Transparency
Data Collection
What data the track4science app collects, why we need it, and how it is used.
Overview
The track4science app collects high-quality mobility data for transportation research. In return, you receive personalized feedback on your mobility behavior – including your CO₂ footprint, costs, and calorie expenditure.
Data Sources
Smartphone Sensor Data
Location data and timestamps are processed into routes with transport modes, duration, and distance.
User Profile
Vehicle information for personalized CO₂ and cost calculations.
App Usage Data
Anonymized interaction data to improve the app experience.
Voluntary Surveys
Supplementary questionnaires via LimeSurvey about your mobility behavior and preferences.
What You See in the App
How Data Is Used
Research Only
The collected data is used to analyze traffic patterns and transport mode usage. Anonymized data is shared with the research community to support the scientific understanding of the mobility transition.
Learn more about data access →Data Security
Confidentiality
Encrypted transfers & access controls
Integrity
Data minimization & pseudonymization
Availability
Secure infrastructure & backups
