With the help of "Light Line", a warning light installed in the pavement, crossing the road becomes safer for pedestrians: in parallel to the switch function for the traffic light, "Light Line" uses a red or green signal to show whether the street can be crossed without danger or not. The warning light was developed by DSTA, a Spanish company that designs and manufacture LED solutions for traffic, lighting and transports. The signals in the various colors are provided by light emitting diodes from OSRAM Opto Semiconductors. Particularly at less b...