Bilder: Trafikverket

About KAJT


The program “Capacity in the railway traffic system” (in Swedish: Kapacitet i järnvägstrafiken – KAJT) aims at strengthening the railway systems ability to meet the transportation needs of society. The research goal in the program is to optimize the usage of the railway system and create efficient and reliable traffic movements with associated services. KAJT contributes to providing the railway industry with better concepts, tools and methods based on infrastructural conditions at strategic, tactical and operational level so that Swedish railway become the world leader in efficiency, quality and flexibility.

Please read the annual report and the project catalog.

Vision and program

The vision is a future rail system with maximum capacity and punctuality.

KAJT’s contributuion to the vision is excellent research in collaboration.

Operations are conducted in accordance with KAJT Program Statement:

KAJT should:

  • Conduct research on railway capacity with high international standards and research that is visible in important journals and conferences.
  • Provide the industry with expertice through educating people with PhD- or licentiate degreesand contributing to creating an attractive environment where these people can continue to work.
  • Contribute with knowledge, concepts, methods and tools that the industry can further refine and implement.
  • Be a requested part in international and national projects and a hub for KAJT-related questions in swedish railway industry.
  • Be a meeting place for problem owners and researchers and have an active interaction with R&D clients, R&D performers and other railway industry.
  • Work with issues that are current, well-defined and industry-relevant with a clear benefit to stakeholders.

Research program

The research program consists of three main components: International collaboration and Shift2Rail, core research areas and complementary research areas.

The core research area defines the program's primary competence and focus. Within the core area, the partners of the research program are Sweden's leading research resource. The partners together hold leading expertise to conduct research in all aspects of the field. The core areas are:

  • Strategic capacity planning
  • Tactical capacity planning
  • Operational traffic control and train operation

Within the core area, the research program will create new knowledge, develop methods and processes applicable for the stakeholders. The scope of the research is not static but is determined by the Board of the program.

The complementary research areas is defined as what KAJT explore in addition to the core areas as a complement. The complementary areas change more dynamically than the core areas which are fixed. Complementary areas can be added and removed depending on current needs. Some complementary areas have a lot of research activity while some have less research. The research program contains the following complementary areas:

  • Future transport system and traffic demand
  • Railway side system and connection to the railway network
  • Planning of transport networks, vehicles and personnel
  • Maintenance and traffic
  • Digitalization and automation in train planning process and operations
  • Traffic information
  • Managing major disturbances
  • Follow-up and feedback

International collaboration and Shift2Rail is an component of the research program to make it visable that KAJT is internationally active. The research conducted in the international projects and in the Shift2Rail projects connects to the research program core areas and complementary areas.

Branschprogram Kapacitet i Järnvägstrafiken

Postadress: Branschprogram KAJT, c/o SICS Swedish ICT, Box 1263, 16429 Kista

E-post:    Telefon: +46 (0) 705 709 992