Stadler Is Testing New Wheels to Reduce Vibrations on TINA Trams

Why It Matters

Lower noise and vibration improve passenger comfort and reduce community complaints, strengthening the case for modern low‑floor trams in dense European cities.

Key Takeaways

• BLT and Stadler reduced TINA tram noise by 3.7 dB, halving it
• New rubber‑suspension wheels will be tested in July 2026 to cut vibrations
• Positive test results will lead to factory‑fit wheels and retrofits across fleet
• TINA trams now serve six European cities; 14 more ordered in Germany
• Costs of wheel upgrades are covered by Stadler, easing operator expense

Pulse Analysis

Urban tram networks face a delicate balance between capacity, accessibility and environmental impact. Stadler’s TINA model, praised for its fully low‑floor design, initially struggled with noise and vibration in tight historic corridors. By integrating additional damping components, refining wheel profiles and tweaking electromagnetic track brakes, the partnership with BLT succeeded in lowering primary noise by 3.7 decibels—a reduction that translates to a perceived 50 percent drop. This achievement not only aligns the new fleet’s acoustic footprint with the legacy Tango trams but also demonstrates how targeted engineering can quickly address community concerns in dense city cores.

The next frontier for the TINA platform is vibration mitigation, a key factor in passenger comfort and vehicle longevity. The upcoming July 2026 trials will equip a test tram with rubber‑suspension wheels, a technology that absorbs shocks at the wheel‑rail interface more effectively than traditional steel wheels. Should the field measurements confirm the expected damping, Stadler plans to incorporate the design into all future production units and to retrofit the existing fleet, absorbing the cost itself. This proactive approach reduces wear on tracks, lowers maintenance intervals, and offers a smoother ride, positioning the TINA trams as a benchmark for next‑generation urban mobility.

From a market perspective, the successful rollout of quieter, smoother trams strengthens Stadler’s competitive edge in Europe’s expanding light‑rail procurement landscape. Cities such as Basel, Darmstadt, and The Hague already operate TINA units, and recent German tenders added 14 more vehicles to the pipeline. Demonstrated ability to rapidly address acoustic and vibrational challenges reassures municipalities that the technology can adapt to legacy infrastructure without costly overhauls. As European regulators tighten noise ordinances, manufacturers that can deliver low‑floor, high‑comfort solutions at scale are likely to capture a larger share of upcoming tram contracts.