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A new app is set to help truck drivers navigate the alternative Picton to Christchurch road route.
TruckR app will inform truck drivers travelling via the Lewis Pass of where to stop for rest breaks, and fuel and trailer swap areas, among other features.
It will be trialled by the freight industry for three months.
Plans are under way to include State Highway 1 along the Kaikoura coast once it is reopened following damaged caused by a big earthquake.