- There's a downside to warmer weather, the start of construction season. Jackson is getting ready to start the next phase of it's "Dig Downtown." By the middle of March, crews will be tearing-up Michigan Avenue between Blackstone and Mechanic Streets to replace water mains and sanitary sewers. Consumers Energy will replace old gas mains and underground electrical systems. All that road work is leaving businesses worried about what that mess will do to their bottom line.