Sergeant Pat Duffy catches an extremely fast driver in Taranaki, while Constable Rick Lawrie pulls over a frustratingly slow one near Hanmer. Plus, Crate Day is not a great day for road safety in Canterbury.

A police vehicle ramming in Foxton takes running away to a new level. Going double the speed limit is a birthday blunder, but in the Lindis Pass they're sheepishly slow.