Helsinki’s public transport system has unveiled an innovative solution for winter rail maintenance by repurposing a vintage tram into a specialized de-icing vehicle. The project, led by Kaupunkiliikenne, the city’s transport operator, ensures uninterrupted service on Light Rail Line 15 during Finland’s harsh winters.

According to the City of Helsinki’s transport department, maintaining overhead electrification infrastructure is critical for preventing ice buildup that can disrupt light rail operations. The converted tram, now known as “Ananas” (Pineapple) due to its distinctive yellow livery, is a prime example of sustainable urban mobility and resourceful engineering.

From Passenger Tram to Cutting-Edge De-Icer

The tram originally entered service in the 1980s and underwent a 1999 refurbishment, adding a low-floor section for accessibility. For its new life as a de-icing vehicle, engineers at Kaupunkiliikenne’s maintenance division removed the passenger seating and modified the structure for bidirectional operation by installing a second driver’s cab.

Instead of using a traditional felt roll to apply antifreeze, the new system deploys a high-tech spray mechanism, ensuring even distribution of de-icing fluid on the overhead power lines. This method improves efficiency while reducing maintenance time. The system is monitored through 10 CCTV cameras, providing real-time oversight for transport engineers.

Enhancing Winter Transport Resilience in Helsinki

As part of Helsinki’s broader urban mobility strategy, outlined by the Finnish Transport and Communications Agency (Traficom), ensuring year-round efficiency in public transport is a priority. Harsh winters in Finland present operational challenges, with ice accumulation on power lines causing disruptions.

By introducing Ananas, Helsinki strengthens its winter readiness strategy for rail services, aligning with the city’s Smart & Clean Helsinki initiative, which focuses on sustainable and innovative transport solutions.

Sustainable Transport Innovation

The conversion of an existing vehicle instead of procuring a new one aligns with Finland’s circular economy goals and EU transport sustainability directives. By retrofitting instead of replacing, Kaupunkiliikenne has minimized waste and maximized resource efficiency.

Furthermore, Helsinki’s commitment to maintaining low-emission transport systems is evident in this cost-effective, eco-friendly adaptation that enhances the city’s rail infrastructure.

Future of Rail Maintenance in Finland

With climate conditions becoming increasingly unpredictable, cities like Helsinki are embracing smart mobility solutions to keep transport systems running smoothly. The success of Ananas may inspire other European cities to explore retrofitting older public transport vehicles for specialized purposes, extending their service life while meeting modern needs.

Through initiatives like this, Helsinki continues to set global benchmarks in transport innovation, efficiency, and sustainability, ensuring its residents enjoy safe, reliable, and weather-proof public transportation all year round.

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