Pacific Highway Upgrade, Tintenbar to Ewingsdale
The Tintenbar to Ewingsdale section of the Pacific Highway upgrade is approximately 17 kilometres in length starting at the northern end of the Ballina bypass at Ross Lane and extending to the Ewingsdale interchange. Opening in December 2015, the project provides a motorway route along the hinterland and through the St Helena ridgeline in a short tunnel to avoid a deep cutting scarring the landscape. The old winding route remains to provide a local connection to towns and villages.
The tunnel design retains as much of the hillside topography as possible, extending under the natural ridgeline. A crisp white finished portal provides an elegant tunnel entrance. North of he tunnel a clear noise wall allows views of Cape Byron.
The tunnel interiors are formed in smooth concrete and painted in an abstract pattern which draws inspiration from the surrounding agricultural landscape.
South of the tunnel the highway takes a flowing alignment through the topography and agricultural lands with simple refined bridges, rounded cuttings and native planting, all in accordance with the Pacific Highway Urban Design Framework, before seamlessly connecting to the Ballina Bypass.