Press Release – NZ Transport Agency Plans for a State Highway 1 flyover and changes to busy intersections through Rolleston, south of Christchurch, are ready for the first round of public feedback. Waka Kotahi NZ Transport Agency has pop-up events planned over the next few weeks to share plans … Plans for a State Highway 1 flyover and changes to busy intersections through Rolleston, south of Christchurch, are ready for the first round of public feedback. Waka Kotahi NZ Transport Agency has pop-up events planned over the next few weeks to share plans and gather community feedback. The $125m project is being delivered as part of the Government’s $6.8 billion New Zealand Upgrade Programme to save lives, get our cities moving and boost productivity in the country’s growth areas.