Duke University's John Staddon makes the case for less, and more effective, road signage in the U.S - using Durham roads and streets as examples:
From here, which I discovered here because I am fascinated by the science of traffic and driving. If only explaining the mathematical models of traffic flow and the cognitive psychology of driving to the traffic cop could get one out of a ticket....
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I've always been fascinated by traffic. (I grew up in LA, so I had plenty of time to indulge my interest.) City streets are a complex system in which seemingly insignificant changes - a broken street light, a stalled car, a poorly designed highway merge - can have dramatic consequences.
It's 10pm on a Sunday night, and I'm driving west on Interstate 10 right through the middle of downtown Houston. Focused on getting to my destination safely, I obey the traffic laws and proceed through the comparatively deserted interstate at the maximum speed allowed by law.
ERV is probably right. No one reads Uncommon Descent.
The bigger problem is communities that use traffic enforcement fines as a revenue generator. Multiple and/or misleading signage becomes a profit center. The same thing goes for red light cameras, where traffic light timing is manipulated to increase revenue at the expense of safety.