Never mind the bigger signs or even fixing the thing. Just enforce existing laws. If the blue lights make sure the finger-givers know which side of the law they're on, we'll have the results we're looking for. People don't follow unenforced laws, so they keep getting bolder. But we keep trying to fix such lawlessness by pouring money into increased regulation (in this case, possible traffic lights?) instead of enforcing the laws we have.
I can think of a couple things that could bench this proposal pretty quickly, though.
1) Something goes wrong in some country we never heard of before, and we wake up the the TV news telling us that oil has surged to $150 a barrel as a result. The cost of the construction makes everyone say no before they even think twice about it.
2) Floods wash out roads this spring (see flood discussion in weather thread.) With washouts to repair (again) and oil currently around $110 a barrel, people realize they haven't got the money for a project whose necessity is in question.
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