State Route 387 (SR 387) is the unsigned designation for US 231’s bypass of downtown Shelbyville (Lane Parkway/Colloredo Boulevard), with original route through downtown being signed as US 231 Business and SR 82 (N Cannon Boulevard/Main Street/unsigned SR 10).
Length of Route 1.53 mi.
Begins: US 231/US 231 Bus./SR 10/SR 64/SR 130 in Shelbyville