Driving instructor Annie Winterburn clarifies confusion between two similar road signs on TikTok.

Driving instructor Annie Winterburn, known as @theorytestpractice on TikTok, has addressed confusion surrounding two similar road signs: one indicating the end of a dual carriageway and the other warning of a narrowing road. Both signs feature a red triangle with converging lines, but one shows a complete closure of the gap while the other narrows slightly. Her informative videos have gained popularity, assisting many in passing their theory tests.