19 Eltis Café @ ECOMM 2008 June 5th - London www.eltis.org Effect Estimation within changing framework/conditions The classical (best) approach: Evaluation of treatment groups and placebo-groups Estimation of change in the mobility/traffic area (modal split, PT passenger numbers, …) using statistical data (inhabitants, number of cars, commuters, PT offer, …) Comparison of estimated and measured values Example: Development of the number of PT passengers in Frankfurt from 1995 to 2010 Overview Eltis Café @ ECOMM 2009 www.eltis.org
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