A "minimum-standard" forest truck road that provides efficient and environmentally acceptable access for several forest activities is described. Cost data are presented for eight of these roads constructed in the central Appalachians. The average cost per mile excluding gravel was $8,119. The range was $5,048 to $14,424. Soil loss was measured from several sections of a minimum-standard road. Traffic was regulated the first year and unrestricted the second year. Losses ranged from 44 tons per

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... re on ungraveled road sections to 5 tons per acre on graveled sections. Soil loss from the graveled sections on the minimum-standard road was about the same as that from higher standard graveled roads. * U. S. GOVERNMENT PRINTING OFFICE : 1985-505-026 t 20034 Medquarters of the Nnftlhemtem firest Exprimeat Station are in Broomall, Pa. Field laboratories are maintained at: @ Amherst, iMimaehusr?tts, in cwpratiocln with the University of Massachuwtts. @ k r e a , Kentucky, irn cmyperatbn with laerea Cslkge. @ Burlington, Vermont, in cooperation with the University of Vermont. @ hiaware, O~o , New Hampshire, in cooperation with the University of New H m p G s e , @ Hamden, C~nnwtLuB, b cwpr&ion with Yale UmivemOty. @ Morgmtown, West Virginia, in cooperation with West Virginia University, Morgantown, @ Omno, Make, irn c m p s a t b n with the