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Centre for Traffic Research (CTR)

The Centre for Traffic Research (CTR) is a Swedish competence centre that initiates, coordinates and conducts research and development in modeling and analysis of traffic processes.

CTR Day 7 September 2022

Our doctoral students and researchers from KTH, Linköping University and VTI presented their current research results in the areas of prediction and traffic management, connected and automated vehicles, and modeling of passenger transport.

You find all presentations here.

CTR News

CTR Motorvägsstyrning
Photo: Sten-Åke Stenberg/

The impact of varying speed limits on traffic conditions – A case study on the E4 around Södertälje

Variable speed limits, if applied correctly, can improve the traffic conditions at locations that are experiencing frequent problems with congestion, inefficient traffic flows and queue propagation. D...

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Guillermo Pérez Castro
Guillermo Pérez Castro in front of the poster "A power-based approach to model the impact of gradient in bicycle traffic simulation" at the TRB conference 2023

A power-based approach to model the impact of gradient in bicycle traffic simulation

To simulate bicycle traffic accurately, it is essential to capture how bicyclists react to features of the infrastructure such as the longitudinal gradient of a bicycle path.

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Greetings from Dresden!

In December Anna Danielsson and Ivan Postigo participated at the MFTS Symposium at Dresden University of Technology - and took the opportunity to visit the Christmas market

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Public defence of doctoral thesis 7 October

Welcome to David Leffler's public defence of his doctoral thesis on "Simulation-based Evaluation of Fixed to Flexible Transit"

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Centre for Traffic Research (CTR)

KTH Royal Institute of Technology
Teknikringen 10
SE-100 44 Stockholm