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Transportation : Environment
NCHRP Synthesis 394: Reducing Litter on Roadsides

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 394: Reducing Litter on Roadsides explores the state of the practice in reducing roadside litter as it involves state departments of transportation (DOTs). The report provides information concerning the prevention and removal ...

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ACRP Report 11: Guidebook on Preparing Airport Greenhouse Gas Emissions Inventories

TRB's Airport Cooperative Research Program (ACRP) Report 11: Guidebook on Preparing Airport Greenhouse Gas Emissions Inventories explores a framework for identifying and quantifying specific components of airport contributions to greenhouse gas emissions (GHG). The report is designed to help airport ...

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NCHRP Report 630: Measuring Tire-Pavement Noise at the Source

TRB's National Cooperative Highway Research Program (NCHRP) Report 630: Measuring Tire-Pavement Noise at the Source examines a suggested procedure for measuring tire-pavement noise at the source using the on-board sound intensity (OBSI) method.



The following appendixes ...

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ACRP Report 9: Summarizing and Interpreting Aircraft Gaseous and Particulate Emissions Data

TRB's Airport Cooperative Research Program (ACRP) Report 9: Summarizing and Interpreting Aircraft Gaseous and Particulate Emissions Data explores a series of government-sponsored aircraft emissions tests that were undertaken to gain a better understanding of gaseous and particulate emissions from aircraft ...

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ACRP Synthesis 10: Airport Sustainability Practices

TRB's Airport Cooperative Research Program (ACRP) Synthesis 10: Airport Sustainability Practices explores airport sustainability practices across environmental, economic, and social issues. ...

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ACRP Synthesis 9: Effects of Aircraft Noise: Research Update on Select Topics

TRB's Airport Cooperative Research Program (ACRP) Synthesis 9: Effects of Aircraft Noise: Research Update on Select Topics includes an annotated bibliography and summary of new research on the effects of aircraft noise. The report is designed to update and complement ...

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ACRP Report 7: Aircraft and Airport-Related Hazardous Air Pollutants: Research Needs and Analysis

TRB's Airport Cooperative Research Program (ACRP) Report 7: Aircraft and Airport-Related Hazardous Air Pollutants: Research Needs and Analysis examines the state of the latest research on aviation-related hazardous air pollutants emissions and explores knowledge gaps that existing research has not ...

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NCHRP Report 615: Evaluation of the Use and Effectiveness of Wildlife Crossings

TRB's National Cooperative Highway Research Program (NCHRP) Report 615: Evaluation of the Use and Effectiveness of Wildlife Crossings explores development of an interactive, web-based decision guide protocol for the selection, configuration, and location of wildlife crossings. The decision tool as ...

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ACRP Report 6: Research Needs Associated with Particulate Emissions at Airports

TRB's Airport Cooperative Research Program (ACRP) Report 6: Research Needs Associated with Particulate Emissions at Airports examines the state of industry research on aviation-related particulate matter emissions and explores knowledge gaps that existing research has not yet bridged. ...

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NCHRP Synthesis 363: Control of Invasive Species

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 363: Control of Invasive Species explores the extent to which state departments of transportation are identifying actions that affect the spread of invasive species, preventing introduction, tracking status and locations of "invasives" ...

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