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Traffic heat map of Madison County, Texas: 257 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 45 and Main Street

Madison County, Texas Traffic Counts

How busy are the roads of Madison County, Texas? We measure 257 road miles, divided into 1,610 segments, with multi-sourced, cross-verified mobile and sensor data. About 1 in 6 vehicles here is a truck, against 1 in 10 across Texas. 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 Madison County, Texas

Traffic

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

vehicles per day3,856
Trucks

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

17.1%
Average travel time

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

36.8 min
Congestion ratio

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

12.2%
Drivers’ average age

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

43.2 yrs
Drivers’ average income

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

$65,536

A typical monitored road in Madison County, Texas sees 3,856 vehicles per day, while its 257 miles of monitored roads together handle 1,082,131 vehicle-miles traveled per day (≈395 million per year). Freight weighs heavily here: trucks are 17.1% of traffic, against 9.8% across Texas.

Traffic 44% below the Texas average

At 3,856 vehicles per day, the average monitored road in Madison carries 44% less traffic than the state average of 6,895, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Across the whole network, that travel is about 0.1% of Texas's statewide total. By volume, Madison's 3,856 vehicles per day outpaces 66% of counties in Texas.

The average trip takes 36.8 minutes, 13% higher than the state level. 65% of counties in Texas have a shorter average travel time than Madison's 36.8 minutes.

At 25% lower than the state level, the 12.2% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Madison County, Texas

Trafficvehicles per day9,464
Trucks19.7%
Average travel time43.1 min
Congestion ratio22.6%
Drivers’ average age43.0 yrs
Drivers’ average income$65,059

Highways carry most of the traffic in Madison County, Texas: 79% of all vehicle-miles. The average highway carries 9,464 vehicles per day, 446% more than the average non-highway road in the same area, which carries 1,733 vehicles per day.

Highways make up 28% of the monitored road miles (71 miles, 442 segments), so they carry more than their share: 851,330 vehicle-miles traveled per day (≈311 million per year).

That is more highway travel volume than 65% of counties in Texas.

More highway trucks than 75% of counties in Texas

The concentration of trucks on highways (19.7%) is 44% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.

By truck concentration, highways here outrank 71% of counties in Texas. 75% of counties in Texas see fewer highway trucks per day than Madison's roughly 1,868.

non-highway traffic icon

Non-highway Traffic in Madison County, Texas

Trafficvehicles per day1,733
Trucks7.6%
Average travel time34.4 min
Congestion ratio8.3%
Drivers’ average age44.5 yrs
Drivers’ average income$66,220

At 21% of vehicle-miles, local roads carry a smaller share of the traffic in Madison County, Texas than highways. On the average non-highway road, that comes to 1,733 vehicles per day.

Local roads make up 72% of the monitored road miles (186 miles in 1,168 segments) but carry less than their share of travel: 230,802 vehicle-miles traveled per day (≈84.2 million per year). About 1 in 13 vehicles on non-highway roads is a truck (7.6%).

Local congestion 48% below the Texas average

Compared to highways, non-highway routes see 61% fewer trucks by share.

At 48% lower than the state level, the non-highway congestion ratio of 8.3% signals easier movement on local roads.

65% of counties in Texas see higher average driver income among trip origins than Madison. 69% of counties in Texas have an older driver population than Madison.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and a long afternoon plateau from 3:00 PM to 7:00 PM, with volumes reaching approximately 69% higher than the daily average.
Weekend traffic:
Weekends are busier than weekdays: volumes run about 18% above weekday levels, which usually points to leisure, tourism or shopping traffic.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +6% versus the annual average.
Lowest month:
February is the quietest month, with volumes -9% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Madison County, Texas, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +6% in high season.

Madison County vs. Texas Traffic Comparison

Madison County's biggest difference from the Texas average is its truck share, 76% above it. Its average daily traffic per road, by contrast, is 44% below.

MetricMadison CountyTexas averageDifference
Traffic3,8566,895-44.1%
Truck % (Total Traffic)17.1%9.8%+75.5%
Truck % (Highway)19.7%13.8%+43.6%
Avg. Travel Time36.8 min32.6 min+12.8%

How Madison County compares

Madison County against nearby counties

Madison County tracks the 4 areas around it closely - no measure in this table sets it far apart from the areas immediately next to it, though it has the third busiest roads of the five. Traffic volume here matches the areas around it, but more of that traffic is trucks - a difference in what routes through, not in how much.

Madison County and the 4 nearest county-level areas by centroid distance, with the Texas average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Madison County3,85617.1%1,082,13136.8 min12.2%
Leon County, Texas2,87316.7%1,659,43439.4 min8.3%
Walker County, Texas5,34113.5%2,813,82433.1 min12.1%
Grimes County, Texas4,0249.6%1,425,88640.9 min13.6%
Houston County, Texas2,23110.8%687,54338.6 min7.0%
Texas average6,8959.8%N/A32.6 min16.4%

Madison County ranked within Texas

Madison County sits in the top quarter of the Texas field on highway truck volume, at #57 of 227.

Madison County ranked among 254 county-level areas in Texas (1 = highest); measures without data in every county rank a smaller field, down to 227.
MeasureMadison CountyTexas rank
Traffic volume (AADT)3,856#86 of 254
Highway vehicle-miles per day851,330#81 of 227
Truck share on highways19.7%#67 of 227
Highway trucks per day1,868#57 of 227
Average travel time36.8 min#89 of 254
Average driver income$65,536#166 of 254
Average driver age43.2 yrs#175 of 254

Busiest roads in Madison County, Texas

The three busiest roads in Madison County average 19,704 vehicles a day, 5.1 times the county average of 3,856 across all its monitored roads.

I 45 leads with 34,786 vehicles a day, 8,420 of them trucks (24.2%). No other road comes close: Main Street, in second place, carries 15,886. It tops the truck ranking too, with the most trucks.

Trips using I 45 are long: a median of 66.2 minutes against 36.8 county-wide, the mark of a through route.

Few trucks use Madison Street: 6.5% of its traffic, under half the county's 17.1%.

TX 21 skews younger: its drivers' median age is 35.9, compared with 43.2 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 45Motorway · 34,786vehicles8,420trucks · 24.2%
Road class
Motorway
Congestion ratio
38.3%
Median trip time
66.2 min
Drivers’ median age
45.8 yrs
Drivers’ average income
$65,603

I 45 is one of the more congested roads here: trips take 38% longer than at free-flow speed, against 12% county-wide.

2Main StreetTrunk road · 15,886vehicles1,148trucks · 7.2%
Road class
Trunk road
Congestion ratio
34.4%
Median trip time
32.2 min
Drivers’ median age
43.9 yrs
Drivers’ average income
$61,439

Delays build on Main Street: its congestion ratio of 34% over free-flow time is well above the county's 12%.

3Madison StreetPrimary road · 8,442vehicles544trucks · 6.5%
Road class
Primary road
Median trip time
28.4 min
Drivers’ median age
45.8 yrs
Drivers’ average income
$62,386

Madison Street carries 2.2 times the county average on its busiest stretch, where the median trip lasts 28.4 minutes.

4May StreetPrimary road · 7,539vehicles457trucks · 6.1%
Road class
Primary road
Congestion ratio
18.4%
Median trip time
29.6 min
Drivers’ median age
45.7 yrs
Drivers’ average income
$61,613

At 2.0 times the county average, May Street draws drivers from neighborhoods averaging $61,613 in household income.

5TX 21Trunk road · 7,389vehicles773trucks · 10.5%
Road class
Trunk road
Congestion ratio
16.8%
Median trip time
45.0 min
Drivers’ median age
35.9 yrs
Drivers’ average income
$67,393

TX 21 peaks at 7,389 vehicles a day, 92% more than the county average; trucks are 10.5% of it, below the county-wide 17.1%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 45Motorway · #1 by traffic34,786vehicles8,420trucks · 24.2%
2Main StreetTrunk road · #2 by traffic15,886vehicles1,148trucks · 7.2%
3TX 21Trunk road · #5 by traffic7,389vehicles773trucks · 10.5%
4US 190Trunk road · 7,244vehicles745trucks · 10.3%
Road class
Trunk road
Median trip time
40.0 min
Drivers’ median age
36.5 yrs
Drivers’ average income
$65,773

US 190 carries 88% more than the county average at its busiest, 745 of them trucks (10.3%, below the county-wide 17.1%).

5Madison StreetPrimary road · #3 by traffic8,442vehicles544trucks · 6.5%
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

MadisonDepartment 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 Madison County

The same traffic breakdown for the areas closest to Madison County, Texas.

Need segment-level traffic data?

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