$10.2 billion West Gate Tunnel to open to traffic on Sunday, December 14

Motorists travelling into the city from Melbourne’s west or Geelong are expected to save up to 20 minutes on their journey, but it will come at a cost.

A trip through the tunnel will set motorists back $4.09 for a car and $6.54 for a ute or van, and more than double that if they exit into the…