Dramatic footage has emerged of the moment a digger struck the Penrose overbridge, bringing Auckland motorway traffic to a standstill for several hours.
The digger was being transported by a truck when its arm struck the overbridge about 1.15pm on Monday.
Waitemata police are investigating the incident and are considering whether to lay charges.
![The digger collision with the Penrose overbridge on Auckland's Southern Motorway caused major delays. Photo / Nick Reed](https://www.nzherald.co.nz/resizer/v2/DI7S6TFZ3SJCJTRWODNFPPQZ6M.jpg?auth=62e86eec2dd87c3be5551c9f2416b1cbec340374eb9b2ef5118a2a304137f9cf&width=16&height=11&quality=70&smart=true)
The police motorway team was reviewing CCTV footage and statements from witnesses and those directly involved in the crash.