For any non-Americans wondering what happens if 4 vehicles arrive at the same time all going straight: Yes, it does happen, and it results in 4 people waving ea

For any non-Americans wondering what happens if 4 vehicles arrive at the same time all going straight: Yes, it does happen, and it results in 4 people waving each other through, start-stopping in anticipation of each other, and finally someone blowing through the intersection at full throttle in frustration.