National Boards > General Highway Talk

Does anyone know what this thing is?

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Scott5114:


 :confused:

Chris:
An ATR probably (Automated Traffic Recorder). It counts traffic on both lanes, I work with a less sophisticated traffic radar with my work (I have to attach it to a lighting pole), but the idea is the same.

Voyager:
I see those all the time and have always wondered what they were! Thanks for asking that.

Scott5114:
Hmm. They have them all strung out along I-35 in Norman. I thought they had something to do with the VMSes, since they were each in close proximity to a VMS...

Chris:
^^ Maybe they measure the traffic flow and change VMS'es if necessary. (alternate route or something).

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