Mittelstandspresse
16.06.2026
Arnold NextG Blogspot: The Wrong KPIs Lead to the Wrong Systems
Why the evaluation of autonomous mobility determines its success in public transportation
Pfronstetten-Aichelau, 16.06.2026 (PresseBox) - Many autonomous shuttle projects are considered successful today simply because the vehicles are running. They log test kilometers, navigate defined routes, and reliably demonstrate their driving capabilities. Yet the crucial question often remains unanswered: What does this actually say about future operations? This is precisely where a fundamental problem with many current projects begins. After all, if you only measure whether a vehicle is running, you may be missing the actual goal.
Test kilometers, vehicle availability, or successfully completed demonstration runs are widely regarded as indicators of progress. The problem: These metrics say only so much about whether a demonstrator will later become a robust mobility system.
After all, public mobility is not introduced so that vehicles can drive autonomously. It is introduced to improve mobility. For transit agencies, public authorities, and operators, this raises a different question: What impact does an autonomous system actually have in real-world operation?
The “Handbook on Autonomous Driving in Public Transport” explicitly addresses monitoring, evaluation, and optimization as integral components of autonomous mobility projects. The evaluation of systems thus becomes not a downstream management task, but an essential part of development and implementation.
Which Metrics Actually Matter
As autonomous systems mature, the perspective shifts. While technical performance metrics such as driving performance, test kilometers, or availability often take center stage in early project phases, other questions come to the fore during later operations.
What then becomes decisive is whether a service actually reaches people, closes existing mobility gaps, and integrates meaningfully into existing transportation networks. Equally important are operational stability, utilization rates, user acceptance, and the question of whether a system can be operated in a way that is organizationally, technically, and economically viable. In short: It is not technical drivability alone that determines the success of autonomous mobility, but its actual contribution to public mobility.
The German federal government also explicitly describes autonomous driving as a tool for new mobility services, improved accessibility, and social participation. If this is the objective, the evaluation criteria must also be aligned with it.
KPIs influence system architecture
The choice of metrics determines which systems are developed in the first place. If a project’s success is measured by whether a shuttle runs, the project is optimized precisely for that. This leads to demonstrators, test tracks, and showcases. What is often missing are reliable insights into how the system will perform in later operation. The result: We learn a lot about driving functions—but often too little about scalability, availability, operation, and integration.
Bitkom therefore also calls for larger pilot regions and realistic operating conditions to gain reliable insights into the scalability, cost-effectiveness, and societal benefits of autonomous mobility.
Control must become measurable
For developers and system architects, this has a consequence that is still underestimated in many projects: driving capability alone is not a sufficient measure of success. A vehicle that drives autonomously under defined conditions is not yet a reliable mobility system. What matters is how the system behaves when operating conditions vary, malfunctions occur, or human intervention becomes necessary. This is precisely where demonstration differs from actual operation.
The real question is therefore not just: Can the vehicle drive? But rather: Can its movement remain controllable even under real-world conditions? Only when controllability, operational stability, and fail-operational behavior become part of the evaluation can one assess whether a technological demonstration will actually result in a scalable system. For it is precisely these characteristics that determine whether vehicle movement can be organized in a reproducible, traceable, and safe manner.
With NX NextMotion, Arnold NextG addresses precisely this challenge. The platform treats vehicle control as an independent, fail-operational system layer, thereby laying the foundation for reproducible, controllable, and scalable mobility systems.
Conclusion
The question of the right KPIs is far more than a management task. It determines which systems are developed, funded, and later operated. Those who measure the wrong things build the wrong systems.
As long as autonomous mobility is evaluated primarily based on test kilometers, visibility, and drivability, the result will be mostly demonstrators. Only when operational stability, mobility impact, and controllable vehicle movement become the benchmark will the foundation for scalable autonomous mobility in public transportation be established.
Autonomous mobility does not arise from visible movement alone. It arises where vehicle movement can be organized in a way that is reproducible, controllable, and fail-operational under real-world conditions. With NX NextMotion, Arnold NextG addresses this very challenge and lays the groundwork for reproducible, controllable, and scalable next-generation mobility systems.
We Control What Moves.
For more information, visit www.arnoldnextg.com/blog
Ansprechpartner
Anke Leuschke
Zuständigkeitsbereich: Pressesprecherin
Über Arnold NextG GmbH:
Arnold NextG realisiert die Safety-by-Wire®-Technologie von morgen: das mehrfach redundante Zentralsteuergerät NX NextMotion ermöglicht eine ausfallsichere und individuelle Implementierung, fahrzeugplattform-unabhängig und weltweit einzigartig. Mit dem System können autonome Fahrzeugkonzepte sicher und nach den neuesten Hard- und Software- sowie Sicherheitsstandards umgesetzt werden, ebenso wie Remote-, Teleoperation- oder Platooning- Lösungen Als unabhängiger Vorausentwickler, Inkubator und Systemlieferant übernimmt Arnold NextG die Planung und Umsetzung – von der Vision bis zur Straßenzulassung. Mit der Straßenzulassung von NX NextMotion setzen wir den globalen Drive-by-Wire-Standard. www.arnoldnextg.de
About Arnold NextG:
Arnold NextG realizes the safety-by-wire® technology of tomorrow: The multi-redundant central control unit NX NextMotion enables a fail-safe and individual implementation, independent of the vehicle platform and unique worldwide. The system can be used to safely implement autonomous vehicle concepts in accordance with the latest hardware, software and safety standards, as well as remote control, teleoperation or platooning solutions. As an independent pre-developer, incubator and system supplier, Arnold NextG takes care of planning and implementation - from vision to road approval. With the road approval of NX NextMotion, we are setting the global drive-by-wire standard. www.arnoldnextg.com
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The evaluation of autonomous mobility determines which systems are ultimately developed. Successful real-world deployment depends not only on drivability and test mileage, but above all on operational stability, availability, and controllable vehicle movement under real operating conditions.
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