The colder months often bring difficult driving conditions. So before winter sets in, Hertfordshire Police are stepping up patrols on the county's roads.
It's a visible presence - using marked cars, and speed guns to slow people down. The force hopes seeing more police around will mean drivers think twice about breaking the limit.
Click below to watch a report from ITV News Anglia's Olivia Paterson
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Rain this evening with showers expected tomorrow and minimum temperatures overnight of 9 deg C 9 66 deg F)
Early fog will clear to leave a dry day with sunny spells and highs of 18 deg C (64 deg F)
Overnight there'll be mist and fog but it will clear for Sunday leaving sunny spells.