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SH1 Speed Restriction, Utiku

Waka Kotahi will be undertaking further assessment where fresh cracks have developed in the road on State Highway 1 between Taihape and Mangaweka.

August 31, 2023

Road users can expect a 30km/h temporary speed limit through the area and a temporary re-alignment and narrowing of traffic lanes.

A reactivated landslide, or ‘slow slip’ has resulted in cracking between Micklesons Road and Utiku South Road at Utiku. This area has been prone to movement and cracks in the past and contractors have previously sealed cracks as part of ongoing maintenance in the area.

The discovery of fresh cracks in the road has resulted in the recommendation for further geotech assessment and real-time data monitoring.

This stretch of road has been resealed to minimise the damage from the cracks and it has been operating under a 50km/h temporary speed limit since this was completed last week. However, this will be reduced further to 30km/h to ensure the safety of all road users by diverting them away from the area being monitored.

For more information, visit the Waka Kotahi NZTA website.