New, Starting June 1, 2008

Internet Collision Diagrams And Crash Locations

A. Internet Collision Diagrams And Crash Locations Web Hosting Service (Item# E-01)
- We plot the collision diagrams for the top 10 locations for you.
- We plot the top 10 crash locations, with 3 dimensional stacked symbols, for you.
- The plots will be displayed in Google Earth®, with satellite image.
- The plots will be based on your jurisdiction's yearly data.
- Our web site or your web site may host the plots.
- The plots will be similar to the screen shots below.
- Click here for more details.

B. Internet Collision Diagrams And Crash Locations Plotting Service (Item# E-02)
- We plot collision diagrams for 1 to 100 locations for you.
- We plot 1 to 100 crash locations, with 3 dimensional stacked symbols, for you.
- The plots will be displayed in Google Earth®, with satellite image.
- The plots will be based on your data.
- The plots will be similar to the screen shots below.
- Click here for more details.

Screen Shots:
Figure 1: Internet Collision Diagram This figure shows how a typical collision diagram looks like in Google Earth®, with satellite image in the background.
Figure 2: Internet Crash Locations With Stacked Symbols This shows how a typical top 10 crash locations looks like on Google Earth®, at eye altitude of about 12 kilometers. Each location is plotted with a stack of symbols. The number of symbols within a stack corresponds to the number of crashes at that location. Hence a higher stack of symbols means a higher number of crashes at that location. The symbols within a stack have different letters and colors, representing different collision types. For example, a yellow "R" symbol represents rear end collision; a green "S" symbol represents sideswipe collision; and so on. By looking at the heights and colors of the symbols, you have an overview of the magnitudes and patterns of the crash locations.
Figure 3: Internet Collision Diagrams and Crash Locations With Stacked Symbols This figure displays the collision diagrams (from Figure 1) and the crash locations ( from Figure 2) together on the same Google Earth®. If you put both Figures 1 and 2 on the same Google Earth, it will look like Figure 2 at eye altitude of 12 kilometer. It will look like Figure 3 at eye altitude of 600 meters. It will look like Figure 4 at eye altitude of 90 meters. You may check/uncheck in Google Earth®'s Place panel to display collision diagrams only, crash locations only, or both at any time.
Figure 4: Internet Collision Diagrams and Crash Locations With Stacked Symbols This figure displays the collision diagrams (from Figure 1) and the crash locations ( from Figure 2) together on the same Google Earth®. If you put both Figures 1 and 2 on the same Google Earth, it will look like Figure 2 at eye altitude of 12 kilometer. It will look like Figure 3 at eye altitude of 600 meters. It will look like Figure 4 at eye altitude of 90 meters. You may check/uncheck in Google Earth®'s Place panel to display collision diagrams only, crash locations only, or both at any time.
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