Highway Resurfacing Materials Cost Estimate Tool

Richard D. BellowsSpring 2005

L e ng th o f S e ctionD M I

W id th o f S ec tionT a pe

orM e asu rin g W he e l

In p u t G e o m e tryin to a D a tab a se

C o s t E stim a tes

D e te rm ine th e S ec tio ns o f R o ad w ay

Current Method of Cost Estimate of MaterialsTexas Department of Transportation

Karnes City Area Office

Advantages of GISThe need to collect the geometry of the roadway sections is eliminated.Less labor intensiveAbility to Customize to Fit ParametersExpanded for other Applications

Project Overview

Road data with lengthsExport I-37Divide the line feature into 2 mile sectionsBuffer sectionsCalculate AreasAppend

LimitationsInitial undertaking Layers must be updated Current material costs

Visual Basic Editor

Create a button

Create a dialog box or formToolBox

LabelsText BoxesCombo BoxesCommand buttons

Examples

Cost Estimate HMAREF 56.920 – 70.933Thickness = 5 in

Cost Estimate Seal CoatREF 56.920 – 70.933Grade 4 Rock

Both Directions North and South of I -37 Live Oak County, Texas

Future DevelopmentsInclude other features of highway resurfacing

Striping

Pavement Markers

ConclusionsThe 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 ?