Tag: upper_harbour_motorway_sh18

NZTA Announces Overnight Motorway Closures Across Auckland, 13-18 September 2026

11 Sep 2026 10:05 a.m. · Source: NZTA

NZ Transport Agency Waka Kotahi advises overnight closures on Auckland's SH1, SH16, SH18, SH20 and SH20A for improvements, with most work running 9pm to 5am and detours signposted.

Transportation General Politics NZ Transport Agency Waka Kotahi Auckland motorway closures Northern Motorway SH1 Southern Motorway SH1 Northwestern Motorway SH16 Upper Harbour Motorway SH18 Southwestern Motorway SH20 NZTA Auckland