NZ Transport Agency Waka Kotahi (NZTA) advises that there will be delays of up to 30 minutes on Monday, 1 July between Ikamatua and Stillwater (SH7), near Greymouth.
Road maintenance work will be underway at Kamaka at the Stillwater end between 9 am and 2 pm.
The detour route is via Atarau and the Taylorville-Blackball Roads on the other side of the Grey River.
NZTA thanks all drivers for their patience while this work is underway.