while interconnection of urban clusters and their linkage to international transport networks is invariably crucial to national economic development this review will focus more specifically on transport within urban areas as opposed to interurban transport given the urgent transport challenges observed especially within large urban areas in viet nam taking a balanced approach to transport development this policy framework gives attention to transport needs in rural as well as urban areas while also acknowledging the interdependence of rural and urban transport systems the adjustment has given priority to the development of mass transit systems initially in ha noi and ho chi minh city in order to decongest these cities and to improve safety