The DEC of urban transport in the Melbourne-Geelong conurbation is projected to grow from $20 billion in 2011 to $41 billion in 2031 - an increase of 3.6 per cent per year. The cost of delay on Melbourne-Geelong's urban transport network in 2011 was around $3 billion. In the absence of any additional capacity (other than projects already under construction or funded), the cost of delay is projected to grow to around $9 billion in 2031.