Welcome to the Illinois Road and Transportation Builders Association (IRTBA) website! On behalf of the 400 member firms, we hope you find our site helpful in providing background on our association as well as answering any questions you have on transportation issues in Illinois . Formed in 1938 to promote the transportation needs of the state, the Illinois Road and Transportation Builders Association is now the largest statewide organization of companies designing, building and maintaining the state highways, transit systems, railways and aviation systems.
The core purpose of IRTBA's existence is: "to protect, improve & promote the transportation design & construction industry in Illinois." Our success is shared equally by all contractors and designers, regardless of their specialty. Please take a few moments to review our website and let us know what you think.
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