[gcb]

I'm not disliking based on aesthetics.

but because 100% of traffic lights were i live are square. nothing new.

also, besides being square, they have sensors in the asphalt that detects cars (and bikes in bike lanes) toadjust for optimum wait time.

[ZoFreX]

Where do you live? They're all round here (and often barely visible, judging by the number of times I've almost been on the receiving end of a bumper...)