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A pavement management system (PMS) is a planning tool used to aid pavement management decisions. PMS software programs model future pavement deterioration due to traffic and weather, and recommend maintenance and repairs to the road's pavement based on the type and age of the pavement and various measures of existing pavement quality.
David Ward King, Inventor of the King Road Drag Contemporary Drawing of the King Road Drag Road Drag Patent. The King road drag (also known as the Missouri road drag and the split log road drag) was a simple form of a road grader implemented for grading dirt road. It revolutionized the maintenance of dirt roads in the early 1900s.
The rapidly increasing speed of automobiles, and especially trucks, made maintenance and repair high-priority items. In 1915, OPR's name was changed to the Bureau of Public Roads . The following year, federal aid was first made available to improve post roads and promote general commerce: $75 million over five years, issued through the BPR in ...
Terms similar to dirt road are dry-weather road, earth road, or the "Class Four Highway" designation used in China. A track, dirt track, or earth track would normally be similar but less suitable for larger vehicles—the distinction is not well-defined. Laterite and murram roads, depending on material used, may be dirt roads or improved roads.
Skorseth, Ken; Selim, Ali A. (November 2000), Gravel Roads Maintenance and Design Manual (PDF), FHWA, South Dakota Local Transportation Assistance Program, archived from the original (PDF) on 2017-01-31; Environmentally Sensitive Maintenance Practices for Dirt and Gravel Roads U.S. Forest Service
Springfield Township faces prospect of cash crunch for roads program after voters rejected levy in March. Current levy expires at end of year.
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The Delaware State Route System consists of roads in the U.S. state of Delaware that are maintained by the Delaware Department of Transportation (DelDOT). The system includes the portions of the Interstate Highway System and United States Numbered Highways system located in the state along with state routes and other roads maintained by DelDOT.