Seeing Kroger's and upscale in the same paragraph makes me giggle inside. No offense at all Plu, it just goes to show the state of our grocery offerings here that we even consider it that.
Since this is a Norman section, I'll keep my comments to Norman only. West of the tracks is getting crowded, but Aldi is a bit further south than the recent additions. However, I think that area is just about tapped out. Central Norman and East Norman (not the Lake area) have the best potential for future development. I would say the Hwy 9/US 77 area has the best potential for a Kroger's or Trader Joes (maybe even the store that Pete has been hinting at for coming to the region).
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