EcoTransit News: WestConnex – $15 billion down a hole! (October 2015) If it were ever completed, WestConnex would be the biggest underground motorway system anywhere in the world, and certainly, per kilometre, the most expensive. This gigantic project, which would take at least 10 years to finish, is being forced on the NSW taxpayer at a time when the Read more about EcoTransit News: WestConnex – $15 billion down a hole![…]