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Brainerd Dispatch
2h
Opinion
Ask A Trooper: What are those blue/purple lights for at stoplights?
If you have any questions concerning traffic related laws or issues in Minnesota, please send your questions in.
Moose Lake StarGazette
8h
Blue lights help officers enforce laws
Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish light that’s near the traffic lights.
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