Two years later, however, State Route 186 was shortened to the routing that it has today when the former State Route 69 (now State Route 235) was extended north from McComb over what was the segment of State Route 186 from there to State Route 65.
Two years later, State Route 186 was shortened to its present route as a result of the extension of former State Route 69 (now State Route 235) from McComb north over the segment of State Route 186 between there and State Route 65.