Systematic, well-designed, and implementable research is the most effective way to solve many problems facing state department of transportation (DOT) administrators and engineers. Often, highway ...

Transportation is a dynamic field: technological, economic, social, political, and regulatory changes continually alter the environment in which transportation services are demanded and provided. The ...

As a core component of urban public transportation systems, regional and urban railways exhibit intrinsic advantages, including high safety, operational efficiency, large passenger capacity, energy ...