‘The white phase concept incorporates a new traffic signal, so that human drivers know what they are supposed to do,’ he said ...

Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish light that’s near the traffic lights.

Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish ...

Let’s explore the inner workings of traffic signals. The traffic lights and crosswalk signals at an intersection are only the public user interface, of course. The interesting stuff is going on ...

Emergency and public transportation vehicles in cities that deployed traffic signal priority technology saved thousands of hours in travel time in 2024. The tech safely clears the way for first ...