Soon after starting work on the development of a methodology for national trans portation planning in Venezuela, we realized the importance of an integrated management process for such an effort. We also realized the absence in the literature of specific guidelines on how to manage and conduct a transportation planning effort. The literature on the subject of national transportation planning is predominantly theoretical and technical in nature. To a large extent, the absence of literature on management and broad-based methodological approaches reflects the limited and ad hoc nature of the...