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ST. LOUIS (KSDK) – Market Street will close Tuesday between Broadway and 4th Street as part of Ameren Missouri's downtown revitalization project.

The closure could last up to eight weeks. During that time, traffic will be redirected down Broadway to Walnut Street.

It's part of a project aimed at making upgrades to facilities and equipment in the underground network – certain parts of which have been used for almost 100 years.

No additional information was immediately available.