UPDATE: 14 July, 4:06pm SH1 is now open.
State Highway 1 is CLOSED due to a serious crash between the intersection of State Highway 29 and Tirau.
The NZ Transport Agency says a detour is currently in place via SH 29 & SH 27 in both directions between Karapiro & Tirau.
At this stage the highway is expected to be closed for several hours and motorists are advised to allow extra time for their journey.
For personalised information about driving conditions on their frequently used routes, motorists can check out and sign up to On The Move at www.onthemove.govt.nz(external link).