 state road 37 (sr&nbsp;37) is a major route in the u.s. state of indiana, running as a four-lane divided highway for 110 miles of its course. at one time, the route ran from the southwest corner of the state to the northeast corner. in the pre-interstate highway era, indiana 37 was the most direct route between fort wayne and indianapolis. interstate 69 has supplanted it a
Dixie_Highway Interstate_69 State_highways_in_Indiana Transportation_in_Allen_County,_Indiana Transportation_in_Crawford_County,_Indiana Transportation_in_Fort_Wayne,_Indiana Transportation_in_Grant_County,_Indiana Transportation_in_Hamilton_County,_Indiana Transportation_in_Indianapolis,_Indiana Transportation_in_Johnson_County,_Indiana Transportation_in_Lawrence_County,_Indiana Transportation_in_Madison_County,_Indiana Transportation_in_Marion_County,_Indiana Transportation_in_Monroe_County,_Indiana Transportation_in_Morgan_County,_Indiana Transportation_in_Orange_County,_Indiana Transportation_in_Perry_County,_Indiana