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Multi-mode traffic enforcement

Traditionally, enforcement technology has been delivered in the form of dedicated systems that were limited to the specific application for which they were designed. This is no longer the case, as Richard Middelmann explains


n the past speed enforcement, red light enforcement and the enforcement of other offences in both fixed and mobile application scenarios all required separate solutions, result-

ing in additional installation and operator training costs. Furthermore, the choice for one specific technology could prevent the installation of other technologies and therefore the enforcement of other risk factors at that site. A new gen- eration of LIDAR (Light Detection and Ranging) enforcement systems largely eliminates the restraints of these technology silos. Its measurement technology is not limited to a single enforcement application, and the hardware is designed to be extendable for future applications. The system’s flexibility and compact design allows it to be used for both mobile and fixed operation. In addition, the LIDAR sensor can provide traf- fic management systems with real-time information on traffic volume differentiated by vehicle classes. Speeding is still the cause of most fatal and serious injury

collisions. But it is not the only one. Tailgating, prohibited lane use or running red lights are also major causes of serious accidents. Most currently available systems for automated enforcement are designed to monitor and enforce only a single driving behavior. If road fatalities are to be reduced to nil, as many nations have proclaimed in their Vision Zero, the

 Overview of accident causes in Germany

approach to automated enforcement needs to be broadened to include a variety of accident causes.

REAL-TIME 3D TRAFFIC MONITORING While conventional radar and in-road sensors only take sin- gle point measurements, the POLISCAN FM1 continuously monitors traffic using a measuring technology called LIDAR (Light Detection and Ranging). A fan of over 15,000 invis- ible laser pulses automatically scans the road every second. This equates to 15,000 individual measurements across the operational range every second. With this, the system cre- ates an accurate representation of the complete traffic situa- tion, in real-time including position, velocity and the class of all vehicles within the measuring range. Deviations from the predefined parameters trigger either photographic or video evidence, or a combination of both. In addition to generating case files of detected offenses, the LIDAR system can provide traffic management systems with the information on traffic volume and patterns it detects – differentiated by vehicle classes and in real time. This allows authorities to enforce a range of dangerous

driving behaviours that cause the majority of serious acci- dents: speeding (both spot and point-to-point measure-

Accidents with injuries – Germany 2014 Right of way

Wrong Lane Usage Tailgating Speeding


Wrong turns Other

0 39 20,000 40,000 60,000 80,000 CONNECTED AUSTRALIA SUPPLEMENT

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