The Division of Highway Services is a part of the Montgomery County Department of Transportation located in Gaithersburg, Md. The division is responsible for the maintenance of roadway infrastructure. Its activities include road resurfacing, and curb, gutter and sidewalk repair and replacement. The division also provides roadway tree maintenance services. Its programs include roadway and related maintenance, roadway reforestation and snow removal. In addition, the Division of Highway Services is engaged in the installation of speed humps, vacuum leaf collection and road renewal in conjunction with other county agencies. It removes more than 3,000 tons of dirt, sand and debris form the county roads annually.