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Take a Flyover of the Christchurch Southern Motorway Construction


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It might have been a cold, wet winter in New Zealand but that hasn’t halted work on the $195 million Christchurch Southern Motorway Stage 2 project. To date, more than 300,000 cubic metres of earth has been shifted, two new local roads completed, and the first of a total of eight bridges completed.

On completion, the combined stages of the Christchurch Southern Motorway’s Stage One and current Stage Two are expected help with two serious issues, according to the New Zealand Transport Agency. They are going to halve travel time between Rolleston and Christchurch, which can take up to 30 minute at peak times, and reduce fatal and serious crashes by 40 per cent, 

The full Stage Two is expected to be complete and open for traffic in early 2020. 

NZTA’s Principal Project Manager Geoff Griffiths says there will be more changes coming as work ramps up over spring. The most recent work includes two 180-tonne cranes putting the final four Super-T Beams that make up the Main South Road Bridge into place, Mr Griffiths said. That makes it the first of the project’s eight bridges to be finished.

“The structure, which will take Main South Road traffic up and over the motorway, is made up of 16 locally made precast beams, ranging from 30 to 35 metres long and weigh up to 68 tonnes each,” he said.

At the Christchurch city end of the project, John Paterson Drive is being realigned to join with Halswell Junction Road. This will be a work-in-progress until the end of the year when the new alignment is expected to open to traffic.

The full Stage Two is expected to be complete and open for traffic in early 2020.

The NZTA has just released a new drone flyover of the project that shows its scope and progress. Take a look here.

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