The result is a uniform, aesthetically pleasing area. Manually removing and replacing individual lock pins on quick coupler lift groups is a time consuming and possibly dangerous procedure. Hydraulically activated locking pins are costly and require extra maintenance. The county designed a lock pin system that is simple and safe to use. Wide farm loads that protrude over the top of narrow bridge structures are constantly breaking off Type III object markers.
Replacement costs are substantial .
A flexible mounting for Type III bridge mounted object markers was developed using common materials. Latching and unlatching truck tarps is time consuming and a safety issue. An electric tarp latch was devised to permit the driver to latch and unlatch the tarp lock from inside the cab. Modifications were made to permit the roller body to be pulled behind a Ford tractor. This allows the operator to work in a climate controlled cab.