How do I know what size of the cone to put on the road?


Last Update 4 years ago

The size of the cone that you use is determined by the speed at which traffic uses the road. On most roads in a built-up area, the speed limit is 30mph and cone height required is 450mm (18"). 

When you start working on a motorway you then need a 750mm (30") cone but you will find most contractors use a 1m cone. You can use bigger cones but you should not use smaller ones.

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