Police say seven deaths on the roads this weekend are seven too many.
Motorists are advised to take extreme care driving home at the end of Labour Weekend.
With deteriorating weather expected in many areas, Superintendent Carey Griffiths said drivers should adjust the 'two second' distance rule to 'four seconds' - and keep their lights on.
The official holiday period ends at 6am on Tuesday.
Rest stops with free food and coffee are set up at Ruakaka in Northland, Ohakea in Manawatu and Ealing in Canterbury.
State Insurance, which sponsors the stops, says fatigue contributed to 32 deaths on the roads last year and 141 serious injuries.
To combat fatigue, State says drivers should get a good night's sleep, take short breaks at least every two hours and swap drivers where possible.