Converting Paved Roads to Unpaved (2015)

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27 NEPA—National Environmental Policy Act NPS—National Park Service PASER—Pavement Surface Evaluation and Rating PC—portland cement PCC—portland cement concrete PCI—pavement condition index RAP—recycled asphalt pavement RCI—Roadway Condition Index RMP—Road Management Program or Road Maintenance Priority RROMAC—Rural Roads Operations and Maintenance Advi- sory Committee SRS—secure rural schools TERRA—Transportation Engineering and Road Research Alliance TxDOT—Texas Department of Transportation URi—Unpaved Road Institute USFS—U.S. Forest Service USF&W—U.S. Fish and Wildlife Service VPD—vehicles per day VTrans—Vermont Agency of Transportation AADT—average annual daily traffic ADT—average daily traffic AST—asphalt surface treatment BLM—Bureau of Land Management BOMAG—brand name road recycler/reclaimer BST—bitumen surface treatment CaCl2—calcium chloride Caltrans—California Department of Transportation CSAH—County State Aid Highway DOD—Department of Defense DOT—Department of Transportation FDR—full-depth reclamation GIS—Geographic Information System HCADT—heavy commercial average daily traffic IRI—International Roughness Index LRRB—Local Roads Research Board LTAP—Local Technical Assistance Program LVR—low-volume road MCEA—Minnesota County Engineers Association MgCl2—magnesium chloride MnDOT—Minnesota Department of Transportation NACE—National Association of County Engineers GLOSSARY