Technical Specs
Traffic Air Dispersion Model
CALRoads View
SYSTEM REQUIREMENTS
This product is a Microsoft Windows-based program that can be installed in the following Windows operating systems:
Minimum requirements:
TECHNICAL SPECIFICATIONS
Developed by the California Department of Transportation and the U.S. Environmental Protection Agency, the CALINE series of models are steady-state Gaussian plume models specifically designed to calculate air quality impacts from vehicle emissions.
| Feature | CALINE4 | CAL3QHC | CAL3QHCR |
|---|---|---|---|
| Models CO, PM, Inert Gases | X | X | X |
| Models NO2 | As Inert Gas | X | As Inert Gas |
| Unlimited Receptors | X | X | |
| 4 Roadway Types (At-Grade, Depressed, Fill, Bridge) | X | X | X |
| Intersections & Queuing Links | X | X | X |
| Street Canyons & Bluffs | X | ||
| Parking Lots | X | ||
| Surface Roughness Considerations | X | X | X |
| Process Multiple Meteorological Conditions | X | X | |
| Process Up to 1 Year of Actual Meteorological Data | X | ||
| Urban or Rural Dispersion Modes | X | ||
| Multi-Tier Hourly-Varying Emissions | X |
