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Urban passenger mode shift and cross modal demand effects

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Project Acronym
STRIA Roadmaps
Smart mobility and services (SMO)
Transport sectors
Passenger transport


Background & Policy context

Transport mode shift is at the core of sustainable transport in all world cities; yet we know comparatively a little about it.

While there is a large amount of  evidence of within-mode demand effects, e.g. the growth following 10% bus fare reduction, but  we know very little about where these new passengers came from. The answer to this is crucial for policy makers who want to change the transport system towards a more sustainable modal mix. Knowledge and evidence of demand effects across transport modes are important but now they are generally lacking. 


The main focus is on the substitution among transport modes, i.e. the diversion factor. Crossmodal scrutinises the diversion factor both theoretically and empirically to better understand mode-switching behaviour. 

The project develops and enhances the theoretical understanding of these issues, and establishes new empiricism based on local data. This enables an informed policy design for the achievement of real improvements in urban passenger transport.


Methodologically, the study focuses on cross-elasticities of demand, diversion factors and mode choice. These are central concepts in economics, modelling/engineering and mathematics. We bring in elements of political science for formulation and implementation of policies and goals.

The project has strong focus on stakeholders and has already established a group of organisations and people with strong interest in this project. This forum is the hub for external communication. Communication will also happen through scientific and popular science publications.


Funding Source
Transport 2025


Lead Organisation
EU Contribution
Partner Organisations
EU Contribution


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