State Highway 1 near Tokoroa is expected to be closed until mid-afternoon following a serious crash.
The crash involving a truck and car near the SH1 and Tamatea Rd intersection happened about 9.50am and left one person in a critical condition.
The person has been flown to Waikato Hospital, police said.
“The road is expected to remain closed until at least 3pm today.
“Motorists are advised to take alternative routes or delay travel where possible,” a statement said.
The Serious Crash Unit has been advised and diversions are in place at Rollett Rd and Wiltsdown Rd.
Police have asked motorists to follow traffic management instructions or delay travel.
A Fire and Emergency spokesperson said two Tokoroa crews and a Putāruru support crew were at the scene.
“The brigade advised us that [there was] one person trapped in the car.
“As of 10.29am they have been extricated.”
NZ Transport Agency Waka Kotahi issued a social media alert at 10.25am.
“SH1 is closed between Rollett Rd, Tokoroa and Wiltsdown Rd, Lichfield.
“Delay your journey or allow extra time for diversions and delays.”
Maryana Garcia is a Hamilton-based reporter covering breaking news in Waikato. She previously wrote for the Rotorua Daily Post and Bay of Plenty Times.
Diversions are set at Whangapoua and Matarangi on SH25.