Cologne’s public transport operator, Kölner Verkehrs-Betriebe (KVB), has placed an order with Swiss rail manufacturer Stadler for 132 high-floor light rail vehicles, marking a major step in the modernisation of the city’s urban transport fleet. Valued at just under EUR 700 million, the contract represents a significant investment in sustainable and high-capacity mobility for the city. The first vehicles are expected to be delivered in 2029.
As part of the agreement, Stadler will also supply 34 intermediate modules, each 10 metres in length, allowing for flexible configuration and capacity expansion. The new fleet is being custom-built to meet the specific operational requirements of Cologne’s light rail network.
The new vehicles feature modularity at their core. Each train can be coupled with another via a quick-release system to form a single, continuous unit. With the addition of the intermediate modules, the vehicles can reach a length of approximately 70 metres, providing space for up to 470 passengers—well above the capacity of the existing fleet.
This configuration supports a more efficient use of infrastructure and helps to reduce congestion during peak travel periods. The design is intended to facilitate rapid boarding and alighting, with wider aisles and a continuous, accessible interior layout that promotes even passenger distribution.
KVB CEO Stefanie Haaks welcomed the development, highlighting the importance of the investment to Cologne’s broader mobility goals.
“The city council’s approval of this important project gives us planning security. In view of a challenging budget situation, we are very grateful for the financial support, which sends a positive signal for the implementation of the mobility transition and strong public transport,” said Haaks. “Both our passengers and drivers can look forward to modern trams and a high level of comfort.”
State-of-the-art technology and safety systems
The vehicles will be equipped with cutting-edge technology aimed at enhancing both operational performance and passenger safety. The driver’s cab features an ergonomic layout with panoramic visibility, along with a digital display system that adjusts automatically to ambient light conditions. A video-based rear-view mirror system will eliminate blind spots, while driver assistance technology will help prevent collisions.
Each vehicle will also include an integrated passenger counting system supported by analytical software to aid in operational planning. Hybrid wheels with aluminium rim rings will help reduce both the vehicle’s overall weight and noise levels during operation.
Interior comfort and accessibility
Passenger comfort and accessibility are central to the vehicle design. Energy-efficient air conditioning systems will use natural refrigerants to maintain a pleasant cabin temperature. Uniform LED lighting and large 29-inch information displays will ensure a well-lit and informative travel environment.
The layout includes wider gangways and a fully walk-through compartment, improving accessibility for passengers with reduced mobility. Both KVB and Stadler have placed a strong emphasis on inclusive design, with careful attention to material selection and colour schemes to support all user needs.
Key features at a glance
- Number of vehicles: 132 units + 34 intermediate modules
- Maximum length: Up to 70 metres (with intermediate modules)
- Doors: 8 to 10 per side, depending on configuration
- Passenger capacity: Up to 470 passengers
- Interior features:
- Energy-efficient air conditioning with natural refrigerants
- Large-format (29-inch) passenger information screens
- Spacious, accessible interior with wide aisles
- LED lighting for uniform illumination
- Driver features:
- Ergonomically designed cab
- Full all-round visibility
- Driver assistance and collision warning systems
- Video-based rear-view system
- Commissioning:
- Pre-series delivery from 2029
- Full series deliveries from 2030 to 2032
The new fleet is designed for a service life of over 30 years. As part of a long-term partnership, Stadler will also provide spare parts, service, and ongoing technical support. This includes preventive maintenance and advisory services to ensure continued reliability and safety over the vehicles’ operational lifespan.
KVB’s current fleet includes the ageing 2200/2300 and 5100 series vehicles. The new trains will gradually replace these units from 2029 onwards, initially operating on lines 4, 13, and 18. The first batch—comprising ten vehicles and five connecting modules—is scheduled to enter pre-series service in 2029, with full series production and deliveries running from mid-2030 through to the end of 2032.
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