[jamesk_au]

"In some Australian cities, in the central business district, the traffic light push buttons don't work at certain times — for example, 7 am to 7 pm, Monday to Wednesday, and 7 am to 9 pm, Thursday to Saturday.

The rationale is that between these busy hours, the road traffic is relatively constant, and also, the pedestrian crossings are in continuous use. So the lights do their own thing.

However, the traffic light push buttons do work outside these hours, including all day Sunday."

[pretzel]

... which is kind of annoying if you sleep on top of one. Endless tocking away on a hot summer night where you can't sleep is kind of like water drip torture.