You are checking your trailer tyres. What is the legal minimum tread depth over the central three quarters of its breadth?

ما هو الحد الأدنى القانوني لعمق سطح الملامس للأرض من إطارات مقطورتك لمساحة 3 أرباع

Explanation: Trailers and caravans may be left in storage over the winter months and tyres can deteriorate. It's important to check their tread depth and also the pressures and general condition. The legal tread depth applies to the central three quarters of its breadth over its entire circumference.

Category: Arabic - Safety and Your Vehicle

References: The Official DVSA Guide to Driving: Section 14, Highway Code: Page 129