Where do I find traffic info for a commercial property

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I am looking at purchasing a 5 story office building in Jacksonville. It is 77,344 total sq ft and built in 1975. Part of it is under renovation but the owner stopped and is selling it as it. Currently it is only 15% occupied. The ARV on this property is $4,490.000 and I can buy it for $1,274,000 but it will require about $1.3 mill in rehab to get all the units ready for sale.

I am trying to find info on traffic counts and other area info about the property that is relevant to an office building. Where is the best place to find this?