What studies on Radbahn exist?

For now, there is a potential and risk analysis commissioned by the Reallabor Radbahn, which provides information on the urban and social strengths and weaknesses of the overall Radbahn route.

Besides this, the Senate Department for the Environment, Transport and Climate Protection is preparing a technical feasibility study that examines the technical feasibility of the section Oberbaumbrücke-Kottbusser Tor.

Why the studies?

  • Consolidation and discussion of previous assumptions
  • Educate residents and potential users of the Radbahn
  • Provide political decision-makers with a solid foundation for decisions regarding the implementation of the overall project
  • Serve as a source of inspiration for comparable projects
  • Create broad support for the project within society

Scientific Studies

Potential and Risk Analysis – Commissioned By Reallabor Radbahn

Fundamental to our work is a potential and risk analysis that was initiated by the Reallabor Radbahn team. Our colleagues from Urban Catalyst and their partners examined the entire Radbahn route, from Bahnhoof Zoo in the West of the city to Oberbaumbrücke in the East.

The study was published in November 2021 and can be downloaded here (in German only).

Bridging the mobile, the ecological, the technical and the human

The study looks at the interactions, possible synergies and conflicts with social, ecological and economic aspects on the basis of the focus topics of urban space and road space. It asks what effects the Radbahn can develop along the entire route on people, the city and mobility.

Blick von der Mariannenstraße auf das Hochbahn-Viadukt. Im Vordergrund sieht man an beiden Straßenseiten Radweg-Markerigungen, in der Mitte eine Ampel, die von Fußgängern überquert wird.

Aiming at a multi-coded urban space

  • Radbahn as a liveable urban space
  • Radbahn as a common road space
  • Radbahn as connection

The study examines Radbahn with respect to different thematic fields and therefore is less of technical nature. The analysis shows which route segments offer possible opportunities for urban development or bicycle traffic, but also where and in what form planning or construction challenges are to be expected.

Feasibility And Transferability Study by Reallabor Radbahn

We will leverage our experiences and findings from the test site —as well as input from our accompanying events, discussions and external studies—to draw conclusions regarding the entire Radbahn route. In doing so, we will focus on the following thre areas:

  • Urban space: vegetation, street furniture, small businesses, arts & culture, etc.
  • Transportation: safety, intersection design, multimodality, etc.
  • Innovation: intelligent traffic light control, traffic guidance systems, etc.


Together with experts, we want to further develop possible feasible elements, both in terms of urban and traffic integration as well as the technical and structural implementation of bike lanes in the center of the road. Questions of sustainability and economic efficiency will also be given special consideration.

Set of criteria for similar projects

All findings and results collected during the project until the end of 2023 will be closely interlinked and summarized in a final report. The purpose of this report is to assess how the findings can be applied to the entire Radbahn route. In addition, the report will be used as a basis for formulating recommendations for action for similar cycling and urban development projects and real-world labs in other cities and contexts.

Technical Feasibility Study – Commissioned by the Berlin Senate

Querschnitt des Straßenraums der Skalitzer Straße. Radverkehrsanlagen unter dem Viadukt und links und rechts auf der Fahrbahn und Kfz-Verkehr mit einem Fahrstreifen je Richtung
Die Radbahn-Idee: Ein Fahrradpark unter dem Viadukt ergänzt bestehende Radverkehrsanlagen ©paper planes e.V.

Section in focus: Oberbaumbrücke - Kottbusser Tor

An independent feasibility study commissioned by the Berlin Senate Department for the Environment, Transport and Climate Protection (SenUVK) is also of importance to our project. In this study, the company Rambøll, a contractor, is subjecting three variants of the Radbahn concept on the Oberbaumbrücke – Kottbusser Tor section to an examination of a purely traffic engineering nature.

How can the Radbahn be accomplished?

The leading question here is: “Which traffic-technical variants and preconditions allow for the construction of the Radbahn?” The feasibility study, the results of which are expected in early 2022, is an important building block for the Radbahn. Together with the above-mentioned potential and risk analysis, the results of the Senate’s traffic feasibility study will be incorporated into our further planning.
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