Originally Posted by
stile99
If this were 1937, i might accept this answer. But it's 2017, and programmable timers have since been invented, not to mention computers, not to mention the internet. Even if, somehow, a simple programmable timer wouldn't get the job done, and for some reason a small computer wouldn't get the job done, they could easily send a signal to the lights and change the timing as needed.
And, as noted, they spent money putting sensors in the road. On top of that, cities like to brag they have traffic cameras to handle this exact situation.
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