The Australian Infrastructure Audit 2019 expects cost of road congestion in Canberra to increase to $504 million in 2031, up from $289 million in 2016.
The inability to shift transport investment away from roads is a concern.
Most of the investment is still improving roads. The relative investment in road improvements ($986 million), light rail ($336 million) and cycling ($17.9 million) between 2020-2024.
Two barriers lay on the path of the north-south route: the William Hovell Drive and the Molonglo River. William Hovell Drive will be duplicated.