if only oncoming or right-turning traffic stops you.
Source: The Highway Code, rule 174
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You are approaching a junction with a 'STOP' sign and a solid white line across the road. What must you do before you enter the major road?

- Slow down and drive out if nothing is coming
- Stop only if there is traffic on the major road
- Stop at the line and wait until the way is clear Right
- Treat it the same as a give way sign
The right answer is C: Stop at the line and wait until the way is clear
WhyAt a STOP sign you must stop at the line and only go when the way is clear.
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You want to park on a road that has zig-zag markings before and after a pedestrian crossing. What must you do?
- Park outside the zig-zags where parking is allowed Right
- Stop on the zig-zags for a short time only
- Park on the zig-zags after the crossing
- Stop on the crossing itself briefly
The right answer is A: Park outside the zig-zags where parking is allowed
WhyYou must not park anywhere within the zig-zag markings at a crossing.
Source: Know Your Traffic Signs: Pedestrian, cycle and equestrian crossings
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A passenger is ready to leave your car outside a school. Yellow zig-zags mark the entrance, and an upright sign prohibits stopping there during the current period. Where should you set the passenger down?
- On the zig-zags while the engine runs
- On the zig-zags if the passenger is ready
- On the zig-zags for a brief drop-off
- At another place where stopping is allowed Right
The right answer is D: At another place where stopping is allowed
WhyDuring the signed restriction, stopping on school entrance zig-zags is banned, including passenger drop-offs.
Source: Know Your Traffic Signs: On-street parking control signs and road markings, The Highway Code, rule 238
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On a road that is not a red route, a single yellow line and yellow kerb marks are accompanied by a plate prohibiting waiting and loading at the current time. There are no other restrictions and stopping would cause no danger or obstruction. What may you stop to do?
- Unload a heavy box
- Wait for a passenger to arrive
- Let a passenger get out Right
- Load a pre-paid purchase
The right answer is C: Let a passenger get out
WhyWaiting and loading restrictions still allow stopping while passengers board or alight.
Source: The Highway Code: Road markings, Know Your Traffic Signs: On-street parking control signs and road markings
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Your lane is queuing beside an empty bus lane. Its operating period is in force, and the signs give your car no permission to use it. You want to continue along the road. What should you do?
- Stay out of the bus lane Right
- Use the bus lane until a bus appears
- Use the bus lane while traffic is queuing
- Enter the bus lane if you keep moving
The right answer is A: Stay out of the bus lane
WhyUnless indicated otherwise, you should stay out of a bus lane during its operating period.
Source: The Highway Code, rule 141
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Yellow box junctions in one line
You must not enter the box until your exit road or lane is clear. The one exception: you may wait in the box to turn right when only oncoming traffic, or other vehicles waiting to turn right, stop you (Highway Code rule 174, checked 2 November 2026).
For any you got wrong, open the rule linked in the answer and read it once more. The Highway Code is one of the three books the theory test’s multiple-choice questions are based on (GOV.UK). Ready for more? Practise theory test questions by topic or take the 50-question timed practice quiz.
Keep going
- Read more: Yellow box junction, zig-zag lines, yellow lines and all road markings
- Speed limits quiz
- Roundabouts quiz
- Road signs quiz
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Sources
(8)
- The Highway Code, rule 174 (box junctions), GOV.UK
- The Highway Code, rule 141 (bus lanes), GOV.UK
- The Highway Code, rule 238, GOV.UK
- The Highway Code: road markings, GOV.UK
- Know your traffic signs: road markings, GOV.UK
- Know your traffic signs: regulatory signs, GOV.UK
- Know your traffic signs: pedestrian, cycle and equestrian crossings, GOV.UK
- Know your traffic signs: on-street parking control signs and road markings, GOV.UK
Source: The Highway Code and Know your traffic signs on GOV.UK, checked 2 November 2026. Contains public sector information licensed under the Open Government Licence v3.0.
