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VDOT Bidirectional Traffic Volume - 2019

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 through 2019 Data Updated: Jun 2020  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.


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 Configuration
Average 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 (11)

Prototype by Datopian · not an official government website · data from data.virginia.gov