Driving in adverse weather conditions · Icy and snowy weather
Rule 229: Before you set off you MUST be able to see
Before you set off
you MUST be able to see, so clear all snow and ice from all your windows
you MUST ensure that lights are clean and number plates are clearly visible and legible
make sure the mirrors are clear and the windows are demisted thoroughly
remove all snow that might fall off into the path of other road users
check your planned route is clear of delays and that no further snowfalls or severe weather are predicted.
Rule 229: Make sure your windscreen is completely clear
In the Highway Code, MUST and MUST NOT identify legal requirements. Advice using should, should not, do or do not can still be used as evidence in court proceedings under the Traffic Acts to establish liability. The introduction explains this distinction.
The rules either side
The Code reads in order, and each of these names the rule it goes to rather than saying only ‘next’.