Electronic warning system for wrong-way drivers using radio


A German university developed a radio-based warning system for wrong-way drivers using radio. This technical innovation combines an autonomous detection of false drivers and automatic reporting to the traffic section concerned. The university is offering this technology under license agreement and possibly a technical cooperation agreement.

Partner sought

The university offers a license agreement to implement the solution. Suitable partners are state building authorities, manufacturers of warning systems (optical or acoustic) or large technology groups, who can push ahead with nationwide deployment. If the know-how of the university is required, a technical cooperation can be integrated. It could, for example, support a potential partner in the demand-oriented further development of the warning system (mobile apps or modules).


Several thousand accidents caused by wrong-way drivers occur every year in Germany alone, especially on motorways. Nevertheless, there are currently no active safety precautions or direct warning systems for road users within the danger zones. An invention of a German university addresses this lack. The presented measuring device is a radio tomographic imaging system with several transmitters and receivers. These are installed, for example, along a motorway exit and can determine the direction in which a vehicle is traveling. If a vehicle is detected traveling in the opposite direction to the stipulated way of travel, the warning device sends warnings to the vehicle that is traveling the wrong way as well as to all vehicles in the vicinity. The invention makes it possible to monitor sections of road that require monitoring, such as relevant points on freeways, rest areas or parking lots, or even one-way streets, and to trigger warning signals. As the warning beacons can be equipped with optical warning units, it is possible to connect them wirelessly to a hop-to-hop network. An optional connection of the detection system to the cellular network allows the warning message to be automatically sent to a traffic control center via mobile communications. It is very useful on freeways, parking garages and one-way streets. The university is offering this technology under license agreement that can include a technical cooperation agreement for further user-specific development. Potential partners would be state building authorities or manufacturers of optical and acoustic warning systems.

Advantages and innovations

Not available

Development stage

Prototype available for demonstration

Intellectual Property Rights (IPR)

Patents granted

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