 It is signed as Church Avenue in Mulberry and South Florida Avenue in Lakeland.From its southern terminus at SR 62 in the tiny town of Duette in Manatee County, it travels in a northeastern direction, briefly entering the "Four Corners" section of Hillsborough County before entering Polk County.For most of its length south of Florida State Road 60 (SR 60) in Mulberry, SR 37 is a lonely stretch of road with oak hammocks and occasional phosphate mines.