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Traffic heat map of Buchanan County, Missouri: 424 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 29 and Belt Highway

Buchanan County, Missouri Traffic Counts

Its busiest road, I 29, carries 33,277 vehicles a day, 7.7 times the average road. This page breaks down traffic in Buchanan County, Missouri across 424 miles of monitored roads split into 7,845 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 Buchanan County, Missouri

Traffic

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

vehicles per day4,347
Trucks

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

12.9%
Average travel time

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

32.8 min
Congestion ratio

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

13.3%
Drivers’ average age

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

47.3 yrs
Drivers’ average income

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

$68,481

The average monitored road in Buchanan County, Missouri carries 4,347 vehicles per day. Across its 424 miles of monitored roads, that adds up to 1,983,091 vehicle-miles traveled per day (≈724 million per year). Trucks are 12.9% of traffic, more than the 9.8% across Missouri.

Busier roads than 82% of counties in Missouri

Buchanan's average daily traffic volume is 23% lower than the state average - 4,347 vehicles per day against 5,631 - suggesting less traffic load per road - a factor worth weighing in site selection and logistics planning. Across the whole network, that travel is about 1.1% of Missouri's statewide total. 82% of counties in Missouri see less traffic than Buchanan's 4,347 vehicles per day.

Journey times here (32.8 minutes on average) closely track the state level. Its average travel time of 32.8 minutes is longer than 54% of counties in Missouri.

The congestion ratio of 13.3% is 32% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Buchanan County, Missouri

Trafficvehicles per day7,540
Trucks18.6%
Average travel time38.0 min
Congestion ratio19.7%
Drivers’ average age47.5 yrs
Drivers’ average income$70,979

Highways carry about half of all travel in Buchanan County, Missouri, 54% of vehicle-miles. The average highway carries 7,540 vehicles per day, 83% more than the average non-highway road in the same area, which carries 4,128 vehicles per day.

Highways make up 26% of the monitored road miles (111 miles, 504 segments), so they carry more than their share: 1,080,526 vehicle-miles traveled per day (≈394 million per year).

82% of counties in Missouri move less traffic on their highways.

Higher highway truck share than 73% of counties in Missouri

Highway truck concentration here runs 38% higher than the state average, at 18.6%. Highways here lean toward freight, so highway access is a real asset for logistics operators.

Buchanan's highway truck share (18.6%) is higher than 73% of counties in Missouri. 67% of counties in Missouri see fewer highway trucks per day than Buchanan's roughly 1,402.

non-highway traffic icon

Non-highway Traffic in Buchanan County, Missouri

Trafficvehicles per day4,128
Trucks6.0%
Average travel time32.4 min
Congestion ratio12.9%
Drivers’ average age47.3 yrs
Drivers’ average income$66,897

Local roads carry about half of all travel in Buchanan County, Missouri, 46% of vehicle-miles. On the average non-highway road, that comes to 4,128 vehicles per day.

Local roads make up 74% of the monitored road miles (312 miles in 7,341 segments) but carry less than their share of travel: 902,566 vehicle-miles traveled per day (≈329 million per year). The truck share on non-highway roads is 6.0%.

Younger drivers than 75% of counties in Missouri

Non-highway roads carry a truck concentration that's 68% lower than the highway network.

Non-highway congestion (12.9%) runs 31% lower than the state average, pointing to smoother local traffic flow.

73% of counties in Missouri see lower average driver income among trip origins than Buchanan. Buchanan's median driver age is lower than 75% of counties in Missouri.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and a long afternoon plateau from 3:00 PM to 7:00 PM, with volumes reaching approximately 64% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 17% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +5% versus the annual average.
Lowest month:
January is the quietest month, with volumes -13% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Buchanan County, Missouri, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +5% in high season.

Buchanan County vs. Missouri Traffic Comparison

The highway truck share sets Buchanan County apart: 38% above the Missouri average. Its truck share is also 31% above.

MetricBuchanan CountyMissouri averageDifference
Traffic4,3475,631-22.8%
Truck % (Total Traffic)12.9%9.8%+31.1%
Truck % (Highway)18.6%13.4%+38.3%
Avg. Travel Time32.8 min31.3 min+4.8%

How Buchanan County compares

Buchanan County against nearby counties

Against the 4 nearest areas, Buchanan County carries 46.5% more traffic on a typical road; it has the second busiest roads of the five. Bigger and busier at once: more road than the areas around it and heavier traffic on it, which makes it the centre of gravity for travel in this part of the map.

Buchanan County and the 4 nearest county-level areas by centroid distance, with the Missouri average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Buchanan County4,34712.9%1,983,09132.8 min13.3%
Doniphan County, Kansas1,71811.8%267,46229.8 minN/A
Andrew County, Missouri2,06114.3%764,43327.5 min8.9%
Clinton County, Missouri2,94215.7%1,030,07529.7 minN/A
Platte County, Missouri5,14510.7%3,762,39628.7 min17.1%
Missouri average5,6319.8%N/A31.3 min19.4%

Buchanan County ranked within Missouri

Average daily traffic volume places Buchanan County #21 of 115 in Missouri - the top quarter of the state.

Buchanan County ranked among 115 county-level areas in Missouri (1 = highest); measures without data in every county rank a smaller field, down to 93.
MeasureBuchanan CountyMissouri rank
Traffic volume (AADT)4,347#21 of 115
Highway vehicle-miles per day1,080,526#18 of 93
Truck share on highways18.6%#26 of 93
Highway trucks per day1,402#31 of 93
Average travel time32.8 min#53 of 115
Average driver income$68,481#32 of 115
Average driver age47.3 yrs#86 of 115

Busiest roads in Buchanan County, Missouri

On their busiest stretches, the three busiest roads in Buchanan County carry 24,454 vehicles a day on average, 5.6 times the typical road in the county (4,347).

I 29 is the busiest road, at 33,277 vehicles a day, 7,425 of them trucks (22.3%). It tops the truck ranking too, with the most trucks.

Trucks make up 22.3% of traffic on I 29, against 12.9% across all roads in the county.

Belt Highway is busy with cars rather than freight: only 5.0% of its traffic is trucks, against 12.9% county-wide.

Trips using I 29 are long: a median of 43.8 minutes against 32.8 county-wide, the mark of a through route.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 29Motorway · 33,277vehicles7,425trucks · 22.3%
Road class
Motorway
Congestion ratio
32.7%
Median trip time
43.8 min
Drivers’ median age
47.1 yrs
Drivers’ average income
$75,211

A main artery: I 29's busiest stretch carries 7.7 times the county average; trucks are 22.3% of it, above the county-wide 12.9%.

2Belt HighwayPrimary road · 23,807vehicles1,203trucks · 5.0%
Road class
Primary road
Congestion ratio
34.0%
Median trip time
33.2 min
Drivers’ median age
47.2 yrs
Drivers’ average income
$64,165

Delays build on Belt Highway: its congestion ratio of 34% over free-flow time is well above the county's 13%.

3Hyde Park AvenueTrunk road · 16,278vehicles1,399trucks · 8.6%
Road class
Trunk road
Congestion ratio
36.7%
Median trip time
29.9 min
Drivers’ median age
47.5 yrs
Drivers’ average income
$62,706

Travel on Hyde Park Avenue's busiest stretch runs 37% over free-flow time, against 13% across the county, so expect slower peak hours.

4Mason RoadTrunk road · 14,390vehicles844trucks · 5.9%
Road class
Trunk road
Congestion ratio
32.4%
Median trip time
30.1 min
Drivers’ median age
47.8 yrs
Drivers’ average income
$65,066

On its busiest stretch, Mason Road carries 3.3 times the county average; trucks are 5.9% of it, below the county-wide 12.9%.

5I 229Motorway · 14,322vehicles1,886trucks · 13.2%
Road class
Motorway
Congestion ratio
15.8%
Median trip time
29.5 min
Drivers’ median age
47.1 yrs
Drivers’ average income
$61,054

I 229 peaks at 14,322 vehicles a day, 3.3 times the county average; trucks are 13.2% of it, in line with the county-wide 12.9%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 29Motorway · #1 by traffic33,277vehicles7,425trucks · 22.3%
2I 229Motorway · #5 by traffic14,322vehicles1,886trucks · 13.2%
3US 36Motorway · 13,977vehicles1,568trucks · 11.2%
Road class
Motorway
Congestion ratio
16.8%
Median trip time
32.7 min
Drivers’ median age
47.6 yrs
Drivers’ average income
$65,761

US 36 carries 3.2 times the county average at its busiest, 1,568 of them trucks (11.2%, below the county-wide 12.9%).

4Hyde Park AvenueTrunk road · #3 by traffic16,278vehicles1,399trucks · 8.6%
5Belt HighwayPrimary road · #2 by traffic23,807vehicles1,203trucks · 5.0%
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

BuchananDepartment 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 Buchanan County

The same traffic breakdown for the areas closest to Buchanan County, Missouri.

Need segment-level traffic data?

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