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Challenge / Goal

The usage behaviour of infrastructure is difficult for a city administration to estimate. Therefore, collecting data is of great advantage for sustainable urban planning. This allows traffic flows to be made visible and popular routes to be identified.


A sensor was installed in the concrete of the Blautalradweg, a road in Ulm. The sensor installed there by the company Eco-compteur detects cyclists and the direction of travel of the bicycles. The data set generated in this way enables access to this counting data via API. Frequency differences are thus visible. Significant fluctuations in the count can occur when the cycle path is closed, e.g. due to construction work.

The data are transmitted once per day at night-time via mobile phones. They represent the number of counted bicycles (regardless of the direction of travel) that have passed over the permanent counting point within 15 minute intervals. A public website presents this data separately for bicycles travelling inward/outward of the city in an easy to understand manner.

Citizen participation

Citizen dialogue, lectures, journal articles


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Time period

Planning time: Less than 6 months

Implementation time: Less than 6 months


City of Ulm

Service providers


End users

All citizens

    Main benefits

  • Promoting sustainable private transport models

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