The Gateway Traveler Information System (Gateway) and www.travelmidwest.com web site (formerly www.gcmtravel.com) provide timely, accurate, and useful traffic information to a variety of public and private constituents. Recurring and nonrecurring congestion directly impacts the economy, the environment, and the safety of the transportation network. The services and data provided by the Gateway have become a mission-critical service of the Illinois Department of Transportation (IDOT) and the geographically-connected roadway operators that are members of the Lake Michigan Interstate Gateway Alliance (LMIGA). This paper details the background and history of LMIGA and the Gateway, specifically www.travelmidwest.com. It highlights the goals of the Gateway and identifies four challenges and the associated resolutions that IDOT and the LMIGA partners use to ensure the Gateway is able to maximize the dissemination of quality traveler information to the staffs of operating agencies, the traveling public, and third party data subscribers. This paper also describes the elements that will impact both the system and the regional partnership as technologies advance, traveler information demands increase, and policies evolve.
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