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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day5,631 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 9.8% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 31.3 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 19.4% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 46.8 yrs |
Drivers’ average incomeAverage 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.
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.
| Traffic | vehicles per day14,992 |
|---|---|
| Trucks | 13.4% |
| Average travel time | 36.9 min |
| Congestion ratio | 39.1% |
| Drivers’ average age | 47.1 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.
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.
| Traffic | vehicles per day5,115 |
|---|---|
| Trucks | 5.5% |
| Average travel time | 31.0 min |
| Congestion ratio | 18.7% |
| Drivers’ average age | 46.8 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.
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.
Missouri's biggest difference from the United States average is its average daily traffic per road, 19% below it.
| Metric | Missouri | United States average | Difference |
|---|---|---|---|
| Traffic | 5,631 | 6,986 | -19.4% |
| Truck % (Total Traffic) | 9.8% | 9.3% | +5.0% |
| Truck % (Highway) | 13.4% | 13.1% | +2.9% |
| Avg. Travel Time | 31.3 min | 33.3 min | -6.0% |
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.
| State | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Missouri | 5,631 | 9.8% | 173,439,128 | 31.3 min | 19.4% |
| Arkansas | 4,932 | 11.6% | 88,648,362 | 31.6 min | 12.8% |
| Kansas | 4,243 | 10.2% | 74,451,688 | 31.8 min | 17.1% |
| Iowa | 3,042 | 11.0% | 83,534,366 | 33.0 min | 11.4% |
| Illinois | 8,480 | 10.2% | 237,902,162 | 34.1 min | 20.6% |
| United States average | 6,986 | 9.3% | N/A | 33.3 min | 18.9% |
Together, those three counties and cities carry 31.3% of all the vehicle-miles measured in the state.
| County or city | Daily vehicle-miles | Average daily traffic | Truck share | Road miles |
|---|---|---|---|---|
| 1. St. Louis County | 24,969,897 | 12,332 | 6.6% | 1,459 |
| 2. Jackson County | 17,616,095 | 8,937 | 7.2% | 1,446 |
| 3. St. Charles County | 11,743,703 | 12,653 | 6.2% | 831 |
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.
| County or city | Truck share | Truck share on highways | Average daily traffic | Daily vehicle-miles |
|---|---|---|---|---|
| 1. Atchison County | 22.8% | 27.5% | 2,138 | 466,028 |
| 2. Pemiscot County | 22.3% | 29.1% | 1,739 | 772,423 |
| 3. Holt County | 22.0% | 23.9% | 1,250 | 701,161 |
| 4. Mississippi County | 21.3% | 30.9% | 2,400 | 398,853 |
| 5. Saline County | 21.0% | 24.9% | 1,495 | 847,513 |
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.
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.
At 21.6 times the state average, I 435 draws drivers from neighborhoods averaging $99,364 in household income.
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%.
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%.
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%).
I 270 carries 19.7 times the state average on its busiest stretch, where the median trip lasts 35.0 minutes.
Delays build on I 470: its congestion ratio of 77% over free-flow time is well above the state's 19%.
At 18.3 times the state average, I 70 draws drivers from neighborhoods averaging $79,338 in household income.
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%.
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.
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%.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
Trucks make up 17.9% of I 70's traffic, against 9.8% across the state, so freight weighs heavily here.
I 44 carries through traffic: the median trip using it lasts 47.2 minutes, against 31.3 for the state.
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%).
I 70 carries 9.1 times the state average on its busiest stretch, where the median trip lasts 48.3 minutes.
At 12.2 times the state average, I 44 draws drivers from neighborhoods averaging $72,602 in household income.
The average monitored road in Missouri carries 5,631 vehicles per day, 19% less than the national average of 6,986.
Trip origins in Missouri have lower average income than 68% of states nationwide.
Trucks make up about 9.8% of all traffic in Missouri, rising to 13.4% on highways, where long-haul freight concentrates.
Drivers on Missouri roads have a median age of 47 years, and the median household income of the neighborhoods trips originate from averages $80,399, 12% below the national average.
Traffic in Missouri peaks in April–June, when volumes run 4% above the annual average. January is the quietest month, averaging 4,981 vehicles per day, 12% below the annual average.
Weekday traffic has two busy windows: AM peak 7:00 AM–9:00 AM and a long afternoon plateau from 3:00 PM to 7:00 PM - about 68% above the daily average.
The average trip in Missouri takes 31.3 minutes, 6% shorter than the national average of 33.3 minutes, delays at signals and congestion included.
I 435 in Jackson County carries the most, 121,634 vehicles per day on its busiest stretch, followed by Avenue of the Saints in St. Louis County (119,782), I 64 in St. Louis County (116,103), I 70 in St. Charles County (114,214), I 270 in St. Louis County (110,891). Figures are AADT, both directions combined.
About 121,634 vehicles per day in both directions on its busiest stretch, including 11,331 trucks (9.3%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.
About 12,128 trucks per day on its busiest stretch, 17.9% of its 67,843 vehicles.

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