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Traffic heat map of Park County, Montana: 229 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 90 and Park Street

Park County, Montana Traffic Counts

Its highways rank among the top 3 counties in Montana for trucks per day. This page breaks down traffic in Park County, Montana across 229 miles of monitored roads split into 1,307 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Park County, Montana

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day2,858
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

15.1%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

36.6 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

10.1%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

46.4 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$76,651

Our data shows 2,858 vehicles per day on the average road in Park County, Montana, and 797,613 vehicle-miles traveled per day (≈291 million per year) across its 229 miles of monitored roads. At 15.1%, the truck share runs above the 11.7% across Montana: about 1 in 7 vehicles.

Busier roads than 78% of counties in Montana

At 2,858 vehicles per day, the average monitored road in Park carries 32% less traffic than the state average of 4,202, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Park accounts for about 2.8% of Montana's statewide total of vehicle-miles. Park carries more traffic than 78% of counties in Montana.

The average trip takes 36.6 minutes, on par with the state level. 67% of counties in Montana have a longer average travel time than Park's 36.6 minutes.

At 17% lower than the state level, the 10.1% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Park County, Montana

Trafficvehicles per day6,586
Trucks19.7%
Average travel time54.2 min
Congestion ratio16.7%
Drivers’ average age43.4 yrs
Drivers’ average income$79,863

Highways carry more than half of all travel in Park County, Montana (64% of vehicle-miles). The average highway carries 6,586 vehicles per day, 154% more than the average non-highway road in the same area, which carries 2,593 vehicles per day.

Highways make up 32% of the monitored road miles (73 miles, 87 segments), so they carry more than their share: 507,415 vehicle-miles traveled per day (≈185 million per year).

By highway travel volume, Park outranks 78% of counties in Montana.

More highway trucks than 98% of counties in Montana

The concentration of trucks on highways (19.7%) is 32% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.

76% of counties in Montana see a lower highway truck share than Park's 19.7%. By raw truck volume, Park carries more highway trucks than 98% of counties in Montana.

non-highway traffic icon

Non-highway Traffic in Park County, Montana

Trafficvehicles per day2,593
Trucks7.0%
Average travel time35.4 min
Congestion ratio9.7%
Drivers’ average age48.6 yrs
Drivers’ average income$74,163

A significant share of driving in Park County, Montana, 36% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 2,593 vehicles per day.

Local roads make up 68% of the monitored road miles (156 miles in 1,220 segments) but carry less than their share of travel: 290,198 vehicle-miles traveled per day (≈106 million per year). The truck share on non-highway roads is 7.0%.

Drivers from higher-income areas than 89% of counties in Montana

Compared to highways, non-highway routes see 64% fewer trucks by share.

Non-highway congestion (9.7%) runs 20% lower than the state average, pointing to smoother local traffic flow.

Trip origins here have higher average income than 89% of counties in Montana. 85% of counties in Montana have an older driver population than Park.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
A long morning plateau from 8:00 AM to 12:00 PM and PM peak 5:00 PM–6:00 PM, with volumes reaching approximately 84% higher than the daily average.
Weekend traffic:
Weekends are busier than weekdays: volumes run about 9% above weekday levels, which usually points to leisure, tourism or shopping traffic.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
July–September is the high season, with volumes +64% versus the annual average.
Lowest month:
January is the quietest month, with volumes -50% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Park County, Montana, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +64% in high season.

Park County vs. Montana Traffic Comparison

The average daily traffic per road sets Park County apart: 32% below the Montana average. Its highway truck share, by contrast, is 32% above.

MetricPark CountyMontana averageDifference
Traffic2,8584,202-32.0%
Truck % (Total Traffic)15.1%11.7%+29.6%
Truck % (Highway)19.7%15.0%+31.7%
Avg. Travel Time36.6 min36.2 min+1.3%

How Park County compares

Park County against nearby counties

Nothing in this table sets Park County sharply apart from the 4 areas nearest to it, though it has the second busiest roads of the five.

Park County and the 4 nearest county-level areas by centroid distance, with the Montana average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Park County2,85815.1%797,61336.6 min10.1%
Sweet Grass County, Montana1,67520.8%510,31543.6 min6.1%
Gallatin County, Montana5,0249.0%2,700,37129.2 min16.6%
Wheatland County, Montana1,40213.4%104,44845.8 min3.6%
Stillwater County, Montana1,67418.6%544,51435.5 min6.6%
Montana average4,20211.7%N/A36.2 min12.3%

Park County ranked within Montana

Park County sits in Montana's top three on highway truck volume.

Park County ranked among 56 county-level areas in Montana (1 = highest); measures without data in every county rank a smaller field, down to 47.
MeasurePark CountyMontana rank
Traffic volume (AADT)2,858#13 of 56
Highway vehicle-miles per day507,415#11 of 47
Truck share on highways19.7%#12 of 47
Highway trucks per day1,299#2 of 47
Average travel time36.6 min#38 of 56
Average driver income$76,651#7 of 56
Average driver age46.4 yrs#48 of 56

The two ends of this table sit far apart: #2 of 47 on highway truck volume, against #48 of 56 on average driver age.

Busiest roads in Park County, Montana

Traffic concentrates on a few corridors: the three busiest roads average 11,144 vehicles a day, against 2,858 on the average road in Park County.

I 90 is the busiest road, at 16,088 vehicles a day, 2,754 of them trucks (17.1%). It also carries the most trucks.

Drivers on Scott Street are noticeably older, with a median age of 56.3 against 46.4 across the county.

Park Street is busy with cars rather than freight: only 4.6% of its traffic is trucks, against 15.1% county-wide.

Scott Street draws drivers from lower-income areas: their neighborhoods average $54,091 in household income, 29% below the county's $76,651.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 90Motorway · 16,088vehicles2,754trucks · 17.1%
Road class
Motorway
Congestion ratio
17.9%
Median trip time
45.9 min
Drivers’ median age
42.2 yrs
Drivers’ average income
$83,022

Travel on I 90's busiest stretch runs 18% over free-flow time, against 10% across the county, so expect slower peak hours.

2Park StreetPrimary road · 11,802vehicles541trucks · 4.6%
Road class
Primary road
Congestion ratio
38.1%
Median trip time
36.9 min
Drivers’ median age
48.8 yrs
Drivers’ average income
$75,644

Park Street is one of the more congested roads here: trips take 38% longer than at free-flow speed, against 10% county-wide.

3I 90 BusinessPrimary road · 5,544vehicles369trucks · 6.7%
Road class
Primary road
Congestion ratio
14.6%
Median trip time
37.7 min
Drivers’ median age
48.9 yrs
Drivers’ average income
$74,464

I 90 Business carries 94% more than the county average at its busiest, 369 of them trucks (6.7%, below the county-wide 15.1%).

4Scott StreetPrimary road · 4,652vehicles380trucks · 8.2%
Road class
Primary road
Congestion ratio
14.5%
Median trip time
25.1 min
Drivers’ median age
56.3 yrs
Drivers’ average income
$54,091

Trips on Scott Street are short, a median 25.1 minutes against 36.6 county-wide, so it mostly serves local errands and commutes.

5Bennett StreetTertiary road · 3,198vehicles164trucks · 5.1%
Road class
Tertiary road
Congestion ratio
6.8%
Median trip time
36.5 min
Drivers’ median age
47.6 yrs
Drivers’ average income
$76,844

Bennett Street carries 12% more than the county average on its busiest stretch, where the median trip lasts 36.5 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 90Motorway · #1 by traffic16,088vehicles2,754trucks · 17.1%
2Park StreetPrimary road · #2 by traffic11,802vehicles541trucks · 4.6%
3Scott StreetPrimary road · #4 by traffic4,652vehicles380trucks · 8.2%
4I 90 BusinessPrimary road · #3 by traffic5,544vehicles369trucks · 6.7%
5US 89Primary road · 3,070vehicles232trucks · 7.5%
Road class
Primary road
Congestion ratio
8.2%
Median trip time
32.0 min
Drivers’ median age
48.4 yrs
Drivers’ average income
$71,492

At 7% more than the county average, US 89 draws drivers from neighborhoods averaging $71,492 in household income.

How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

Data Sources & Methodology

The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

ParkDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near Park County

The same traffic breakdown for the areas closest to Park County, Montana.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.