The Tollway is hosting a free informational workshop to assist construction and professional engineering services firms learn how to apply for prequalification with the Illinois Department of Transportation (IDOT) and the Capital Development Board (CDB). Building for Success IDOT and CDB Prequalification Workshop Monday, October 21, 2019 On Site registration will begin at 9:00 a.m. Event starts at 10:00 a.m. Michael Bilandic Building 160 N. LaSalle Street, 5th Floor Chicago, IL 60601 Please bring state-issued identification and arrive at least…