Curriculum Mobility Science
The curriculum of your degree consists of different module types, which provide you with specialist knowledge, mathematical-scientific basics, practical experience as well as contextual knowledge from areas such as communication and business.
In the third year of study, depending on your interest, you can choose between three main areas and take the corresponding specialization and elective modules. Click on each module to learn more about choices, language of instruction and ECTS credits.
Module overview full-time
This module table is valid from 15. September 2025
Context Modules
Project Modules
Subject-Specific Modules
Mathematics and Natural Science Modules
Digitisation of Economic Systems
Digitisation of Economic Systems
- ECTS: 2
- Details on this module
Digitalisation is profoundly changing our entire economic system. This lecture examines the concrete effects of digital transformation on the business models of established and new companies. The opportunities arising from digitisation and the obstacles or risks that exist are examined. // Teaching language: DE
Fundamentals Project 1
Fundamentals Project 1
- ECTS: 4
- Details on this module
In Basic Project 1 you first measure and analyse the movement of a freely chosen body and then create a quarter car model to analyse simple driving dynamics scenarios. The work in Basic Project 1 goes under the motto "Measuring, Modelling, Communicating". // Teaching language: DE
Spatial Planning
Spatial Planning
- ECTS: 4
- Details on this module
Spatial planning (SP) is a cross-cutting discipline which deals primarily with settlement, landscape and transport. The course covers SP instruments in the context of future technological and social developments. The dynamics of transport and SP development and their impacts play a key role. // Teaching language: DE
Transportation Systems - Basics
Transportation Systems - Basics
- ECTS: 4
- Details on this module
The passenger and freight transport market: determination of demand in the context of settlements and traffic. Transport systems: modes, characteristics, market shares, costs and cooperation. Public and private transport planning procedures: principles, concepts and dimensioning of infrastructure // Teaching language: DE
Computer Science Programming 1
Computer Science Programming 1
- ECTS: 4
- Details on this module
Introduction to software development with Python. // Teaching language: DE
Analysis 1
Analysis 1
- ECTS: 4
- Details on this module
In this course, students learn the basic concepts of calculus of one real variable. // Teaching language: DE
Linear Algebra 1
Linear Algebra 1
- ECTS: 4
- Details on this module
Students are familiarised with and master the basic concepts and propositions of linear algebra and analytic geometry. They can formulate simple concrete questions in the mathematical language and are able to solve these independently and present their solutions. // Teaching language: DE
Physics 1
Physics 1
- ECTS: 4
- Details on this module
Physics 1 covers the fundamentals of Newtonian mechanics for translational and rotational motions in the context of point masses and rigid bodies. // Teaching language: DE
Communication Competence 1
Communication Competence 1
- ECTS: 2
- Details on this module
The Communication Competence 1 module focuses on the following aspects of communication training: Researching and processing information in a scientific context // Developing presentation skills // Organising communication and feedback in teams // Teaching language: DE/EN
Fundamentals Project 2
Fundamentals Project 2
- ECTS: 4
- Details on this module
In Transportation Project 2, you extend the quarter car model from your first semester to three degrees of freedom, including the suspension, and you model a number of driving dynamics scenarios. Project planning and teamwork play a central role in this project. // Teaching language: DE
Transportation Economics 1
Transportation Economics 1
- ECTS: 4
- Details on this module
Students acquire the basic business knowledge that a traffic engineer needs in their professional role as a project manager, a service, sales or planning engineer, and also in their first leadership or managerial function. // Teaching language: DE
Transportation Systems - Operations
Transportation Systems - Operations
- ECTS: 4
- Details on this module
Relevant operational factors such as actors, production factors and procedures, legislation // Static and dynamic operating principles for sections and nodes of raod and rail // Operational planning and control including timetabling of public transport // Productivity : parameters and optimisations // Teaching language: DE
Computer Science Programming 2
Computer Science Programming 2
- ECTS: 4
- Details on this module
Students’ existing programming skills are enhanced and applied on a practical level. The module conveys the competences for developing robust software applications in ubiquitous environments. Modelling approaches, failure sources and optimisation opportunities are understood at a code level. // Teaching language: DE
Analysis 2
Analysis 2
- ECTS: 4
- Details on this module
Basic concepts and methods of differential and integral calculus of one real variable, as well as their application. // Teaching language: DE
Linear Algebra 2
Linear Algebra 2
- ECTS: 4
- Details on this module
Students are familiarised with and master the basic concepts and propositions of linear algebra and complex numbers. They can formulate simple concrete questions in the mathematical language and are able to solve these independently and present their solutions. // Teaching language: DE
Physics 2
Physics 2
- ECTS: 4
- Details on this module
The first half of the semester of the Physics 2 module covers the basics of thermodynamics and the second half of the semester covers the basics of electrodynamics. // Teaching language: DE
Elective Module
Elective Module
- ECTS: 2
You have the option to choose from a portfolio of various communication modules.
Transportation Practice Project 1
Transportation Practice Project 1
- ECTS: 4
- Details on this module
Taking current real-life problems from road traffic planning, students independently develop solutions. These are presented in a technical report. // Teaching language: DE
Transportation Economics 2
Transportation Economics 2
- ECTS: 4
- Details on this module
The course imparts advanced basic knowledge of economics and business administration, which a transport engineer should master in his professional function as a project employee and/or (partial) project manager, service or sales engineer or planning engineer as well as in a first management function. Not only is the internal view of various forms of companies in the transport system (from rail operations to independent cab companies and sharing services) trained, but also the micro- and macroeconomic influences that are crucial in transport as well as the significance of political influences are conveyed. The acquired knowledge will be applied in smaller case studies and exercises and the knowledge transfer will be tested. // Teaching language: DE
Intermodality and Multimodality
Intermodality and Multimodality
- ECTS: 4
- Details on this module
In future, the networking of means of transport in passenger and freight traffic will become much more important. The module gives an overview of the development paths and examines the topic of sharing using selected case studies. // Teaching language: DE
Operations Management Fundamentals
Operations Management Fundamentals
- ECTS: 4
- Details on this module
A practice-oriented introduction to Operations Management, which conveys the basic concepts in a precise and illustrative way and gives a broad overview of the relevant topics. Selected quantitative models and methods and their practical application are discussed in depth. // Teaching language: DE
Operations Research
Operations Research
- ECTS: 4
- Details on this module
The Operations Research module introduces students to linear and integer linear optimisation. The basics of optimisation in graphs are additionally presented. // Teaching language: DE
Stochastics and Statistics
Stochastics and Statistics
- ECTS: 4
- Details on this module
The module introduces the terms and concepts of probability theory and statistics that are indispensable for a deeper understanding of many areas. // Teaching language: DE
Elective Module
Elective Module
- ECTS: 2
You have the option to choose from a portfolio of various communication modules.
Transportation Practice Project 2
Transportation Practice Project 2
- ECTS: 4
- Details on this module
Taking the current problem of a business partner as a basis, students independently work out a solution strategy as a consulting team. This strategy is presented to the practice partner in a professionally visualised form. // Teaching language: DE
Transportation Law
Transportation Law
- ECTS: 4
- Details on this module
Transport law for traffic engineers provides an overview of the elementary legal bases in the field of transport and puts them into the context of current transport policy. // Unterrichtssprache: DE
Facility and Fleet Management
Facility and Fleet Management
- ECTS: 4
- Details on this module
Participants are taught the basic skills and knowledge required to effectively manage facilities and fleets in the public transport sector and in road infrastructure management. Participants learn how to optimise costs, plan maintenance work and extend the useful life of facilities and vehicles. // Teaching language: DE
Reliability, Availability, Maintainability and Safety
Reliability, Availability, Maintainability and Safety
- ECTS: 4
- Details on this module
Students learn the importance of RAMS for developing safety-relevant and reliable systems for safe operation of mobility systems. The course imparts theoretical and practical knowledge on safe systems in the field of operations, system development, quality management and safety management. // Teaching language: DE
Data Analysis and Forecasting
Data Analysis and Forecasting
- ECTS: 4
- Details on this module
The module is centered around multiple linear regression and time series analysis. These techniques are at the heart of statistical modelling and thus provide the basis for the analysis and prediction of important variables such as demand for transport, accident numbers, etc. // Teaching language: DE
Numerics
Numerics
- ECTS: 4
- Details on this module
This class gives an introduction to the theory and algorithms of numerical mathematics. // Teaching language: DE
Elective Module
Elective Module
- ECTS: 2
The context modules offer you the opportunity to acquire supplementary skills outside of your technical major. They cover the following topics: Sustainability and Environment // Innovation and Technology Management // Data Science and AI // Business and Finance // Social Sciences and Intercultural Competence // Law and Governance // Project and Conflict Management // Resilience and Risk Management // Mobility and Transportation
Elective Module
Elective Module
- ECTS: 2
The context modules offer you the opportunity to acquire supplementary skills outside of your technical major. They cover the following topics: Sustainability and Environment // Innovation and Technology Management // Data Science and AI // Business and Finance // Social Sciences and Intercultural Competence // Law and Governance // Project and Conflict Management // Resilience and Risk Management // Mobility and Transportation
Project Thesis: Transportation Systems
Project Thesis: Transportation Systems
- ECTS: 6
- Details on this module
For their project thesis, students work independently on a topic from the field of mobility & logistics in close cooperation with practical partners from the transport industry (companies, associations, administration) and their supervising lecturers.
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Interdisciplinary elective module
Interdisciplinary elective module
- ECTS: 4
The interdisciplinary elective modules cover a wide range of disciplines, including the following areas: Application of Advanced Mathematics in Engineering Practice // Introduction to Machine Learning // Modern Physics // Blockchain Technologies and Their Applications // Digital Assistance Technologies // Digital Health // Sensor Technology // Fundamentals of Digital Signal Processing of Sensors // Sustainability Management // Safety-Critical Systems // System Dynamics Modeling // Future Technologies of the Internet of Things // Safety and Systems Engineering
Elective Module
Elective Module
- ECTS: 2
The context modules offer you the opportunity to acquire supplementary skills outside of your technical major. They cover the following topics: Sustainability and Environment // Innovation and Technology Management // Data Science and AI // Business and Finance // Social Sciences and Intercultural Competence // Law and Governance // Project and Conflict Management // Resilience and Risk Management // Mobility and Transportation
Bachelor Thesis: Transportation Systems
Bachelor Thesis: Transportation Systems
- ECTS: 12
- Details on this module
In the Bachelor's thesis, students work independently on topics from the field of mobility & logistics in close cooperation with business partners from the transport industry (companies, associations, administration) and the supervising lecturers.
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
The list of elective modules reflects the current state of the offer. It can change until the third year of study.
Module overview part-time
This module table is valid from 15. September 2025
Context Modules
Subject-Specific Modules
Mathematics and Natural Science Modules
Project Modules
Digitisation of Economic Systems
Digitisation of Economic Systems
- ECTS: 2
- Details on this module
Digitalisation is profoundly changing our entire economic system. This lecture examines the concrete effects of digital transformation on the business models of established and new companies. The opportunities arising from digitisation and the obstacles or risks that exist are examined. // Teaching language: DE
Spatial Planning
Spatial Planning
- ECTS: 4
- Details on this module
Spatial planning (SP) is a cross-cutting discipline which deals primarily with settlement, landscape and transport. The course covers SP instruments in the context of future technological and social developments. The dynamics of transport and SP development and their impacts play a key role. // Teaching language: DE
Transportation Systems - Basics
Transportation Systems - Basics
- ECTS: 4
- Details on this module
The passenger and freight transport market: determination of demand in the context of settlements and traffic. Transport systems: modes, characteristics, market shares, costs and cooperation. Public and private transport planning procedures: principles, concepts and dimensioning of infrastructure // Teaching language: DE
Computer Science Programming 1
Computer Science Programming 1
- ECTS: 4
- Details on this module
Introduction to software development with Python. // Teaching language: DE
Analysis 1
Analysis 1
- ECTS: 4
- Details on this module
In this course, students learn the basic concepts of calculus of one real variable. // Teaching language: DE
Linear Algebra 1
Linear Algebra 1
- ECTS: 4
- Details on this module
Students are familiarised with and master the basic concepts and propositions of linear algebra and analytic geometry. They can formulate simple concrete questions in the mathematical language and are able to solve these independently and present their solutions. // Teaching language: DE
Communication Competence 1
Communication Competence 1
- ECTS: 2
- Details on this module
The Communication Competence 1 module focuses on the following aspects of communication training: Researching and processing information in a scientific context // Developing presentation skills // Organising communication and feedback in teams // Teaching language: DE/EN
Transportation Economics 1
Transportation Economics 1
- ECTS: 4
- Details on this module
Students acquire the basic business knowledge that a traffic engineer needs in their professional role as a project manager, a service, sales or planning engineer, and also in their first leadership or managerial function. // Teaching language: DE
Transportation Systems - Operations
Transportation Systems - Operations
- ECTS: 4
- Details on this module
Relevant operational factors such as actors, production factors and procedures, legislation // Static and dynamic operating principles for sections and nodes of raod and rail // Operational planning and control including timetabling of public transport // Productivity : parameters and optimisations // Teaching language: DE
Computer Science Programming 2
Computer Science Programming 2
- ECTS: 4
- Details on this module
Students’ existing programming skills are enhanced and applied on a practical level. The module conveys the competences for developing robust software applications in ubiquitous environments. Modelling approaches, failure sources and optimisation opportunities are understood at a code level. // Teaching language: DE
Analysis 2
Analysis 2
- ECTS: 4
- Details on this module
Basic concepts and methods of differential and integral calculus of one real variable, as well as their application. // Teaching language: DE
Linear Algebra 2
Linear Algebra 2
- ECTS: 4
- Details on this module
Students are familiarised with and master the basic concepts and propositions of linear algebra and complex numbers. They can formulate simple concrete questions in the mathematical language and are able to solve these independently and present their solutions. // Teaching language: DE
Elective Module
Elective Module
- ECTS: 2
You have the option to choose from a portfolio of various communication modules.
Fundamentals Project 1
Fundamentals Project 1
- ECTS: 4
- Details on this module
In Basic Project 1 you first measure and analyse the movement of a freely chosen body and then create a quarter car model to analyse simple driving dynamics scenarios. The work in Basic Project 1 goes under the motto "Measuring, Modelling, Communicating". // Teaching language: DE
Transportation Economics 2
Transportation Economics 2
- ECTS: 4
- Details on this module
The course imparts advanced basic knowledge of economics and business administration, which a transport engineer should master in his professional function as a project employee and/or (partial) project manager, service or sales engineer or planning engineer as well as in a first management function. Not only is the internal view of various forms of companies in the transport system (from rail operations to independent cab companies and sharing services) trained, but also the micro- and macroeconomic influences that are crucial in transport as well as the significance of political influences are conveyed. The acquired knowledge will be applied in smaller case studies and exercises and the knowledge transfer will be tested. // Teaching language: DE
Intermodality and Multimodality
Intermodality and Multimodality
- ECTS: 4
- Details on this module
In future, the networking of means of transport in passenger and freight traffic will become much more important. The module gives an overview of the development paths and examines the topic of sharing using selected case studies. // Teaching language: DE
Stochastics and Statistics
Stochastics and Statistics
- ECTS: 4
- Details on this module
The module introduces the terms and concepts of probability theory and statistics that are indispensable for a deeper understanding of many areas. // Teaching language: DE
Physics 1
Physics 1
- ECTS: 4
- Details on this module
Physics 1 covers the fundamentals of Newtonian mechanics for translational and rotational motions in the context of point masses and rigid bodies. // Teaching language: DE
Elective Module
Elective Module
- ECTS: 2
You have the option to choose from a portfolio of various communication modules.
Fundamentals Project 2
Fundamentals Project 2
- ECTS: 4
- Details on this module
In Transportation Project 2, you extend the quarter car model from your first semester to three degrees of freedom, including the suspension, and you model a number of driving dynamics scenarios. Project planning and teamwork play a central role in this project. // Teaching language: DE
Transportation Law
Transportation Law
- ECTS: 4
- Details on this module
Transport law for traffic engineers provides an overview of the elementary legal bases in the field of transport and puts them into the context of current transport policy. // Unterrichtssprache: DE
Data Analysis and Forecasting
Data Analysis and Forecasting
- ECTS: 4
- Details on this module
The module is centered around multiple linear regression and time series analysis. These techniques are at the heart of statistical modelling and thus provide the basis for the analysis and prediction of important variables such as demand for transport, accident numbers, etc. // Teaching language: DE
Physics 2
Physics 2
- ECTS: 4
- Details on this module
The first half of the semester of the Physics 2 module covers the basics of thermodynamics and the second half of the semester covers the basics of electrodynamics. // Teaching language: DE
Elective Module
Elective Module
- ECTS: 2
The context modules offer you the opportunity to acquire supplementary skills outside of your technical major. They cover the following topics: Sustainability and Environment // Innovation and Technology Management // Data Science and AI // Business and Finance // Social Sciences and Intercultural Competence // Law and Governance // Project and Conflict Management // Resilience and Risk Management // Mobility and Transportation
Elective Module
Elective Module
- ECTS: 2
The context modules offer you the opportunity to acquire supplementary skills outside of your technical major. They cover the following topics: Sustainability and Environment // Innovation and Technology Management // Data Science and AI // Business and Finance // Social Sciences and Intercultural Competence // Law and Governance // Project and Conflict Management // Resilience and Risk Management // Mobility and Transportation
Transportation Practice Project 1
Transportation Practice Project 1
- ECTS: 4
- Details on this module
Taking current real-life problems from road traffic planning, students independently develop solutions. These are presented in a technical report. // Teaching language: DE
Operations Management Fundamentals
Operations Management Fundamentals
- ECTS: 4
- Details on this module
A practice-oriented introduction to Operations Management, which conveys the basic concepts in a precise and illustrative way and gives a broad overview of the relevant topics. Selected quantitative models and methods and their practical application are discussed in depth. // Teaching language: DE
Operations Research
Operations Research
- ECTS: 4
- Details on this module
The Operations Research module introduces students to linear and integer linear optimisation. The basics of optimisation in graphs are additionally presented. // Teaching language: DE
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 2
The context modules offer you the opportunity to acquire supplementary skills outside of your technical major. They cover the following topics: Sustainability and Environment // Innovation and Technology Management // Data Science and AI // Business and Finance // Social Sciences and Intercultural Competence // Law and Governance // Project and Conflict Management // Resilience and Risk Management // Mobility and Transportation
Transportation Practice Project 2
Transportation Practice Project 2
- ECTS: 4
- Details on this module
Taking the current problem of a business partner as a basis, students independently work out a solution strategy as a consulting team. This strategy is presented to the practice partner in a professionally visualised form. // Teaching language: DE
Facility and Fleet Management
Facility and Fleet Management
- ECTS: 4
- Details on this module
Participants are taught the basic skills and knowledge required to effectively manage facilities and fleets in the public transport sector and in road infrastructure management. Participants learn how to optimise costs, plan maintenance work and extend the useful life of facilities and vehicles. // Teaching language: DE
Reliability, Availability, Maintainability and Safety
Reliability, Availability, Maintainability and Safety
- ECTS: 4
- Details on this module
Students learn the importance of RAMS for developing safety-relevant and reliable systems for safe operation of mobility systems. The course imparts theoretical and practical knowledge on safe systems in the field of operations, system development, quality management and safety management. // Teaching language: DE
Numerics
Numerics
- ECTS: 4
- Details on this module
This class gives an introduction to the theory and algorithms of numerical mathematics. // Teaching language: DE
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Project Thesis: Transportation Systems
Project Thesis: Transportation Systems
- ECTS: 6
- Details on this module
For their project thesis, students work independently on a topic from the field of mobility & logistics in close cooperation with practical partners from the transport industry (companies, associations, administration) and their supervising lecturers.
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Interdisciplinary elective module
Interdisciplinary elective module
- ECTS: 4
The interdisciplinary elective modules cover a wide range of disciplines, including the following areas: Application of Advanced Mathematics in Engineering Practice // Introduction to Machine Learning // Modern Physics // Blockchain Technologies and Their Applications // Digital Assistance Technologies // Digital Health // Sensor Technology // Fundamentals of Digital Signal Processing of Sensors // Sustainability Management // Safety-Critical Systems // System Dynamics Modeling // Future Technologies of the Internet of Things // Safety and Systems Engineering
Bachelor Thesis: Transportation Systems
Bachelor Thesis: Transportation Systems
- ECTS: 12
- Details on this module
In the Bachelor's thesis, students work independently on topics from the field of mobility & logistics in close cooperation with business partners from the transport industry (companies, associations, administration) and the supervising lecturers.
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
Elective Module
Elective Module
- ECTS: 4
As part of the elective modules, you have the opportunity to tailor a personal academic profile according to your interests. You will choose eight modules from the following areas: Logistics // Mobility Data // Modeling & Simulation // Bicycle Traffic Planning // Railway Traffic
The list of elective modules reflects the current state of the offer. It can change until the third year of study.