TRANSIT (Travel Information Management for Seamless Intermodal Transport) is a research project funded under SESAR 2020 Exploratory Research. The goal of TRANSIT is to develop a set of multimodal key performance indicators, mobility data analysis methods and transport simulation tools allowing the evaluation of the impact of a set of innovative intermodal transport solutions on the quality, efficiency and resilience of the door-to-door passenger journey. TRANSIT is conducted by a consortium composed by Nommon (Project Coordinator), ENAC, ETH Zurich, AENA, and EUROCONTROL. The project started on 1 May 2020 and will run for 30 months.