IDK who needs to hear this but traffic lights were not invented and are rarely installed to improve safety
@DrTCombs what is their purpose? Traffic flow?
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@Bikevisionary yep. traffic lights improve predictability, which improves flow.
better flow does not mean more safety, and in fact often means the opposite. when someone tells you they need to improve congestion "for safety," they either misunderstand the relationship between congestion and safety or they are lying.
@Bikevisionary Ripping out traffic lights isn't the answer though: sadly, we've gone too far down that road (sorry). But we *can* use traffic lights--in concert with better intersection design--to prioritize safety instead of flow if only we have the guts.