1994. Lowell Surfacing Thickness Design Test Road. FHWA-FLP-94-008. San Dimas, CA: U.S. Department of Agriculture, Forest Service, San Dimas Technology and Development Center. 108 p.
This study verified the STP aggregate surfacing thickness design method to determine if the designs produced by this method are realistic. The resultant guide presents modifications to the design guide procedures which adjust for local conditions such as, different soil types and climate.
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