Safety measures 116 Automobiles 115 Design and construction 27 Crashworthiness 20 Testing 18 Security systems 12 Motor vehicles 11 Security measures 8 Anti-theft devices 6 Infrared detectors 6 Microcontrollers 6 Safety appliances 6 Sensor networks 6 Wireless sensor networks 6 Automatic control 4 Bumpers 4 Computer network protocols 4 Control systems 4 Data processing 4 Field programmable gate arrays 4 Intelligent control systems 4 Intelligent transportation systems 4 Methodology 4 PIC controllers 4 Seat belts 4 Traffic accident investigation 4 Traffic safety 4 Trucks 4 Ultrasonic transducers 4 Wireless communication systems 4