SH1 weekend closures
Posted: 20-Jan-2022 |

Essential maintenance work on the SH1 Penrose Road bridge is requiring SH1 northbound closures across six weekends. 

The work began last weekend and is anticipated to take six weeks to complete. In order to minimise disruptions, the work will be carried out overnight on weekends only (Fri – Sun), from 9pm to 8am. 

While work is being carried out SH1 northbound lanes from Mt Wellington to Ellerslie-Panmure Interchange will be closed. Traffic will be detoured onto Great South Road. Detours will be signposted and are expected to add approximately 10 minutes to journeys.  

During the six weeks of planned work, the Penrose Road bridge will be operating with stop/go controls from 9pm each Friday through to 8am each Monday. These restrictions are necessary to ensure that  traffic can safely move across the bridge while it is being repaired. 

“The Penrose Road bridge is the lowest bridge on the Auckland motorway network and because of this it is prone to bridge strikes (oversized transport trucks hitting the bridge),” says Jacqui Hori-Hoult, Waka Kotahi Transport Systems Regional Manager for Auckland and Northland

“With recent upgrades in 2017 to install a new warning system and the addition of a bridge protection beam to absorb the impact of any strikes, the bridge’s old steel plate is now redundant. As the old steel protecting has sustained significant damage over the years it must be removed.”

The six week work programme coincides with two long weekends (Auckland Anniversary and Waitangi Day) which may impact holiday travel plans.

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