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?