By 3 News online staff
A serious crash near Kumeu has closed a State Highway and caused traffic delays this morning.
Two trucks collided on SH16 between Kumeu and Waimauku, injuring three people who have been taken to hospital.
Two of those injured are in critical condition, while the other is in a serious condition.
The road is closed between Foster Rd and Trigg Rd.
Diversions are in place and delays are expected for both east and westbound traffic.