Explanation: This is a 'no entry' sign. Ignoring this sign could end up with you driving the wrong way down a one-way street, heightening danger for all other road users. In some cases, ignoring these signs is a prosecutable offence.
Category: Road and traffic signs (2021)
References: The Official DVSA Guide to Driving: Section 6, Highway Code: Page 106, Know Your Traffic Signs: Page 17
