The effects of major transportation projects on the urban trends in Izmir were analyzed using the Delphi method. Once the convergence was maintained in the expert opinions, the Delphi results were re-evaluated according to suggested method of total evaluation for obtaining much concise and general results. Accordingly, Absolute Total Impacts (MED), Net Total Impacts (NED) and the impact levels in broader terms were defined. The most effective projects were found to be: Integrated Rail Transportation System, Enhancement of Existing Izmir's Port. The most impacted trends were: Development in Tourism Sector, Economic Development, Air Pollution and the Rate of Private Car Ownership.