This report describes the transportation planning process and discusses where and how environmental factors can be addressed effectively at the state and metrop

This document consists of the appendixes to NCHRP Report 541 of the same name, which examines procedures and methods for integrating environmental factors in tr

Climate Change Adaptation for Transportation Systems examines the international state of knowledge on climate change and weather and their potential impacts on

All phases of road developmentâ€"from construction and use by vehicles to maintenanceâ€"affect physical and chemical soil conditions, water flow, and air