Transportation

TRB's Transit Cooperative Research Program (TCRP) Synthesis 84: Current Practices in Greenhouse Gas Emissions Savings from Transit explores the role of transit agencies in reducing greenhouse gas (GHG) emissions and examines the current practice of a sample of transit agencies. ...

TRB's National Cooperative Highway Research Program (NCHRP) Report 535: Predicting Air Quality Effects of Traffic-Flow Improvements: Final Report and User's Guide provides a recommended methodology to predict the long- and short-term mobile source emission impacts of traffic-flow improvement projects. Guidance ...

TRB's National Cooperative Highway Research Program (NCHRP) Report 661: A Guidebook for Corridor-Based Statewide Transportation Planning explores a template for corridor planning designed to help states to better understand the implications of transportation decisions on mobility, communities, economic development, and ...

TRB's National Cooperative Highway Research Program (NCHRP) Report 542: Evaluating Cultural Resource Significance: Implementation Tools examines information technology (IT) tools that are designed to improve and streamline the National Register evaluation of cultural resources. The report highlights IT prototype tools ...

TRB's National Freight Cooperative Research Program (NFCRP) Report 4: Representing Freight in Air Quality and Greenhouse Gas Models explores the current methods used to generate air emissions information from all freight transportation activities and their suitability for purposes such as ...

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 347: Managing Archaeological Investigations addresses practices that improve archaeological investigations by both streamlining the overall transportation project delivery process and enhancing the stewardship of archaeological resources. The report examines practices that improve ...

TRB's Airport Cooperative Research Program (ACRP) Synthesis 21: Airport Energy Efficiency and Cost Reduction explores energy efficiency improvements being implemented at airports across the country that are low cost and short payback. ...

TRB's National Cooperative Highway Research Program (NCHRP) Report 541: Consideration of Environmental Factors in Transportation Systems Planning examines processes, procedures, and methods for integrating environmental factors in transportation systems planning and decision making at the statewide, regional, and metropolitan levels. ...

TRB's Hazardous Materials Cooperative Research Program (HMCRP) Report 2: Assessing Soil and Groundwater Impacts of Chemical Mixture Releases from Hazardous Materials Transportation Incidents explores a tool to help assess, classify, predict, and quickly communicate fate and transport characteristics of chemical ...

TRB Conference Proceedings 37: Integrating Sustainability into the Transportation Planning Process summarizes a July 11-13, 2004, conference in Baltimore, Maryland, that examined whether and how sustainability objectives can be introduced into the planning process for surface transportation facilities and operations. ...