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Welcome to the Official Homepage of the Illinois Transportation and Highway Engineering (T.H.E.) Conference. Each year, over one thousand transportation engineers, officials, technicians, faculty and students gather to discuss issues critical to the safe and economical movement of people and goods across Illinois, the U.S.A., and beyond.

The 108th T.H.E. conference is scheduled for March 1 & 2, 2022 at the I Hotel & Conference Center.