1. SmartMap Intelligent Crash Location Tool AASHTO GIS-T San Diego March 1999 Reg Souleyrette Dan Gieseman Center for Transportation Research and Education Iowa State University

2. PC-ALAS Crash Data Analysis in Iowa DOS-Based Software Link / Node System Location / Vehicle / People Crash Data Collected for All Roads

3. Officer Description of Crash DOT Entry of Crash Data Convert Location Information to Link / Node Paper Node Maps High Potential for Error Cumbersome / Obsolete Crash Data Collection In Iowa Paper Crash Report Location Described by Literal Description Complex Coding Scheme

4. Location Component of Officer’s Report

5. Sample from Node Map Sample Location Worksheet

6. GIS-ALAS Advantage Safety Electronic data collection forms Electronic submission Data validation Recent Developments Arcview 3.0 Link / Node converted to spatial location Functionality of PC-ALAS coupled with GIS

7. Advantage Safety Location Tool Central Database Courts Iowa DOT Other Agencies The Vision for Safety Data Collection

8. Project Methodology Refine Product Deploy Application Select Software to Fulfill Requirements Development of the Crash Location Tool Ascertain User Requirements Design Initial Interface / Functionality Obtain Feedback from Users

9. User Requirements Find Locations using GPS Find Locations using Street Name Find Locations by Milepost / Route Provide Feedback to Officer The Crash Location Tool Easy to Use Improve Accuracy and Efficiency of Current Scheme Compatible with Advantage Safety Free to Distribute / Open Source

10. Software Selected ESRI MapObjects Microsoft Visual Basic Arcview Shape Cartography Data from Oracle Distributed as a DLL

11. Initial Interface Design Answered many questions Established capabilities and limitations of software Provided a baseline

12. Refinement of the Location Tool Further Simplified GUI Enhanced underlying intelligence Provided additional tools Added additional map layers

13. User Interface Buttons Main Map Window Coordinate Information The Location Tool User Interface

14. Crash Locate Tool Pan Map Zoom In/Out Previous View View Entire Map The User Interface Buttons

15. Coordinate FinderMilepost FinderCounty Finder Location Finding Tools City FinderIntersection Finder

16. Milepost Marker Nevada Corporate Limits Fictitious Crash Location Typical Methodology for Crash Location Step 1 - Zoom In to Scene

17. Snap Location Typical Methodology for Crash Location Step 2 - Locate Specific Location

18. Regional Patrol Post Testing Additional Enhancements Adapt to Locate Other Incidents Stand-Alone Version GIS Coverage Automation Further GPS Integration Next steps for the Location Tool?