A truck breakdown slowed traffic for a time on State Highway 1 north of Waihola, where in an earlier accident today another truck went off the road.
NZ Transport Agency Waka Kotahi said a truck had broken down on the highway near the intersection with Phosphate Rd.
NZTA initially said the highway was closed and motorists were are advised to avoid the area and to delay their journey if possible.
About 11.25am the agency advised that the road was clear.
Earlier, the northbound lane of State Highway 1 was blocked in Waihola after a logging truck slipped off the road.
Police said they were called to the incident, near Surrey Heights Rd, about 7.30am.
"There doesn't appear to be any injuries and there are no other vehicles reported to be involved."