Look for the band of the coin. If the inner band is hidden in the tread, your tire is over 3 mm. If the inner band is shown, you should consider new tires. For an Australian 20-cent: Put the coin ...

Drivers who break a 3mm rule could face £10,000 fines. Motorists have been urged to ensure their tyre tread depth is A-OK amid Storm Eowyn's approach, with a £2,500-per-tyre fine being issued to road ...