Highway Resurfacing Materials Cost Estimate Tool Richard D. Bellows Spring 2005

Overview Project Overview Background: Current Method of Cost Estimating Advantages of GIS Limitations Visual Basic and ArcView 9 Example Future Development Conclusion Questions ?

Current Method of Cost Estimate of Materials Texas Department of Transportation Karnes City Area Office

Advantages of GIS The need to collect the geometry of the roadway sections is eliminated. Less labor intensive Ability to Customize to Fit Parameters Expanded for other Applications

Project Overview Road data with lengths Export I-37 Divide the line feature into 2 mile sections Buffer sections Calculate Areas Append

Road data with lengths

Export I-37

Limitations Initial undertaking Layers must be updated Current material costs

Visual Basic Editor

Create a button

Create a dialog box or form ToolBox Labels Text Boxes Combo Boxes Command buttons

Examples Cost Estimate HMA REF – Thickness = 5 in Cost Estimate Seal Coat REF – Grade 4 Rock Both Directions North and South of I -37 Live Oak County, Texas

Future Developments Include other features of highway resurfacing Striping Pavement Markers

Conclusions The use of GIS as a cost estimating tool for highway resurfacing is very effective. Easily adjusted to fit constraining parameters It can be expanded for other applications

Questions ?