Plate Locks, an American manufactured product, are a direct replacement to using cold patch asphalt or flush mounting the plate. They are intended to reduce costs, work zone accidents, injuries and contractor liabilities by consistently marking, identifying and securing road construction plates. Plate Locks safety orange colored road plate ramps are placed around the perimeter of the road plate and mechanically fastened to the roadway with concrete anchors. This innovative product makes cold patch trench plate securing a thing of the past and reduces your liability while increasing public safety whenever there is a need to use steel road plates in pipeline, gas line, water line construction or any type of utility construction cuts in the road. Never have another sleepless night wondering if your trench plates have shifted, or walked again. No more phone calls from the city, county or police during the wee hours of the morning telling you to come fix a trench plate that has moved and is posing a risk. Plate Locks road plate ramps can be left in place when steel road plates are removed to allow work to be done in the trench or for inspections. When the work or inspection is done simply replace the steel plate. There is no need to re-install the Plate Locks road plate ramps. Compare that to needing to replace cold patch every time the road plate is moved and you quickly see you have a winning alternative to traditional methods of securing trench plates.