A three-vehicle collision involving a truck on State Highway 1 near Manakau, Horowhenua, injured three people on Friday [1, 2].

The incident caused significant travel disruptions in the lower North Island, highlighting the vulnerability of New Zealand's primary arterial routes to major accidents.

Emergency responders attended the scene south of Levin, where the crash forced the closure of the highway for several hours [1, 2]. Authorities said that three people were injured in the accident [1]. Of those injured, one person remains in critical condition [1, 2].

The collision involved three vehicles, including a truck [1, 2]. The impact and subsequent emergency response required the total closure of the road to ensure the safety of the victims and first responders.

State Highway 1 remained closed for seven hours [1] before officials reopened the route to traffic. The closure created a bottleneck for commuters and freight moving through the Horowhenua region.

Local authorities have not yet released the cause of the crash. The investigation into the sequence of events that led to the three-vehicle collision is ongoing.

Three people were injured in the accident

The closure of State Highway 1, a critical transport artery for the North Island, demonstrates how a single vehicle accident can paralyze regional logistics and travel. The involvement of a heavy vehicle often extends the duration of road closures due to the complexity of wreckage removal and the necessity of detailed forensic investigations into road safety.