VDOT Bidirectional Traffic Volume 2022
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 1986 to 2022. 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), https://vdotp4p.com.
Data Updated: Feb 2024
ADT Quality Codes:
1 A Average of Complete Continuous Data
2 B Average of Selected Continuous Count Data
6 F Factored Short Term Traffic Count Data
7 G Factored Short Term Traffic Count Data with Growth Element
8 H Historical Estimate
13 M Manual Uncounted Estimate
14 N AADT of Similar Neighboring Traffic Link
15 O Provided By External Source
18 R Unfactored 24 Hour Traffic Count
20 T ITE Trip Generation Estimate
24 X Not Available
Class Quality Codes:
1 A Average of Complete Continuous Data
2 B Average of Selected Continuous Count Data
3 C Short Term Classified Traffic Count
4 D Corrected Short Term Classified Traffic Count
6 F Factored Short Term Traffic Count Data
7 G Corrected Factored Short Term Traffic Count Data
8 H Historical Estimate
13 M Mass Collective Average
14 N Classification of Similar Neighboring Traffic Link
24 X Not Available
Pop Up ConfigurationAverage Daily Traffic: {ADT}-----------------------------------------------------------
Route Name: {ROUTE_COMMON_NAME}
Route Type: {RTE_TYPE_CD}Begin Location: {START_LABEL}
End Location: {END_LABEL}
Average Annual Weekday Traffic: {AAWDT}
View in attribute table for more details...
Data and resources (6)
- HTML
ArcGIS Hub Dataset
Modified May 17, 2026Map preview available
- ArcGIS
ArcGIS GeoService
Modified May 17, 2026Map preview available
- CSV
CSV
Modified Oct 17, 2026Table and Data API available
- ZIP
Shapefile
Modified May 17, 2026Map preview available
- GeoJSON
GeoJSON
Modified May 17, 2026Map preview available
- KML
KML
Modified May 17, 2026Map preview available