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Traffic heat map of Missouri: roads over 1,000 vehicles a day shaded from blue (light) to red (heavy traffic), busiest on I 435 and Avenue of the Saints

Missouri Traffic Counts

Traffic analytics for Missouri, calculated from real-world mobile and sensor networks on 486,847 road segments (34,513 road miles, about 374 ft each). Its busiest road, I 435 in Jackson County, carries 121,634 vehicles a day, 21.6 times the average road. Use the figures below to move from assumptions to certainty on retail locations, logistics and road planning.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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total traffic icon

Total Traffic Volume & Performance in Missouri

Traffic

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

vehicles per day5,631
Trucks

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

9.8%
Average travel time

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

31.3 min
Congestion ratio

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

19.4%
Drivers’ average age

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

46.8 yrs
Drivers’ average income

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

$80,399

A typical monitored road in Missouri sees 5,631 vehicles per day, while its 34,513 miles of monitored roads together handle 173,439,128 vehicle-miles traveled per day (≈63.3 billion per year). Trucks are 9.8% of traffic, close to the 9.3% across the US.

Shorter trips than 96% of states nationwide

Missouri sees 19% lower average daily traffic volume than the national average (5,631 vehicles per day against 6,986), suggesting less demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries about 2.3% of the national total of vehicle-miles. Missouri carries less traffic than 62% of states nationwide.

At 31.3 minutes, the average travel time is 6% lower than the national level. On travel time, Missouri runs shorter than 96% of states nationwide.

At 19.4%, the congestion ratio matches the national level closely.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Missouri

Trafficvehicles per day14,992
Trucks13.4%
Average travel time36.9 min
Congestion ratio39.1%
Drivers’ average age47.1 yrs
Drivers’ average income$81,084

Travel in Missouri splits roughly evenly, with about half of it (55% of vehicle-miles) on highways. The average highway carries 14,992 vehicles per day, 193% more than the average non-highway road in the same area, which carries 5,115 vehicles per day.

Highways make up 21% of the monitored road miles (7,079 miles, 25,461 segments), so they carry more than their share: 94,612,106 vehicle-miles traveled per day (≈34.5 billion per year).

By highway travel volume, Missouri outranks 80% of states nationwide.

A typical mix of freight and passenger traffic

The concentration of trucks on highways (13.4%) is in line with the national average for similar road classifications. The highway traffic mix is typical for the US: neither freight- nor commuter-dominated.

Missouri's highway truck share (13.4%) is lower than 54% of states nationwide. Missouri's highway truck count is higher than 50% of states nationwide, at roughly 2,016 trucks per day.

non-highway traffic icon

Non-highway Traffic in Missouri

Trafficvehicles per day5,115
Trucks5.5%
Average travel time31.0 min
Congestion ratio18.7%
Drivers’ average age46.8 yrs
Drivers’ average income$79,806

Travel in Missouri splits roughly evenly, with about half of it (45% of vehicle-miles) on local roads. On the average non-highway road, that comes to 5,115 vehicles per day.

Local roads make up 79% of the monitored road miles (27,434 miles in 461,386 segments) but carry less than their share of travel: 78,827,029 vehicle-miles traveled per day (≈28.8 billion per year). Trucks make up 5.5% of non-highway traffic, about 1 in 18 vehicles.

Drivers from lower-income areas than 68% of states nationwide

Compared to highways, non-highway routes see 59% fewer trucks by share.

At 18.7%, the non-highway congestion ratio matches the national level closely.

Trip origins here have lower average income than 68% of states nationwide. The driver population here skews older than 68% of states nationwide.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and a long afternoon plateau from 3:00 PM to 7:00 PM, with volumes reaching approximately 68% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 21% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +4% versus the annual average.
Lowest month:
January is the quietest month, with volumes -12% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Missouri, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +4% in high season.

Missouri vs. United States Traffic Comparison

Missouri's biggest difference from the United States average is its average daily traffic per road, 19% below it.

MetricMissouriUnited States averageDifference
Traffic5,6316,986-19.4%
Truck % (Total Traffic)9.8%9.3%+5.0%
Truck % (Highway)13.4%13.1%+2.9%
Avg. Travel Time31.3 min33.3 min-6.0%

How Missouri compares

Missouri against nearby states

Nothing in this table sets Missouri sharply apart from the 4 states nearest to it, though it has the second busiest roads of the five. The same kind of road, simply more of it: traffic per road matches the states around it while the network itself is larger.

Missouri and the 4 nearest states by centroid distance, with the United States average for scale.
StateAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Missouri5,6319.8%173,439,12831.3 min19.4%
Arkansas4,93211.6%88,648,36231.6 min12.8%
Kansas4,24310.2%74,451,68831.8 min17.1%
Iowa3,04211.0%83,534,36633.0 min11.4%
Illinois8,48010.2%237,902,16234.1 min20.6%
United States average6,9869.3%N/A33.3 min18.9%

Busiest counties and cities in Missouri

Together, those three counties and cities carry 31.3% of all the vehicle-miles measured in the state.

Ranked by daily vehicle-miles, across the 115 counties and cities in Missouri with a published traffic page. Vehicle-miles is total travel, so this ranks by traffic MOVED rather than by how busy a typical road is.
County or cityDaily vehicle-milesAverage daily trafficTruck shareRoad miles
1. St. Louis County24,969,89712,3326.6%1,459
2. Jackson County17,616,0958,9377.2%1,446
3. St. Charles County11,743,70312,6536.2%831

Most truck-intensive counties and cities in Missouri

Together, those five counties and cities carry just 4.1% of the truck vehicle-miles driven in the state. Truck share says where trucks dominate the mix; it does not say where the freight is.

Ranked by truck share of all traffic, across the same 115 counties and cities, shown with the traffic volume that share is measured against.
County or cityTruck shareTruck share on highwaysAverage daily trafficDaily vehicle-miles
1. Atchison County22.8%27.5%2,138466,028
2. Pemiscot County22.3%29.1%1,739772,423
3. Holt County22.0%23.9%1,250701,161
4. Mississippi County21.3%30.9%2,400398,853
5. Saline County21.0%24.9%1,495847,513

Ranked by truck vehicle-miles instead of truck share, the list is different: St. Louis County, Jackson County, St. Charles County, Greene County and Clay County carry 28.6% of all truck travel in Missouri.

Busiest roads in Missouri

The three busiest roads in Missouri average 119,173 vehicles a day, 21.2 times the state average of 5,631 across all its monitored roads.

I 435 in Jackson County is the busiest road, at 121,634 vehicles a day, 11,331 of them trucks (9.3%). Avenue of the Saints in St. Louis County is practically level with it at 119,782. I 70 in St. Louis City carries the most trucks on the list, 12,128 a day (17.9% of its traffic), although it is not among the 10 busiest roads overall.

Avenue of the Saints in St. Louis County draws drivers from wealthier areas: their neighborhoods average $134,694 in household income, 68% above the state's $80,399.

Trucks make up 22.4% of traffic on I 44 in Franklin County and 18.6% on I 70 in Warren County, against 9.8% across all roads in the state.

I 70 in Warren County carries longer journeys than most roads here, with a median trip of 48.3 minutes against 31.3 state-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 435Jackson County · Motorway · 121,634vehicles11,331trucks · 9.3%
Road class
Motorway
Congestion ratio
45.5%
Median trip time
32.0 min
Drivers’ median age
46.1 yrs
Drivers’ average income
$99,364

At 21.6 times the state average, I 435 draws drivers from neighborhoods averaging $99,364 in household income.

2Avenue of the SaintsSt. Louis County · Motorway · 119,782vehicles9,342trucks · 7.8%
Road class
Motorway
Congestion ratio
69.8%
Median trip time
32.9 min
Drivers’ median age
47.6 yrs
Drivers’ average income
$134,694

A main artery: Avenue of the Saints's busiest stretch carries 21.3 times the state average; trucks are 7.8% of it, below the state-wide 9.8%.

3I 64St. Louis County · Motorway · 116,103vehicles9,158trucks · 7.9%
Road class
Motorway
Congestion ratio
71.1%
Median trip time
31.6 min
Drivers’ median age
46.1 yrs
Drivers’ average income
$116,178

I 64 is a trunk route for the state, carrying 20.6 times the state average on its busiest stretch; trucks are 7.9% of it, below the state-wide 9.8%.

4I 70St. Charles County · Motorway · 114,214vehicles11,875trucks · 10.4%
Road class
Motorway
Congestion ratio
68.7%
Median trip time
33.9 min
Drivers’ median age
46.2 yrs
Drivers’ average income
$95,773

I 70 carries 20.3 times the state average at its busiest, 11,875 of them trucks (10.4%, above the state-wide 9.8%).

5I 270St. Louis County · Motorway · 110,891vehicles9,632trucks · 8.7%
Road class
Motorway
Congestion ratio
55.2%
Median trip time
35.0 min
Drivers’ median age
47.6 yrs
Drivers’ average income
$96,729

I 270 carries 19.7 times the state average on its busiest stretch, where the median trip lasts 35.0 minutes.

6I 470Jackson County · Motorway · 108,833vehicles8,962trucks · 8.2%
Road class
Motorway
Congestion ratio
77.5%
Median trip time
33.1 min
Drivers’ median age
46.3 yrs
Drivers’ average income
$96,570

Delays build on I 470: its congestion ratio of 77% over free-flow time is well above the state's 19%.

7I 70St. Louis County · Motorway · 103,144vehicles11,916trucks · 11.6%
Road class
Motorway
Congestion ratio
58.4%
Median trip time
35.5 min
Drivers’ median age
45.5 yrs
Drivers’ average income
$79,338

At 18.3 times the state average, I 70 draws drivers from neighborhoods averaging $79,338 in household income.

8I 55St. Louis County · Motorway · 100,564vehicles8,907trucks · 8.9%
Road class
Motorway
Congestion ratio
49.0%
Median trip time
33.8 min
Drivers’ median age
47.3 yrs
Drivers’ average income
$86,620

A main artery: I 55's busiest stretch carries 17.9 times the state average; trucks are 8.9% of it, below the state-wide 9.8%.

9Bruce R. Watkins DriveJackson County · Trunk road · 98,866vehicles6,512trucks · 6.6%
Road class
Trunk road
Congestion ratio
93.3%
Median trip time
31.1 min
Drivers’ median age
44.2 yrs
Drivers’ average income
$76,414

Travel on Bruce R. Watkins Drive's busiest stretch runs 93% over free-flow time, against 19% across the state, so expect slower peak hours.

10US 71Jackson County · Motorway · 96,815vehicles10,562trucks · 10.9%
Road class
Motorway
Congestion ratio
62.2%
Median trip time
35.3 min
Drivers’ median age
45.6 yrs
Drivers’ average income
$83,367

US 71 is a trunk route for the state, carrying 17.2 times the state average on its busiest stretch; trucks are 10.9% of it, above the state-wide 9.8%.

Ranked by trucks per day

Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.

Cars and light vehiclesTrucks
1I 70St. Louis City · Motorway · 67,843vehicles12,128trucks · 17.9%
Road class
Motorway
Congestion ratio
51.4%
Median trip time
40.3 min
Drivers’ median age
45.0 yrs
Drivers’ average income
$64,451

Trucks make up 17.9% of I 70's traffic, against 9.8% across the state, so freight weighs heavily here.

2I 70St. Louis County · Motorway · #7 by traffic103,144vehicles11,916trucks · 11.6%
3I 70St. Charles County · Motorway · #4 by traffic114,214vehicles11,875trucks · 10.4%
4I 44Franklin County · Motorway · 51,170vehicles11,478trucks · 22.4%
Road class
Motorway
Median trip time
47.2 min
Drivers’ median age
48.5 yrs
Drivers’ average income
$81,020

I 44 carries through traffic: the median trip using it lasts 47.2 minutes, against 31.3 for the state.

5I 435Jackson County · Motorway · #1 by traffic121,634vehicles11,331trucks · 9.3%
6US 71Jackson County · Motorway · #10 by traffic96,815vehicles10,562trucks · 10.9%
7I 44St. Louis County · Motorway · 90,857vehicles9,749trucks · 10.7%
Road class
Motorway
Congestion ratio
47.9%
Median trip time
32.9 min
Drivers’ median age
47.1 yrs
Drivers’ average income
$102,588

I 44 carries 16.1 times the state average at its busiest, 9,749 of them trucks (10.7%, above the state-wide 9.8%).

8I 270St. Louis County · Motorway · #5 by traffic110,891vehicles9,632trucks · 8.7%
9I 70Warren County · Motorway · 51,459vehicles9,595trucks · 18.6%
Road class
Motorway
Median trip time
48.3 min
Drivers’ median age
46.7 yrs
Drivers’ average income
$82,646

I 70 carries 9.1 times the state average on its busiest stretch, where the median trip lasts 48.3 minutes.

10I 44St. Louis City · Motorway · 68,525vehicles9,548trucks · 13.9%
Road class
Motorway
Median trip time
39.2 min
Drivers’ median age
45.5 yrs
Drivers’ average income
$72,602

At 12.2 times the state average, I 44 draws drivers from neighborhoods averaging $72,602 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

MissouriDepartment 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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States near Missouri

The same traffic breakdown for the states closest to Missouri.

Need segment-level traffic data?

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

Counties and cities in Missouri

Traffic counts, truck share, congestion and driver demographics for each of the 115 counties and cities TrafficZoom measures in Missouri.