Dillon Beach Road will be under construction starting late August, with completion expected around mid-November. The only road in and out of Dillon Beach is receiving a new retaining wall about a quarter-mile west of Elephant Rock. While a section of the road was being repaved last fall, a portion was found in need of a retaining wall. A geotechnical assessment taken after the roadwork determined the ground beneath the roadway was slowly sliding out.…