Search results for: Air Quality

Legislation, Regulation, Policy and Guidance

• EPA Clean Air Act
• Guidance on Qualitative Project Level “Hot Spot” Analysis in PM-10 Nonattainment and Maintenance Areas, September 2001
• Guidance document: Interim Guidance for Implementing the Transportation Conformity Provisions in the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU), U.S. Department of Transportation (U.S. DOT) and Environmental Protection Agency (EPA) (Feb. 14, 2006)
• Guidance memo: Interim Guidance for Implementing the Transportation Conformity Provisions in the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU), U.S. Department of Transportation (U.S. DOT) and Environmental Protection Agency (EPA) (Feb. 14, 2006).
• Overview of Federal Air Quality Legislation as Related to Federally-Assisted Highway and Transit Programs

Related Information

FHWA

• Air Quality information and resources
• Highway Community Exchange--Transportation Conformity
• Manual of Regional Transportation Modeling Practice for Air Quality Analysis (1993)
• Workshop on Transportation Air Quality Analysis--Includes modules on Travel Demand Forecasting Models, Emission Factor Models and Assessing TCM Effectiveness and Impacts on Emissions
• User Friendly Version of CAL3QHC Air Quality Model
• Transportation Conformity Highlights, a FHWA monthly update on transportation conformity issues
• Sensitivity Analysis of MOBILE6 Motor Vehicle Emission Factor Model
• Air Quality Brochure--Selected Facts and Figure
• Survey of Screening Procedures for Project-Level Conformity Analysis
• Air Quality Planning for Transportation Officials
• Transportation Conformity Reference Guide
• Implications of the Implementation of the MOBILE6 Emissions Factor Model on Project-Level Impact Analyses Using the CAL3QHC Dispersion Model
• Transportation Conformity in Complex Areas
• Transportation conformity information and resources
• Sampling of Emissions Analysis Techniques for Transportation Control Measures Final Report
• MOBILE6.2 Air Toxic Emission Factor Modeling Trend and Sensitivity Analysis ('Apr-04)

Other DOT

• Greenhouse Gas Reduction Through State and Local Transportation Planning, USDOT/Volpe Center (Sep-03)

Other Federal

• National Air Ambient Air Quality Standards for Conformity, EPA
• Non-Attainment Areas for Conformity, EPA
• MOBILE6 Vehicle Emission Modeling Software, EPA
• Transportation Conformity information, EPA
• 8-Hour Ground Level Ozone Designations, EPA
• Revised National Ambient Air Quality Standards for Ozone, EPA (March 12, 2008)

Non-Federal

• Quantifying Air Quality and Other Benefits and Costs of Transportation Control Measures, NCHRP Report 462
• Short-Term Monitoring for Compliance with Air Quality Standards, NCHRP Report 479
• Predicting Air Quality Effects of Traffic-Flow Improvements--Final Report and User’s Guide, NCHRP Report 535
• Conforming to the New Air Quality Standards--Tips for Transportation Agencies, TRB
• State and Territorial Air Pollution Program Administrators/ Association of Local Air Pollution Control Officials
• Mobile-Source Air Toxics: How Much Do You Need to Know?, 2005 Workshop, Committee on Transportation and Air Quality, TRB
• Ozone Transport Commission
• Best Management Practices--State Innovations to Reduce Vehicle Emissions