A bystander who witnessed the crash near Paeroa yesterday said the was the driver was not injured.
"The only thing that was hurt about the cop was his pride ... A bit embarrassing for him and something his workmates won’t let him forget for a while I’d say," they said.
A police spokesperson confirmed that at about 5pm yesterday, "a police vehicle slid on loose metal during a U-turn and went into a ditch on Hauraki Rd in Paeroa".
"The officer wasn’t injured and there is no damage to the vehicle," Police said.