Near the northern terminus this road features unstripped shoulders, narrow roadway width, hairpin curves, and degraded pavement. All sections of SR 191 are quite curvy, with speed limits at the southern sections dropping from 55 mph (89 km/h) to 45 mph (72 km/h). North of Camden, the posted speed limit is 50 mph (80 km/h) and drops off from 40 mph (64 km/h) at Eva to as low as 20 mph (32 km/h) inside the state park. Total length of highway is 24.02 miles (38.66 km).