1. GIS Crash Analysis for Beginners: Custom Applications to Assist Novice GIS Users in Crash Data Analysis

2. GIS Analysis Tools  Performs Standard Queries –Normalize Data –Reduce Errors  Allows Data Query To Follow On Spatial Selection/Associa tion  Provides Common Dbf IV Output Table

3. Standardize Queries  Normalize Data –Many Crash Data Questions Examine Multiple Fields –Allows User Without Relational Database Management Skills to Review Complex Data  Reduce Error –Canned Queries Assure Desired Result –Two Analysts Will Arrive At Same Conclusion  “Nest” Queries –Allows User to Sequence Multiple Queries for Complex Analysis 1.Pedestrian 2.+ Bicycle 3.Night 4.Fatal or Severe Injury

4. Select a Standard Query

5. Defines Query

6. Nest Query

7. Select “or” Query

8. Add Bicycle Crashes to Selection

9. Defines Query

10. Select “and” Query

11. Automatic Population of ‘Drop-Down’

12. Select Fatal Crashes From Selection

13. Convert Query Results to Map ‘Theme’

14. Review Summary Data for a Specific Event Retrieve Scanned Crash Report

16. Spatial Selection/Data Association  Select Crashes Manually Using Built-in Tool  Use ‘Overlay’ Capability to Select Crashes –Proximity to Schools –Specific Neighborhoods/Planning Areas  Correlate Spatial Attributes with Crash Data –Vehicle per Household vs. Bike/Ped Crashes –Roadway Classification

17. Common DBFVI File Format  Opens Easily in Excel or MS-Access  Macros or VBA Allow Quick Chart and Report Production –Frequency by Attribute Charts  Supply Data to Clients in Common Format

18. Compare Corridor to State/County

20. Compare Intersection to Corridor/State

21. Contact Info: Demian Miller Tindale Oliver & Assoc. Tampa, FL 813.224.8862 Dmiller@tindaleoliver.com