Examples of studies utilizing TREDIS are shown below, broken down by type of sponsoring organization. To see further details of these studies, please click on the "Case Descriptions" option on the left side menu column. It is important to note that TREDIS is designed for a wide range of uses spanning public sector operating agencies, local or regional planning agencies, civic organizations and private clients.

Multi-State Agency
Appalachian Regional Commission (13-state agency)
I-95 Corridor Coalition (9-state study)
Northeast CanAm Connections Committee (4 US States + 5 Canada provinces)

State/Provincial Transport Department
Kansas DOT - Long Range Plan (Preservation)
Maine DOT - Multimodal Statewide Long-Range Plan
Michigan Five-Year Plan
New York State DOT - Rt.12 Study
Wisconsin DOT - Short Line Study, Freight Study
Ontario MTO – Niagara Gateway Corridor
California High Speed Rail Commission

City and Metropolitan Agency
Metro (Portland, OR Metro Council of Governments)
METRA (Chicago Region)
RTA (Chicago Region)
City of LaPorte, IN (LEAP module)
Municipality of Durham, Ontario
Toronto Metrolinx

Private Sector
Chicago Metropolis 2020
Vancouver Gateway Council
Oregon Business Council
Edmonton-Calgary High Speed Train