1908 | OPR completes work on a macadam object-lesson road built on the State Fair Grounds in Sedalia, MO. Work on the 2,945-foot road from 16th Street to the administration building began on August 1, 1907. The final road, built on a sticky gumbo soil, is 24 feet wide, with a depth of 4 inches at the sides and 6 inches at the center. With labor varying from $1.50 to $2.50 and animal teams at $3.50 per day, the road cost $6,731.82. |