Constable Mark Wellstead of Alexandra does a preliminary breath test on the driver of a van at a police checkpoint on Oamaru's northern boundary about 6.30pm tonight. Photo by David Bruce.
Sergeant Peter Muldrew of Oamaru police outlines safety procedures to Students Against Drunk Driving who handed out information packets to Undie 500 drivers at a checkpoint in Oamaru tonight. Photo by David Bruce.
Action from the Undie 500. Photo supplied.
Drivers taking part in the Undie 500 are reportedly leaving Ashburton with police already pulling them over for a warrant of fitness check on the road between Christchurch and Ashburton.