VDOT Bidirectional Traffic Volume 2020
Datathon 2025
Updated Oct 17, 2026
About this dataset
This layer consists of Average Daily Traffic (ADT) volumes with Vehicle Classification Data for most recent years, on Interstate, Arterial and Primary Routes. It also includes a list of each Interstate and Primary highway segment with the estimated Annual Average Week Day Traffic (AAWDT) for that segment. It includes data from 1985 to 2020. <b><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>Please note that traffic volume data here are bidirectional volume. The latest directional and bidirectional traffic volume data are also available in TMPD’s Pathways for Planning (P4P), </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><a href='https://vdotp4p.com./' style='color:rgb(0, 97, 155); text-decoration-line:none;' target='_blank' rel='nofollow ugc noopener noreferrer'>https://vdotp4p.com.</a></span></b><div><b>Data Updated: Nov 2021 </b></div><div><br /></div><div>ADT Quality Codes: </div><div> 1 A Average of Complete Continuous Data </div><div> 2 B Average of Selected Continuous Count Data </div><div> 6 F Factored Short Term Traffic Count Data </div><div> 7 G Factored Short Term Traffic Count Data with Growth Element </div><div> 8 H Historical Estimate </div><div> 13 M Manual Uncounted Estimate</div><div> 14 N AADT of Similar Neighboring Traffic Link </div><div> 15 O Provided By External Source </div><div> 18 R Unfactored 24 Hour Traffic Count </div><div> 20 T ITE Trip Generation Estimate </div><div> 24 X Not Available </div><div><br /></div><div> Class Quality Codes: </div><div> 1 A Average of Complete Continuous Data </div><div> 2 B Average of Selected Continuous Count Data </div><div> 3 C Short Term Classified Traffic Count </div><div> 4 D Corrected Short Term Classified Traffic Count </div><div> 6 F Factored Short Term Traffic Count Data </div><div> 7 G Corrected Factored Short Term Traffic Count Data </div><div> 8 H Historical Estimate </div><div> 13 M Mass Collective Average </div><div> 14 N Classification of Similar Neighboring Traffic Link
24 X Not Available </div><div><br /></div><div>Pop Up Configuration Average Daily Traffic: {ADT }</div><div>----------------------------------------------------------- </div><div>Route Name: {ROUTE_COMMON_NAME} </div><div>Route Type: {RTE_TYPE_CD} </div><div>Begin Location: {START_LABEL} </div><div>End Location: {END_LABEL} </div><div>Average Annual Weekday Traffic: {AAWDT} </div><div>View in attribute table for more details...</div>
Data and resources (6)
- HTML
ArcGIS Hub Dataset
Modified May 17, 2026
- ArcGIS
ArcGIS GeoService
Modified May 17, 2026Map preview available
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CSV
Modified Oct 17, 2026Table and Data API available
- ZIP
Shapefile
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GeoJSON
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- KML
KML
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