BEFORE you risk a hefty fine, make sure you understand the crucial rules about white zig-zag lines. Here are the reasons why ignoring these markings could cost you more than you think. In the UK ...

Mersey Police will crackdown on drivers parking on zig zag crossings ... are indicated by a white 'bay' marking with the words 'Loading Only' and a sign with the white on blue 'trolley' symbol.