Fire and emergency services said the driver was trapped, and they were there to help extricate him.
Police also attended a single-car crash in Haumoana at 3.32pm on Saturday.
The spokesman said one person suffered moderate injuries and three had minor injuries.
Emergency services also attended a crash involving a vehicle that had been driving off-road near the Tutaekuri River, Waiohiki, at around 8pm on Saturday.
Two ambulances assessed and treated two patients in a serious condition who were transported to Hawke's Bay hospital.
The last crash occurred in Havelock North at around 11.20pm on Saturday.
Police received reports of a car crashing into a pole, and partially blocking the road at the intersection of Porter Dr, Joll Rd, and Campbell St in Havelock North.
No power outages were caused as services are all underground in this area.
One person in moderate condition was treated and transported to Hawke's Bay Hospital.