Manual of temporary erosion control products for roadside ditches

"September 2017."; Includes bibliographical references (pages 64-65).Sediment continues to be the primary pollutant by volume in Ohio's streams and rivers. Unvegetated roadside ditches' side slopes and bottoms erode and contribute tons of sediment annually to local receiving streams. This manual of temporary erosion control in ditches was developed to familiarize highway maintenance personnel with best practices for installation, recommended application rates and selection methods of erosion control products. Sometimes it is not possible to establish vegetation in ditches--in such instances, the ditch may need permanent protection with concrete, riprap, gabion baskets, geogrid, turf reinforcement matrices, retaining walls, or other approved products. Permanent erosion control product installation should be properly designed by an engineer and is outside the scope of this Manual