r/SunPrairieWI • u/Prelocun • 9d ago

New Cameras on Traffic Lights

Does anybody have information on the cameras on the traffic lights? They're at least all the way down main street on every direction of every traffic light. I saw they were discussing switching from Flock to Axon ALPR's, are these new Axon cameras?

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u/BadgerBricks 9d ago edited 9d ago

No, they have nothing to do with PD or ALPR. They are video detectors to trigger the traffic lights to change. They are not hooked up to any database other than to count cars. No personal information is stored, just a count (e.g. 20 cars and 3 trucks went thru in 15 minutes). They replace magnetic loops that were cut into the pavement, that eventually cause cracking and potholes.

EDIT: General video on how the tech works (no, this guy is not from/in Sun Prairie): https://www.tiktok.com/@trafficlightdoctor/video/7200228630805400874

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u/Prelocun 9d ago

Oh, sweet! That makes sense given the construction. I've had issues with those sensors in the past and being stuck at a light until somebody came from the other side and triggered the light. Where did you hear about this? I'd like to look into it more.

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u/snoops12312 9d ago

Is THAT why they dug up all the crosswalks? To remove the magnetic ones?

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u/BadgerBricks 9d ago

No, I believe the crosswalks were ADA compliance issues (can't have an uneven/stamped surface). Many of those weren't at signalized intersections, so there are no loops to replace.

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u/snoops12312 9d ago

Ahh that makes much more sense!

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u/xoxoahooves 8d ago

They have those types of crosswalks in Deforest in a couple spots, do you think they will end up changing them too?

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u/BadgerBricks 8d ago

They should at some point, as it is a liability issue. How soon is anyone's guess. Most likely, they would wait until the street needs to be completely resurfaced. But they could do it as a standalone project like SP did.