← Waiting and parking
Rule 242: Dangerous and obstructive parking
Legal requirement — says MUST
Parking (rules 239 to 247)
You MUST NOT leave your vehicle or trailer in a dangerous position or where it causes any unnecessary obstruction of the road.
Laws RTA 1988 sect 22 & CUR reg 103
Why the capitals matter. The Highway Code writes a rule in capitals — MUST or MUST NOT — when it is backed by law, so breaking it is a criminal offence. The rules that do not use capitals are advice.
2 theory test questions on this rule
From the DVSA revision question bank. These are not the questions asked in the real theory test. Each one shows the answer, the explanation, and our own note on why every other option is not it.