A report prepared for the NZ Transport Agency to measure the air quality effects of the Waterview Connection project shows that venting vehicle emissions from the tunnels 25 metres into the air will have a negligible effect on local air quality.
The NZ Transport Agency advises the following closures will take place for motorway improvements and maintenance. Closures start at 9pm and finish at 5am, unless otherwise stated. Work delayed by bad weather will be completed on or before the contingency date.
Crews worked around the clock last night to demolish a damaged span of the old Onewa Road bridge after a digger on a truck struck it yesterday morning. The NZ Transport Agency says because of the excellent work of the crews work is now complete ahead of schedule and all motorway lanes are open to traffic.
NZ Transport Agency acting regional manager Tommy Parker welcomed the first motorist onto the Hayr Road Bridge after an official ribbon cutting today. The bridge is the last of six bridges crossing the motorway to open on the SH20 Mt Roskill Extension project.
The NZ Transport Agency will begin preparatory work on the northern (Onehunga) side of SH20 Mangere Bridge from Wednesday 1 October. The work, which will involve the establishment of two site offices, is part of progress on the SH20 Manukau Harbour Crossing project.