9 Surveying machines and instruments; apparatus and instruments for weighing; measuring, signaling, checking apparatus and instruments, namely, electric and inductive sensors and replacement parts thereof for use in wheel detection and axle counting systems; measuring, detecting and monitoring devices, namely electric sensors and vibration sensors; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; electric and magnetic measuring devices, in particular inductive sensors for use in wheel detection and axle counting systems; sensors for use in wheel detection and axle counting systems; acceleration sensors; temperature sensors; devices for wireless radio transmission; radio receiving tuners; radio transceivers; electric circuits for counting wheel axles; data processing apparatus and computers and structural parts thereof; interface cards for connecting measuring devices and sensors with computer installations; downloadable and recorded computer software, in particular for the processing of sensor data; housings for measuring devices, namely electric swich housings and electric junction box housings; housings for measuring devices, namely, cases for measuring devices for use in wheel detection and axle counting systems; housings for electric apparatus namely, computer cases and computer server cases; cabinets adapted to hold electrical apparatus, namely traffic control equipment; cabinets especially adapted to hold electrical switches; file network servers; lightning protection devices, namely, electronic circuit boards, lightning conductors for detectors, sensors and controllers, voltage surge protectors for detectors, sensors and controllers; signal cables for Internet technology, audio vision and telecommunication; optical fibers; optical cables; fiber optics; fiber optic cables; optical data links and networks; optical and electro-optical sensors; fiber-optical sensors; pressure- and vibration-sensitive fiber optic cables; laser sensors; acoustic meters; sound processors; fiber optic sensor systems; fiber optic sensor systems, especially for monitoring traffic routes and transport routes as well as vehicles and transport systems; optical transmitters; optical transmitters for use with fiber optic cables; optical measurement devices; optical measuring components; optical filters; detectors, namely, photoelectric detectors, motion detectors, ultrasonic detectors; laser detectors for measuring purposes; optical transceivers; lasers for measuring purposes; sensory software namely, downloadable and recorded software for use in processing sensor data; downloadable and recorded computer software for the collection and transmission of positioning data; downloadable and recorded computer programs for data processing of acoustic signals; downloadable and recorded computer software for traffic control and traffic monitoring; downloadable and recorded computer software for safety monitoring systems