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Officer Description of Crash
DOT Entry of Crash DataConvert Location Information to Link / Node
Paper Node Maps
High Potential for Error
Cumbersome / Obsolete
How is a crash located?
Location
Vehicle
Driver / Injury Information
Location Component of Officer’s Report
Sample from Node Map
Sample Location Worksheet
Advantage SafetyLocation
Tool
Central Database
Courts Iowa DOT Other Agencies
What is being done to improve this process?
Objective
SoftwareESRI MapObjects
Microsoft Visual Basic
Arcview Shape Files
Iowa DOT Geomedia/Oracle
The Crash Location Tool
Easy to Use
Improve Accuracy and Efficiency of Current Scheme
Compatible with Advantage Safety
User Interface Buttons
Main Map Window
Coordinate Information
The Location Tool Window
Crash Locate Tool
Pan Map
Zoom In/Out
Previous View
View Entire Map
The User Interface Buttons
GPS Coordinate Finder Milepost Finder City Finder
Location Finding Tools
Milepost Marker
Nevada Corporate Limits
Fictitious Crash Location
Typical Methodology for Crash LocationStep 1 - Zoom In to Scene
Snap Location
Typical Methodology for Crash LocationStep 2 - Locate Specific Location
Regional Patrol Post Testing
Additional Enhancements
Adapt to Locate Other Incidents
Street / Intersection Finder
Stand-Alone Version
GIS Coverage Automation
Further GPS Integration
What is next for the Location Tool?
Recommended