Welcome to MDT's Interactive Traffic web map!
If you are working on or contracted to do an MDT project, do not use traffic data from this map. Please continue sending your formal traffic data requests via
Please utilize this map if you are looking for Annual Average Daily Traffic (AADT).
The Traffic web map contains a basemap, a set of data layers, which include interactive pop-up windows with information about the data, and navigation tools to pan around and zoom in to the map.
For the best user experience with this online web map, please use Google Chrome. Firefox and IE can be used yet you may experience technical difficulties at times.
There are multiple layers of information being displayed on the map:
- County Daily Vehicle Miles Traveled (DVMT)
- Traffic Counts
- Traffic Segments
You must zoom in or “drill down” in the map to see detailed information for the Traffic Counts and Traffic Segments layers. Once zoomed in, the County DVMT layer will disappear and Traffic Counts and Traffic Segments data will appear.
Click on the features in the map to display details. The pop-up box displays data in multiple slides – scroll through the slides using the arrow at the top of the box.
If you would like to view more detailed traffic data, such as hourly volume, please visit our traffic count database system (TCDS).
Traffic Flow Map
This is a map showing rural traffic flow in Montana. Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) have been weighted based on established major traffic breaks. The map is intended to give users a general idea of the traffic flow in Montana.
Continuous Traffic Counter Map
The Continuous Traffic Counter map is an interactive map that displays only the continuous count station (CCS) sites. Click on any of the features in the map to show their details.
Disclaimer: This data set is provided "as-is" without warranty of any kind. The Montana Department of Transportation makes no representations or warranties whatsoever with respect to the accuracy or completeness of this data set and assumes no responsibility for the suitability of this data set for a particular purpose; and MDT will not be liable for any damages incurred as a result of errors in this data set.