UPDATED: Bay of Plenty Police are advising motorists that State Highway One, Wairakei, remains closed after a crash earlier this morning .
A crane has arrived to assist with moving the truck and this is expected to take about three hours, says a police spokesperson.
"Detours remain in place. Motorists are thanked for their patience."
A state highway which runs through the Bay of Plenty Police district is blocked after a logging truck rolled.
A police spokesperson says State Highway 1 is blocked in Wairakei, north of Taupo.
"A logging truck rolled near Palmer Mill Road around 5.40am and the driver is in a serious condition.
"Initial information suggests the road may be blocked for some time and motorists should avoid the area if possible."
SH1 WAIRAKEI, ROAD CLOSED - CRASH - 6:15AM
A crash has closed #SH1 in the Wairakei area, north of Taupo. A short detour is being set. Please allow extra time for your journey: https://t.co/mIvhvh26YV ^TP pic.twitter.com/tzQxRsXZpc— NZTA Waikato/BoP (@NZTAWaiBoP) June 21, 2018