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Traffic heat map of Carroll County, Mississippi: 261 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 55 and US 82

Carroll County, Mississippi Traffic Counts

Traffic analytics for Carroll County, Mississippi, calculated from real-world mobile and sensor networks on 1,495 road segments (261 road miles, about 920 ft each). Its busiest road, I 55, carries 19,295 vehicles a day, 12.2 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 Volume & Performance in Carroll County, Mississippi

Traffic

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

vehicles per day1,578
Trucks

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

16.9%
Average travel time

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

28.7 min
Congestion ratio

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

6.4%
Drivers’ average age

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

48.0 yrs
Drivers’ average income

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

$55,323

Our data shows 1,578 vehicles per day on the average road in Carroll County, Mississippi, and 713,995 vehicle-miles traveled per day (≈261 million per year) across its 261 miles of monitored roads. Freight weighs heavily here: trucks are 16.9% of traffic, against 11.1% across Mississippi.

Quieter roads than 90% of counties in Mississippi

Carroll sees 70% lower average daily traffic volume than the state average (1,578 vehicles per day against 5,319), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. Network-wide, Carroll accounts for about 0.7% of Mississippi's statewide total of vehicle-miles. By volume, Carroll's 1,578 vehicles per day trails 90% of counties in Mississippi.

The average trip takes 28.7 minutes, 7% lower than the state level. Its average travel time of 28.7 minutes is shorter than 90% of counties in Mississippi.

The congestion ratio of 6.4% is 58% lower, pointing to smoother traffic flow than the state level - free-flowing roads make scheduled deliveries highly predictable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Carroll County, Mississippi

Trafficvehicles per day4,428
Trucks19.8%
Average travel time42.5 min
Congestion ratio7.6%
Drivers’ average age47.2 yrs
Drivers’ average income$54,373

Highways carry most of the traffic in Carroll County, Mississippi: 75% of all vehicle-miles. The average highway carries 4,428 vehicles per day, 251% more than the average non-highway road in the same area, which carries 1,262 vehicles per day.

Highways make up 35% of the monitored road miles (90 miles, 149 segments), so they carry more than their share: 535,499 vehicle-miles traveled per day (≈195 million per year).

By highway travel volume, Carroll outranks 58% of counties in Mississippi.

Higher highway truck share than 87% of counties in Mississippi

Highway truck concentration here runs 25% higher than the state average, at 19.8%. Highways here lean toward freight, so highway access is a real asset for logistics operators.

Carroll's highway truck share (19.8%) is higher than 87% of counties in Mississippi. Carroll's highway truck count is higher than 58% of counties in Mississippi, at roughly 877 trucks per day.

non-highway traffic icon

Non-highway Traffic in Carroll County, Mississippi

Trafficvehicles per day1,262
Trucks8.2%
Average travel time27.1 min
Congestion ratio6.3%
Drivers’ average age49.7 yrs
Drivers’ average income$57,267

At 25% of vehicle-miles, local roads carry a smaller share of the traffic in Carroll County, Mississippi than highways. The average non-highway road carries 1,262 vehicles per day.

Local roads make up 65% of the monitored road miles (170 miles in 1,346 segments) but carry less than their share of travel: 178,496 vehicle-miles traveled per day (≈65.2 million per year). Trucks make up 8.2% of non-highway traffic, about 1 in 12 vehicles.

Older drivers than 80% of counties in Mississippi

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

At 58% lower than the state level, the non-highway congestion ratio of 6.3% signals easier movement on local roads.

51% of counties in Mississippi see lower average driver income among trip origins than Carroll. The driver population here skews older than 80% of counties in Mississippi.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Carroll County, Mississippi, the peak hour concentrates about 8% of the day's traffic.

Carroll County vs. Mississippi Traffic Comparison

The average daily traffic per road sets Carroll County apart: 70% below the Mississippi average. Its truck share, by contrast, is 53% above.

MetricCarroll CountyMississippi averageDifference
Traffic1,5785,319-70.3%
Truck % (Total Traffic)16.9%11.1%+52.5%
Truck % (Highway)19.8%15.9%+24.7%
Avg. Travel Time28.7 min30.7 min-6.7%

How Carroll County compares

Carroll County has the quietest roads among its nearby counties

Set against the average of the 4 areas nearest to it, Carroll County carries 49.4% less traffic on a typical road; it has the quietest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.

Carroll County and the 4 nearest county-level areas by centroid distance, with the Mississippi average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Carroll County1,57816.9%713,99528.7 min6.4%
Montgomery County, Mississippi2,97916.2%481,75430.1 min7.5%
Leflore County, Mississippi3,0929.3%556,70829.5 min9.5%
Holmes County, Mississippi1,98319.9%780,65836.2 min6.3%
Grenada County, Mississippi4,42515.7%795,74129.2 min9.7%
Mississippi average5,31911.1%N/A30.7 min15.2%

Carroll County ranked within Mississippi

Carroll County sits in the bottom quarter of the Mississippi field on average daily traffic volume, at #74 of 82.

Carroll County ranked among 82 county-level areas in Mississippi (1 = highest); measures without data in every county rank a smaller field, down to 78.
MeasureCarroll CountyMississippi rank
Traffic volume (AADT)1,578#74 of 82
Highway vehicle-miles per day535,499#33 of 78
Truck share on highways19.8%#11 of 78
Highway trucks per day877#33 of 78
Average travel time28.7 min#74 of 82
Average driver income$55,323#41 of 82
Average driver age48.0 yrs#17 of 82

The two ends of this table sit far apart: #11 of 78 on truck share on highways, against #74 of 82 on average daily traffic volume.

Busiest roads in Carroll County, Mississippi

On their busiest stretches, the three busiest roads in Carroll County carry 12,049 vehicles a day on average, 7.6 times the typical road in the county (1,578).

I 55 is the busiest road, at 19,295 vehicles a day, 4,423 of them trucks (22.9%). No other road comes close: US 82, in second place, carries 8,797. It also carries the most trucks.

Trips using I 55 are long: a median of 53.3 minutes against 28.7 county-wide, the mark of a through route.

Few trucks use Lexington Street: 5.5% of its traffic, under half the county's 16.9%.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 55Motorway · 19,295vehicles4,423trucks · 22.9%
Road class
Motorway
Median trip time
53.3 min
Drivers’ median age
45.1 yrs
Drivers’ average income
$48,525

I 55 is a trunk route for the county, carrying 12.2 times the county average on its busiest stretch; trucks are 22.9% of it, above the county-wide 16.9%.

2US 82Trunk road · 8,797vehicles898trucks · 10.2%
Road class
Trunk road
Congestion ratio
10.0%
Median trip time
32.8 min
Drivers’ median age
48.2 yrs
Drivers’ average income
$61,368

US 82 carries 5.6 times the county average at its busiest, 898 of them trucks (10.2%, below the county-wide 16.9%).

3Lexington StreetSecondary road · 8,055vehicles440trucks · 5.5%
Road class
Secondary road
Median trip time
23.4 min
Drivers’ median age
48.7 yrs
Drivers’ average income
$62,356

Lexington Street carries 5.1 times the county average on its busiest stretch, where the median trip lasts 23.4 minutes.

4George StreetSecondary road · 7,846vehicles433trucks · 5.5%
Road class
Secondary road
Median trip time
24.0 min
Drivers’ median age
48.8 yrs
Drivers’ average income
$62,951

At 5.0 times the county average, George Street draws drivers from neighborhoods averaging $62,951 in household income.

5MS 17 / MS 35Secondary road · 6,680vehicles413trucks · 6.2%
Road class
Secondary road
Congestion ratio
11.6%
Median trip time
22.9 min
Drivers’ median age
49.2 yrs
Drivers’ average income
$59,987

The busiest stretch of MS 17 / MS 35 carries 4.2 times the county average; trucks are 6.2% of it, below the county-wide 16.9%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 55Motorway · #1 by traffic19,295vehicles4,423trucks · 22.9%
2US 82Trunk road · #2 by traffic8,797vehicles898trucks · 10.2%
3Lexington StreetSecondary road · #3 by traffic8,055vehicles440trucks · 5.5%
4George StreetSecondary road · #4 by traffic7,846vehicles433trucks · 5.5%
5MS 17 / MS 35Secondary road · #5 by traffic6,680vehicles413trucks · 6.2%
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

CarrollDepartment 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 Carroll County

The same traffic breakdown for the areas closest to Carroll County, Mississippi.

Need segment-level traffic data?

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