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Traffic heat map of Iron County, Michigan: 118 miles of roads shaded from blue (light) to red (heavy traffic), busiest on US 2 and Crystal Avenue

Iron County, Michigan Traffic Counts

How busy are the roads of Iron County, Michigan? We measure 118 road miles, divided into 1,039 segments, with multi-sourced, cross-verified mobile and sensor data. The average road here carries 2,292 vehicles a day, 70% less than the Michigan average of 7,697. The breakdown below covers volume, trucks, congestion and driver profiles for retailers, logistics planners and engineers.
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 Iron County, Michigan

Traffic

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

vehicles per day2,292
Trucks

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

11.2%
Average travel time

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

34.5 min
Congestion ratio

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

7.9%
Drivers’ average age

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

58.2 yrs
Drivers’ average income

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

$51,568

The average monitored road in Iron County, Michigan carries 2,292 vehicles per day. Across its 118 miles of monitored roads, that adds up to 189,450 vehicle-miles traveled per day (≈69.1 million per year). At 11.2%, the truck share runs above the 7.7% across Michigan: about 1 in 9 vehicles.

Quieter roads than 88% of counties in Michigan

Iron's average daily traffic volume is 70% lower than the state average - 2,292 vehicles per day against 7,697 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is less than 0.1% of Michigan's statewide total. By volume, Iron's 2,292 vehicles per day trails 88% of counties in Michigan.

The average trip takes 34.5 minutes, on par with the state level. On travel time, Iron runs longer than 67% of counties in Michigan.

At 57% lower than the state level, the 7.9% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Iron County, Michigan

Trafficvehicles per day2,974
Trucks12.0%
Average travel time35.3 min
Congestion ratio8.4%
Drivers’ average age58.4 yrs
Drivers’ average income$51,248

Highways carry most of the traffic in Iron County, Michigan: 77% of all vehicle-miles. The average highway carries 2,974 vehicles per day, 106% more than the average non-highway road in the same area, which carries 1,443 vehicles per day.

Highways make up 60% of the monitored road miles (70 miles, 576 segments), so they carry more than their share: 145,395 vehicle-miles traveled per day (≈53.1 million per year).

Fewer highway trucks than 93% of counties in Michigan

At 12.0%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for Michigan: neither freight- nor commuter-dominated.

By truck concentration, highways here outrank 68% of counties in Michigan. Iron's highway truck count is lower than 93% of counties in Michigan, at roughly 356 trucks per day.

non-highway traffic icon

Non-highway Traffic in Iron County, Michigan

Trafficvehicles per day1,443
Trucks8.6%
Average travel time33.4 min
Congestion ratio7.4%
Drivers’ average age57.6 yrs
Drivers’ average income$52,297

At 23% of vehicle-miles, local roads carry a smaller share of the traffic in Iron County, Michigan than highways. A typical local road sees 1,443 vehicles per day.

Spread over 47 miles and 463 segments, 40% of the road network, local roads carry a lighter load per mile: 44,055 vehicle-miles traveled per day (≈16.1 million per year). The truck share on non-highway roads is 8.6%.

Drivers from lower-income areas than 93% of counties in Michigan

The concentration of trucks on non-highway roads is 28% lower than on highways.

The non-highway congestion ratio of 7.4% is 60% lower than the state level, suggesting more efficient local mobility than the state average.

Iron's average driver income is lower than 93% of counties in Michigan. The driver population here skews older than 93% of counties in Michigan.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 9:00 AM–12:00 PM and PM peak 3:00 PM–5:00 PM, with volumes reaching approximately 86% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 16% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
July–September is the high season, with volumes +37% versus the annual average.
Lowest month:
January is the quietest month, with volumes -31% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Iron County, Michigan, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +37% in high season.

Iron County vs. Michigan Traffic Comparison

Of the four measures, average daily traffic per road differs most: Iron County runs 70% below the Michigan average. Its truck share, by contrast, is 46% above.

MetricIron CountyMichigan averageDifference
Traffic2,2927,697-70.2%
Truck % (Total Traffic)11.2%7.7%+45.6%
Truck % (Highway)12.0%12.0%+0.2%
Avg. Travel Time34.5 min33.6 min+2.7%

How Iron County compares

Iron County against nearby counties

Nothing in this table sets Iron County sharply apart from the 4 areas nearest to it, though it has the third busiest roads of the five. The same kind of road, just less of it: traffic per road matches the areas around it while the network itself is smaller.

Iron County and the 4 nearest county-level areas by centroid distance, with the Michigan average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Iron County2,29211.2%189,45034.5 min7.9%
Florence County, Wisconsin1,5449.9%138,04229.1 min4.5%
Forest County, Wisconsin1,4649.8%216,66335.2 min5.3%
Dickinson County, Michigan3,8007.6%475,20834.6 min9.2%
Baraga County, Michigan2,90011.8%268,80937.6 min10.0%
Michigan average7,6977.7%N/A33.6 min18.5%

Iron County ranked within Michigan

Iron County sits in the bottom quarter of the Michigan field on highway truck volume, at #69 of 74.

Iron County ranked among 83 county-level areas in Michigan (1 = highest); measures without data in every county rank a smaller field, down to 74.
MeasureIron CountyMichigan rank
Traffic volume (AADT)2,292#73 of 83
Highway vehicle-miles per day145,395#66 of 74
Truck share on highways12.0%#24 of 74
Highway trucks per day356#69 of 74
Average travel time34.5 min#28 of 83
Average driver income$51,568#77 of 83
Average driver age58.2 yrs#7 of 83

Iron County ranks #7 of 83 on average driver age but #77 of 83 on average driver income. The driver population here skews older and lower-income than most of Michigan.

Busiest roads in Iron County, Michigan

Traffic concentrates on a few corridors: the three busiest roads average 6,136 vehicles a day, against 2,292 on the average road in Iron County.

US 2 leads with 6,803 vehicles a day, 714 of them trucks (10.5%). It tops the truck ranking too, with the most trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1US 2Trunk road · 6,803vehicles714trucks · 10.5%
Road class
Trunk road
Congestion ratio
15.9%
Median trip time
39.1 min
Drivers’ median age
59.1 yrs
Drivers’ average income
$56,559

US 2 is one of the more congested roads here: trips take 16% longer than at free-flow speed, against 8% county-wide.

2Crystal AvenueTrunk road · 6,214vehicles690trucks · 11.1%
Road class
Trunk road
Congestion ratio
14.7%
Median trip time
38.2 min
Drivers’ median age
59.0 yrs
Drivers’ average income
$57,430

Crystal Avenue peaks at 6,214 vehicles a day, 2.7 times the county average; trucks are 11.1% of it, in line with the county-wide 11.2%.

3Adams StreetTrunk road · 5,392vehicles456trucks · 8.4%
Road class
Trunk road
Congestion ratio
15.8%
Median trip time
31.2 min
Drivers’ median age
58.4 yrs
Drivers’ average income
$46,095

Delays build on Adams Street: its congestion ratio of 16% over free-flow time is well above the county's 8%.

44th AvenueSecondary road · 4,441vehicles235trucks · 5.3%
Road class
Secondary road
Congestion ratio
10.7%
Median trip time
39.1 min
Drivers’ median age
56.8 yrs
Drivers’ average income
$46,715

4th Avenue is busy by local standards, at 94% more than the county average on its busiest stretch; trucks are 5.3% of it, below the county-wide 11.2%.

5Lake Emily RoadTrunk road · 3,943vehicles440trucks · 11.2%
Road class
Trunk road
Congestion ratio
9.1%
Median trip time
34.4 min
Drivers’ median age
57.9 yrs
Drivers’ average income
$49,716

Lake Emily Road peaks at 3,943 vehicles a day, 72% more than the county average; trucks are 11.2% of it, in line with the county-wide 11.2%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1US 2Trunk road · #1 by traffic6,803vehicles714trucks · 10.5%
2Crystal AvenueTrunk road · #2 by traffic6,214vehicles690trucks · 11.1%
3Adams StreetTrunk road · #3 by traffic5,392vehicles456trucks · 8.4%
4Lake Emily RoadTrunk road · #5 by traffic3,943vehicles440trucks · 11.2%
55th StreetTrunk road · 3,164vehicles367trucks · 11.6%
Road class
Trunk road
Congestion ratio
7.7%
Median trip time
44.8 min
Drivers’ median age
59.1 yrs
Drivers’ average income
$58,268

5th Street carries 38% more than the county average at its busiest, 367 of them trucks (11.6%, in line with the county-wide 11.2%).

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

IronDepartment 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 Iron County

The same traffic breakdown for the areas closest to Iron County, Michigan.

Need segment-level traffic data?

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