State Road 37 (SR 37) is a state highway in Manatee and Polk counties in Florida, United States, that also passes through the very extreme southeast corner of Hillsborough. It connects Florida State Road 62 (SR 62) in Duette, Florida with Florida State Road 35 / Florida State Road 600 (Main Street) in Lakeland. It is signed as Church Avenue in Mulberry and South Florida Avenue in Lakeland.

Quick Facts State Road 37, Route information ...

State Road 37
Route information
Maintained by FDOT
Length	34.227 mi[1] (55.083 km)
Major junctions
South end	SR 62 in Duette
Major intersections	SR 60 in Mulberry SR 570 in Lakeland
North end	SR 35 / SR 600 in Lakeland
Location
Country	United States
State	Florida
Counties	Manatee, Hillsborough, Polk
Highway system
Florida State Highway System Interstate US State Former Pre‑1945 Toll Scenic
← SR 35 → SR 39

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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. From SR 60 to its northern terminus at West Main Street in Lakeland, it serves as the north/south dividing line of the street grids of both Mulberry and Lakeland.

The road was originally built to provide easy access between Bradenton (via SR 62) and Lakeland, although it was mostly bypassed after the construction of the faster I-4 and I-75.

• List of state highways in Florida
• List of highways numbered 37