TFIC estimates it would take between $31.5 billion and $42.5 billion to meet state highway and bridge needs over the next five years.
Those totals include highway and bridge maintenance, congestion, highway and major bridge expansion, safety work and interstate modernization.
Local roads are in desperate need as well, totaling an estimated $18 billion over five years.
The transit systems in Chicago need $16.6 billion over ten years, but only have $6 billion in estimated revenue available.
Downstate transit systems and rail throughout the state need a little more than $1 billion.
Total investment needed from Illinois: $63.5 billion to $74.4 billion over five years.