Montana's Busiest Road Segments

Table

Annual Vehicle Miles of Travel (VMT)

Historical Annual VMT Report by highway system1966 to current
Daily VMT Summary by System Reportmost current
Daily VMT Summary by Route Reportmost current
VMT Traffic Statisticsmost current

Montana's Estimated Monthly Vehicle Miles of Travel (MVMT)

This report shows Montana's urban, rural and statewide estimated monthly vehicle miles of travel. Montana's estimated MVMT is generated by FHWA using traffic and roadway data from the Highway Performance Monitoring System (HPMS) and monthly traffic data supplied by TDCA. The monthly traffic data is collected from the continuous count station (CCS) sites located on public roadways across the state.

Table | Graph

Nationwide Estimated Monthly Vehicle Miles of Travel (MVMT)

Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 4,000 CCS locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjusted annually to match the vehicle miles of travel from the Highway Performance Monitoring System and are continually updated with additional data.

Annual Traffic By Sections (TBS) Reports

Traffic By Sections – On System routes only - The Traffic By Sections (TBS) report displays three years of traffic data using MDT's Departmental Route naming protocol (I-90, N-1, P-9, etc.). Referencing and description information, the Annual Average Daily Traffic (AADT) and the Daily Vehicle Miles of Travel (DVMT) for all vehicles (Types 1-13) is reported for each roadway segment. Commercial truck information is provided where available.

Traffic By Sections Report
Traffic By Counties Report
Traffic By Urban Area Report
Traffic By Cities Report

Historical TBS reports

2017, 2018, 2019

Requests for additional historical TBS reports can be made by email.

Annual Continuous Traffic Counter Reports

The annual Continuous Traffic Counter report provides summary traffic data collected from MDT's continuous count stations (ATR and WIM sites). The report includes average weekday traffic and average day of week traffic by month, 10th, 20th and 30th (DHV), 50th and 100th highest hours and, where available, vehicle mix percentages (passenger vehicle and small and large truck). The report contains the historical traffic data available for each permanent count site.

2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011

ATR and WIM location map (.pdf)

List sorted by:

ATR/WIM Site ID | Departmental Route

Monthly ATR and WIM Reports

The Monthly Comparison reports provide the change in traffic volumes, as compared to the same month last year (i.e. January 2016 as compared to January 2015), at each of MDT's continuous count stations.

Vehicle Classification Schematics:

All Vehicles (Types 1-13)
Commercial (trucks) Vehicles (Types 5 - 13)
Combination Unit Trucks (Types 8-13)

The Monthly Calendar provides traffic volumes by day, by direction and by roadway from MDT's continuous count stations.

These reports provide a general overview of the monthly traffic trends at each of Montana's continuous count stations, but the trends are not necessarily representative of the statewide trend.

Commercial
Vehicles
Combination
Unit
All Vehicles Monthly Calendars
Jan 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
Feb 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
Mar 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
Apr 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
May 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
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Jul 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
Aug 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
Sep 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
Oct 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
Nov 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023
Dec 2022 | 2023 2022 | 2023 2022 | 2023 2022 | 2023

If you need assistance or have additional traffic requests please send an email or call 406-444-9248.