Auckland traffic: Overheight vehicle forces Waterview Tunnel closure on State Highway 20 19 May, 2021 09:02 PM Quick Read The Herald's Grant Bradley rode the Waterview Connection tunnel on his push bike NZ Herald Waka Kotahi NZTA confirmed the closure at 8.50am, meaning southbound motorists faced delays. SH20 SOUTHBOUND WATERVIEW TUNNEL - 8:50AM Due to a potential overheight vehicle the Southbound Waterview Tunnel is temporarily closed. Delay your journey until reopening clearance is obtained. ^TP pic.twitter.com/8FbdinAZxW— Waka Kotahi NZTA Auckland & Northland (@WakaKotahiAkNth) May 19, 2021 The lanes were closed for about 10 minutes, with a backlog of vehicles reported during that time. The closure was the result of a potential overheight vehicle trying to travel southbound through the main arterial route.