As electric vehicles (EVs) become more common on the streets, pedestrians, cyclists, and other vulnerable road users are encountering more and more artificial warning sounds. These signals—known as ...

Today is a gridlock alert day. So you may want to think twice about bringing your car into Manhattan. However, if you like the sounds of honking horns, sirens and engines revving, then go right ahead.

Rules of the road. The National Highway Traffic Safety Administration says new electric cars and hybrids must emit noise when operating at speeds below roughly 20 mph.

The positive impact of natural sounds can be marred by the blaring horns and screeches of road traffic, increasing people’s stress and anxiety, new research found. While previous research has ...