CALRoads View is an air dispersion modeling package for predicting air quality impacts of pollutants near roadways. CALRoads View combines the following mobile source air dispersion models into one seamless integrated graphical interface: CALINE4, CAL3QHC, and CAL3QHCR.
These US EPA models are used for predicting air pollution concentrations of carbon monoxide (CO), nitrogen dioxide (NO2), particulate matter (PM), and other inert gases from idle or moving motor vehicles.
- CALINE4: The CALINE 4 model predicts air concentrations of carbon monoxide (CO), nitrogen dioxide (NO2), and suspended particles near roadways. Options are available for modeling near intersections, parking lots, elevated or depressed freeways, and canyons.
- CAL3QHC: The CAL3QHC model estimates total air pollutant concentrations (CO or PM) near highways from both moving and idling vehicles. This model also estimates the length of queues formed by idling vehicles at signalized intersections.
- CAL3QHCR: The CAL3QHCR model is an enhanced version of CAL3QHC, that can process up to a year of hourly meteorological data. Vehicular emissions, traffic volume, and signalization (ETS) data can be specified for each hour of a week.
Integrated Graphical User Interface
Fully integrated interface combining easy to use graphical tools (e.g., roadway links, and receptors), seamless model run, and automated contouring and posting of results.
Support for Three Traffic Models
CALRoads View supports three US EPA traffic models in one seamless interface:, CALINE4, CAL3QHC, and CAL3QHCR. Change models in your project with the click of a button.
Graphical User Interface
Traffic Models
Contouring Options
A wide range of contouring options and controls are available, making it easy to present your results just the way you want them.
Unlimited Receptors
CALRoads View allows you to run a project with an unlimited number of receptors, avoiding the restrictions imposed by the models. You can specify a Cartesian receptor grid, discrete receptors, and receptors along the roadways.
Contouring Options
Unlimited Receptors
Several Link Types
CALRoads View offers the ability to model free-flow traffic, intersections, parking lots, street canyons, traffic patterns and different receptor configurations.
Meteorological Scenarios
- CALINE4: You specify the worst-case met conditions.
- CAL3QHC: You can specify one or more sets of meteorological conditions to be analyzed.
- CAL3QHCR: You can specify up to a full year of hourly met data.
Several Link Types
Meteorological Scenarios
Met Data Pre-Processor for CAL3QHCR
Rammet View, which is part of the CALRoads View package, allows you to pre-process meteorological data to be used with the CAL3QHCR model.
Met Data Visualization Tool - Windrose
WRPLOT View, which is part of the CALRoads View package, allows you to create windrose plots for your meteorological data. Options to manipulate the appearance of the windrose are available such as colors, petal size, grid sectors, etc.
Met Data
Met Data
SYSTEM REQUIREMENTS
This product is a Microsoft Windows-based program that can be installed in the following Windows operating systems:
- 32-Bit and 64-Bit Operating Systems
- Microsoft Windows 7 (Home Premium, Professional and Ultimate Versions)
- Microsoft Windows Vista (Business and Ultimate Versions)
- Microsoft Windows XP Professional (Service Pack 2 or higher)
- Microsoft Windows 2000 (Service Pack 4)
Minimum requirements:
- An Intel Pentium 4 processor (or equivalent) or higher
- At least 2 GB of available hard disk space
- 1 GB of RAM (2 GB recommended)
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