A box junction is a yellow box marked by criss-cross yellow lines painted on the road. Box junctions are most commonly found at crossroads and sometimes T-junctions.

How to approach a box junction?

You must not enter a box junction unless the exit road or lane is clear. Look ahead and if the car in front has moved forward enough for you to cross the box junction without stopping in it, then proceed.

You may only enter a box junction and wait when you are turning right and waiting for oncoming traffic or other vehicles waiting to turn right. In this instance, you can wait in the box junction until it is safe to proceed.

Box junction laws

You must only enter a box junction if your exit road or lane is clear or if you are turning right. It is against the law to enter a box junction if your exit is not clear and doing so could land you with a £100 fine if caught!

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