A truck and trailer has rolled south of Lake Grassmere, near Taimate Road, blocking State Highway 1 earlier this mornming. Photo: Supplied.
One lane of SH1 has reopened to traffic after a truck rolled earlier this morning, blocking the road.
Stop/go traffic controls and a 30 km/h temporary speed limit are in place at the crash scene, and traffic bosses say drivers must follow instructions from road crews and emergency services.
Another brief closure will happen when the truck and trailer is removed from the highway
Travel delays will continue until the incident is fully cleared.
One person received minor injuries.