Modeling Software for EHS Professionals

BREEZE ROADS is a complete air dispersion modeling suite that includes CALINE4, CAL3QHC, and CAL3QHCR models. These air dispersion models are used within the software program to predict air quality impacts of carbon monoxide (CO), nitrogen dioxide (NO2), particulate matter (PM), and other inert pollutant concentrations from moving and idling motor vehicles at or alongside roadways and roadway intersections. BREEZE ROADS is used in conjunction with emissions data from MOBILE or other emissions models to demonstrate compliance with National Ambient Air Quality Standards (NAAQS), Federal Conformity Rules, the UK’s National Air Quality Strategy, and modeling for highway site and design selection.

Key Features
  • Estimate total air pollution concentrations from both moving and idling vehicles
  • Estimate queue lengths at intersections and the contribution of emissions from idling vehicles
  • Incorporate saturation flow rate, signal type, and arrival type data for intersection assessments
  • Calculate pollutant concentrations on at-grade roadways, depressed roadways, raised roadways, bridges, intersections, street canyon and bluffs, and parking structures
  • Includes the CALINE4, CAL3QHC and CAL3QHCR line source dispersion models and a traffic algorithm for estimating vehicular queue lengths at signalized intersections
Product Tour

Most mobile source dispersion models predict air pollution concentrations near roadways resulting from motor vehicles traveling under free-flow conditions. BREEZE ROADS, however, is an enhanced version of the CALINE series of models that incorporates methods for estimating queue lengths, the contribution of emissions from idling vehicles, and the total air pollution concentrations from both moving and idling vehicles.

CALINE Series of Models
Most mobile source dispersion models predict air pollution concentrations near roadways resulting from motor vehicles traveling under free-flow conditions. BREEZE ROADS is an enhanced version ::  learn more...
Roadways
Using BREEZE ROADS, users can tailor their analyses for a wide variety of scenarios by picking and choosing from the many advanced features this product has to offer. BREEZE ROADS gives users the abil ::  learn more...
Meteorology
BREEZE ROADS calculates concentrations from historical hourly or user-specified meteorological data. The user-friendly interface makes entering or loading your meteorological data easier than ever. Al ::  learn more...
Sources and Receptors
Whether you’re entering links or receptors, you enter them only one time. BREEZE ROADS gives users the ability to enter data by copying and pasting from an external spreadsheet to the data table withi ::  learn more...
Priced at $1,295

Includes one year of maintenance with purchase.

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