Stop signs that may be difficult to see could be made safer with solar-powered smart stop signs that recognise an approaching vehicle and flash a warning light. The signs, which are the brainchild of ...

SCOTT, STACEY, AND STEVE, THAT WARNING IS SIMPLE BLOW BY A SCHOOL BUS STOP SIGN AND SAY GOODBYE TO A HEFTY CHUNK OF CASH IF YOU BLOW BY THE OUTSTRETCHED STOP SIGN OF A SCHOOL BUS, YOU’LL BE ...