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in front. 

If you have to stop in a tunnel, leave at least a 5-metre gap between you and the vehicle in front. 

<img src='content_image/850381.jpg'>

Download ‘Typical stopping distances’ 

## 6.Lines and lane markings on the road 

Download ‘Road markings’ to see diagrams of all lines. 

127. A broken white line.  This marks the centre of the road. When 

