AASHTO Transportation Asset Management Guide. A Focus on Implementation. Executive Summary.

摘要

Infrastructure supports the nation's economy and lifestyle, enabling mobility while providing an acceptable level of speed, safety, security, comfort, and reliability. Transportation agencies in the United States have a long history of building roads, bridges, transit systems, and other infrastructure and managing an expanding asset base. However, over the past decade there has been a growing awareness that current methods of transportation infrastructure management are inadequate to meet the demands of American citizens and industry.