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Through deregulation, the railroad industry has rationalized its services across the nation. Since 1980, this has lead to the abandonment of over 33,000 miles of rail line in the United States. While this has improved the efficiency and financial viability of rail carriers, it has adversely affected...

This Guide has been developed to help provide a consistent means of assessing rural roadway conditions, both within a county and statewide. The roadway evaluation methodology described in this Guide will provide county highway agencies with a uniform and consistent means of defining pavement and roadway...

This paper presents results of laboratory tests conducted to determine the effects of additives on the stabilization of unpaved road surfaces. Laboratory tests can be an efficient means of determining which additive will best stabilize a given unpaved road surface, but correlation between laboratory...

The goals of this study were to depict the continuing educational needs of Region VIII state transportation departments, to devise alternative methods of educational delivery, and to identify and overcome institutional and technological barriers. Surveys of Wyoming and North Dakota transportation department...

The principle objective of this report is to describe a methodology for the development of user interfaces that is appropriate for existing engineering software. This methodology is appropriate for applications that are specialized and may not command the market required for extensive broad based commercial...