Whanganui Police are urging motorists to be cautious and stay alert this long weekend, as traffic on roads across the country builds up.
Sergeant Colin Wright of the Whanganui Road Policing Group says police have additional staff patrolling highways and main routes from noon on Friday through to late Monday evening.
Wright says Friday and Monday will be two big days of policing.
"The traffic volumes are expected to increase from about midday on Friday through to the late afternoon and into the evening. The weather will play a big part in people's decision when to leave.
"On Monday the traffic volumes will increase from about midday right through to late evening. Again, weather will play its part in making people decide either to leave their destination early or late to return home."