Georgia State Route 42 Georgia State Route 42 State Route 42 (SR 42) is a state highway that runs southeast-to-northwest through portions of Peach, Crawford, Monroe, Butts, Henry, Clayton, and DeKalb counties in the central and north-central parts of the U.S. state of Georgia. The route connects Byron with the Atlanta metropolitan area, via McDonough, Stockbridge, and Forest Park. SR 42 begins at an intersection with SR 49 (Peach Parkway) in Byron, in Peach County. It stairsteps its way to the west and northwest, crossing into Crawford County along the way. In Knoxville, it intersects US 80/SR 22 (East Crusselle Street). The three highways
Indiana State Road 9 continues north towards the Michigan state line. Before the Michigan state line, SR 9 passes through an intersection with State Road 120 in Howe. Then just south of the Michigan state line, SR 9 has an intersection with the Indiana Toll Road (Interstate 80/Interstate 90). Then SR 9 crosses into Michigan as M-66 heading north toward Sturgis. From 1917 to 1926 the current route of SR 9 was known as State Road 11. With the SR 9 given to a route that went from Linton to Brazil and a second section from Rockville to Old State Road 10. The nickname