traffic safety 312 transportation accidents 61 automobile electronics 49 road transport 39 cars 37 transport means driving 37 personal cars 35 more ... security devices in automobiles 32 railway transport 29 air transport 27 automobile accessories 23 traffic 21 tests 21 construction 19 railway crossings 19 accident rate 18 autonomous systems 17 children 16 road tunnels 16 railway lines 15 artificial intelligence 14 electronic security devices 12 telecommunications 11 integrated rescue service 10 automotive lighting 10 roads 9 injuries 9 railway signalling systems 9 transport 8 means of transport 8 less ...