MARTINSVILLE, Ind. (April 17, 2020) – On or after Monday, April 20, traffic on S.R. 37 south of Martinsville is changing. Northbound S.R. 37 from Indian Creek will open to two lanes. The left lane will carry northbound through traffic, and the right lane will exit onto S.R. 39. Traffic on southbound S.R. 37 will be moved to the right lane just south of S.R. 39 so crews can work in the median.