Route #31 & #31X - Middletown & Middletown Express ( Map) - In response to community requests, the #31 and #31X will operate on Shelbyville Road instead of on several side streets in the Middletown area.Southbound, buses on Fourth Street will go east on Market, and south on Second Street, instead of Third Street, and then west on Muhammad Ali Boulevard, reconnecting to Fourth Street. This routing will avoid anticipated impacts from the closure of Third and Fourth streets between Market and Jefferson streets for the Kentucky International Convention Center rebuilding project. Route #1 - Fourth Street ZeroBus Northbound ( Map) - Northbound, the route will be extended two blocks on Fifth Street, traveling east on Market Street instead of Liberty Street to reconnect to Fourth Street.“Most of the changes are minor but passengers are advised to check schedules in advance of the changes and plan trips accordingly,” TARC wrote in a press release. Here’s information on the changes from TARC: Route changes to the ZeroBus (noted below) went into effect on Monday, July 25 and changes to the other routes will go into effect Sunday, August 21. The Transit Authority of River City (TARC) has announced service changes to 23 of its routes due to construction activity and traffic delays around the city.