As the U.S. Environmental Protection Agency (EPA)’s preferred air dispersion model for refined transportation project analyses, AERMOD is used to model roadway “link” source using AREA, VOLUME, LINE, RLINE, or…
Emission factors versus speed curves generated using the MOVES3 model exhibit very anomalous behavior at higher road grades that are within the range encountered in project-level air quality analyses for…
Regulatory requirements for conducting quantitative project-level analyses for particulate matter (PM) were introduced by EPA with the release of the MOVES model in 2010. This proposed study would prepare a…
The recently completed NCHRP study (20-05 Topic 51-18 Practices for Project-Level Analyses for Air Quality) included a recommendation for the development of a template guidance document for the preparation of…
This research will identify promising analytical techniques that enable four-step planning models, used to produce region-wide estimates of vehicle activity data, to interface with modal emission rate models. The research…
Many users of EPA’s MOBILE model are developing regional or local fleet characterization data to more accurately predict mobile source emissions. Vehicle identification number (VIN) decoder software is often used…
TERI Administrator Note (June 2007): Research Need Met FHWA, Assessing the Effects of Freight Movement on Air Quality at the National and Regional Level, Final Report, April 2007 http://www.oregon.gov/ODOT/TD/FREIGHT/docs/publications/federal/FHWAFrtAirQualRep1.pdf Given…
TERI Database Administrator Notes: Not recommended at present time by 2009 Air Quality Subcommittee. PART5 calculates exhaust emission factors for primary emitted particulates, brake and tire wear emissions, and re-entrained…
State and local transportation and air quality agencies have limited knowledge of the full range of options to reduce PM2.5 from transportation sources. PM10 nonattainment areas around the country have…
TERI Administrator Note (January 2009): Project funded as NCHRP 25-25-59 in 2009 The effect of control strategies on both PM and ozone is important because many areas of the country…