CALINE4: 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: 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 idling vehicles at signalized
intersections. |
CAL3QHCR: An enhanced
version of CAL3QHCR, this model can process up to
a year of hourly meteorological data and vehicular
emissions, traffic volume, and signalization (ETS)
data for each hour of a week |
CALRoads View
Features
Some of the features you will
find in CALRoads View include:

CALINE4, CAL3QHC, CAL3QHCR Comparison
Some of the
features that CALRoads View offers with respect to the 3
main mobile source dispersion models are:
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Feature |
CALINE4 |
CAL3QHC |
CAL3QHCR |
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Carbon Monoxide (CO) |

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Particulate Matter (PM) |

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Nitrogen Dioxide (NO2) |

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Other Inert Gases |

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Averaging Period |
1 hr / 8 hr |
30-60 min |
30-60 min |
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1 Hour of ETS* Data |

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1 Week of ETS* Data |
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Urban & Rural Modes |
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Meteorology |
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Analyzes Multiple Wind Directions |
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Analyzes Various Sets of Met Conditions |
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Ability to Specify Range of Dates |
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1 Year of ISCST3 Hourly Met Data |
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Roadway Types
(Links) |
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At Grade |

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Depressed |

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Fill |

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Bridge |

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Parking Lots |

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Intersections / Queue Links |

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Street Canyon and Bluff |

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Continuous and/or Single Links |

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Converts Groups to Single Links |

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Receptors |
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Unlimited Number of Receptors |

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Unlimited Number of Grids |

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Active/Inactive Receptors |

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Import/Export Receptors |

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Output
Results |
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Output in Meters or Feet |

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True Color Shaded Contouring |

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Worst Wind Direction Plots |

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* ETS - Emissions Traffic and
Signalization |

Contouring Capabilities
Advanced contouring tools are part
of the CALRoads View package. There is no need to
purchase an additional software package to produce
professional, customized contoured results of your
modeling. Below are just a a few of the features
you will find in the integrated contouring tools.
Complete Control Over Contours - Specify
contour levels, color shading, transparency, contour
labels, fonts, and more!
Ambient Concentration Ability - CALRoads View
can include ambient concentration with its model results
with a single click.
Wind Direction - Show wind direction at time
of maximum concentration as well as concentration
values.
Extensive Site Map Support - Import base maps
from a variety of file formats to aid in digitizing your
site or for final report visualization. Supported
formats include Shapefile, bitmap (BMP), AutoCAD DXF,
USGS Land Use/Land Cover (LULC), USGS Digital Line Graph
(DLG) and more!
Overlay Control - Your output should appear
the way you want it. With the ability to
simultaneously display site maps, contours, buildings,
receptor locations, sources and more, Overlay Control
allows you to display these layers in the order you
need. Just click and drag them to make your
visualization shine.
Annotation - Many annotation tools are present
to help you communicate your results even
better! Place descriptive text or labels, arrows,
and other markers anywhere you need.
Export Utility - In addition to contouring you
can further export your work as Metafiles, Bitmaps or
GIS Shapefiles.

Modeling requirements differ from project to project
and you shouldn't need to hand define
receptors. CALRoads View provides extensive
receptor input options.
The following are fully supported and can be defined
graphically as well as directly inputted for exact
precision:
Discrete Receptors
Receptor Grids
Additional options include:
Unlimited number of
receptors/grids
Data entry in graphical and
text modes
Import/Export capabilities
Active/Inactive receptors
Copy/Paste Tools

Extensive Site Map Support
Visualizing your site in CALRoads View is
easy. Our full-featured support for a variety of
image and map formats allow you to design your model
with confidence and view your results in context with
your site.
GIS - CALRoads View features integrated ESRI
GIS technology. ESRI is the world leader in GIS
technology. Easily work with Shapefiles (popular
ArcInfo & ArcView file format). Customize
colors and assign color patterns to different theme
elements.
Bitmap Support - Even though bitmaps do not
contain any spatial information, our bitmap import
utility allows you to quickly use any bitmap
image. Simply specify the coordinates of two known
locations on the bitmap and the software does the
rest. Make use of aerial photos or scanned images!
USGS DLG & LULC - Freely available on
the Internet, these popular digital formats provide you
with land use/land cover data (LULC) as well as roads,
hypsography, hydrography and more.
AutoCAD DXF - Many sites contain detailed maps
in AutoCAD format. Easily import these into CALRoads
View.
Layer Control - Your site maps are treated as
individual layers. This means you have control over how
you want them displayed in relation to other modeling
objects. Do you want it to appear under the
contours? Just click and drag!
Graphical Input
Modeling requirements differ from project to project.
CALRoads View provides extensive graphical input tools
making tasks fast and easy to accomplish. Standard input
is also available at anytime.
Easy Roadway Input (Links) - Click and
drag to specify your links on the drawing area. CALRoads
offers a variety of link types such as: at-grade,
depressed, fill, bridge, parking lot and intersections.
Links Types Available:
At-Grade
Depressed
Fill
Bridge
Parking Lots
(CALINE4)
Intersections/Queuing
Additional Options Include:
Data entry in
Graphical/Text modes
Active/Inactive Links
Copy/Paste Tools

Graphical
Output
Clear communication of your modeling and results are
crucial to a successful project. CALRoads View lets
you impress your clients with extensive graphical output
options.
Contour Visualization -Apply terrain contours
to your site view for professional maps. Specify contour
levels, color shading, transparency, contour labels,
fonts, and more! Includes options to export contour
data to other packages if desired.

Show Concentrations Tool - View concentration
values at each receptor with a single click! Make your
final report clear and concise by visualizing all your
data.

Wind Direction - Create easy-to-understand
projects that have arrows at each receptor displaying
the wind direction at the time of maximum
concentration. You can also control the size of
these arrows.

Ambient Concentration - Display the ambient
concentration of your contours at any time with a single
click of a button.

System Requirements:
- An IBM or compatible machine and a Pentium
processor or higher
- At least 50 MB of available hard disk space and 32
MB of memory (RAM)
- Windows 95/98/Me or Windows NT/2000/XP
- CD-ROM drive (for installation

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