I can see it happening quite easily in the real world if you do something like close a little shortcut that gets back on the main road via a light that only eve

I can see it happening quite easily in the real world if you do something like close a little shortcut that gets back on the main road via a light that only ever changes when it detects a car on the shortcut, but that's an intersection effect, which I don't think the paradox is focusing on.