Kalamazoo Avenue is switching from one-way to two-way traffic as part of a broader city initiative to try to improve travel through downtown Kalamazoo.Construction on Kalamazoo Avenue is set to begin sometime in July. By 2028, Michigan Avenue will also start to make the switch to two-way traffic. For businesses along the route, the changes bring both excitement and uncertainty.Scott Makohn, owner of Shakespeare's Pub, has operated his bar on Kal…