Why not fill in the depressed section of I-70, which is aptly named, with water. Have a canal run down the middle of a newly streetscaped boulevard.
Build quaintly historicist two and three story mixed use buildings with modern touches on the east side (current Arch Grounds).
Make the street an urban street and give people a better way to take in the Arch and the Old Courthouse--by water!
Combine this with Steve Patterson's opening up of the Mansion House complex! St. Louis is set.
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