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Traffic heat map of Copiah County, Mississippi: 278 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 55 and Caldwell Drive

Copiah County, Mississippi Traffic Counts

TrafficZoom tracks traffic on 278 road miles in Copiah County, Mississippi, divided into 1,784 segments averaging 824 ft. Its highways rank among the top 3 counties in Mississippi for trucks per day. Built from cross-verified mobile and road-sensor data, these counts help you size up a retail site, plan logistics routes or assess infrastructure needs.
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 Copiah County, Mississippi

Traffic

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

vehicles per day3,080
Trucks

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

16.1%
Average travel time

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

32.1 min
Congestion ratio

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

11.6%
Drivers’ average age

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

47.0 yrs
Drivers’ average income

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

$55,329

Our data shows 3,080 vehicles per day on the average road in Copiah County, Mississippi, and 1,466,902 vehicle-miles traveled per day (≈535 million per year) across its 278 miles of monitored roads. At 16.1%, the truck share runs above the 11.1% across Mississippi: about 1 in 6 vehicles.

Traffic 42% below the Mississippi average

Copiah's average daily traffic volume is 42% lower than the state average - 3,080 vehicles per day against 5,319 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Copiah accounts for about 1.5% of Mississippi's statewide total of vehicle-miles. By volume, Copiah's 3,080 vehicles per day trails 54% of counties in Mississippi.

At 32.1 minutes, the average travel time matches the state level closely. 59% of counties in Mississippi have a shorter average travel time than Copiah's 32.1 minutes.

At 24% lower than the state level, the 11.6% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Copiah County, Mississippi

Trafficvehicles per day18,019
Trucks19.4%
Average travel time48.9 min
Congestion ratio41.9%
Drivers’ average age46.3 yrs
Drivers’ average income$57,540

Most travel in Copiah County, Mississippi happens on highways, 70% of all vehicle-miles. The average highway carries 18,019 vehicles per day, 622% more than the average non-highway road in the same area, which carries 2,497 vehicles per day.

Yet highways are only 20% of the road network, 55 miles in 67 segments, so each mile of them is 3.5 times as busy as the average road mile.

That is more highway travel volume than 84% of counties in Mississippi.

More highway trucks than 97% of counties in Mississippi

Highway truck concentration here runs 22% higher than the state average, at 19.4%. Highways here lean toward freight, so highway access is a real asset for logistics operators.

Copiah's highway truck share (19.4%) is higher than 84% of counties in Mississippi. By raw truck volume, Copiah carries more highway trucks than 97% of counties in Mississippi.

non-highway traffic icon

Non-highway Traffic in Copiah County, Mississippi

Trafficvehicles per day2,497
Trucks8.4%
Average travel time31.4 min
Congestion ratio10.4%
Drivers’ average age48.5 yrs
Drivers’ average income$52,316

At 30% of vehicle-miles, local roads carry a smaller share of the traffic in Copiah County, Mississippi than highways. The average non-highway road carries 2,497 vehicles per day.

Spread over 223 miles and 1,717 segments, 80% of the road network, local roads carry a lighter load per mile: 438,006 vehicle-miles traveled per day (≈160 million per year). The truck share on non-highway roads is 8.4%.

Local congestion 30% below the Mississippi average

Compared to highways, non-highway routes see 56% fewer trucks by share.

The non-highway congestion ratio of 10.4% is 30% lower than the state level, suggesting more efficient local mobility than the state average.

Trip origins here have higher average income than 52% of counties in Mississippi. The driver population here skews older than 62% of counties in Mississippi.

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 71% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 33% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +72% versus the annual average.
Lowest month:
December is the quietest month, with volumes -50% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Copiah County, Mississippi, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +72% in high season.

Copiah County vs. Mississippi Traffic Comparison

The truck share sets Copiah County apart: 45% above the Mississippi average. Its average daily traffic per road, by contrast, is 42% below.

MetricCopiah CountyMississippi averageDifference
Traffic3,0805,319-42.1%
Truck % (Total Traffic)16.1%11.1%+45.4%
Truck % (Highway)19.4%15.9%+21.9%
Avg. Travel Time32.1 min30.7 min+4.5%

How Copiah County compares

Copiah County has a higher truck share than any nearby county

Nothing in this table sets Copiah County sharply apart from the 4 areas nearest 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.

Copiah 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
Copiah County3,08016.1%1,466,90232.1 min11.6%
Hinds County, Mississippi6,49811.7%6,362,98630.2 min15.7%
Claiborne County, Mississippi1,77711.7%188,14132.5 min5.8%
Lawrence County, Mississippi1,7629.9%286,29928.5 min7.3%
Simpson County, Mississippi3,48111.1%1,018,75632.8 min9.3%
Mississippi average5,31911.1%N/A30.7 min15.2%

Copiah County ranked within Mississippi

Copiah County sits in Mississippi's top three on highway truck volume.

Copiah County ranked among 82 county-level areas in Mississippi (1 = highest); measures without data in every county rank a smaller field, down to 78.
MeasureCopiah CountyMississippi rank
Traffic volume (AADT)3,080#45 of 82
Highway vehicle-miles per day1,028,896#13 of 78
Truck share on highways19.4%#13 of 78
Highway trucks per day3,490#3 of 78
Average travel time32.1 min#34 of 82
Average driver income$55,329#40 of 82
Average driver age47.0 yrs#32 of 82

Busiest roads in Copiah County, Mississippi

The three busiest roads in Copiah County average 18,744 vehicles a day, 6.1 times the county average of 3,080 across all its monitored roads.

I 55 leads with 39,284 vehicles a day, 7,639 of them trucks (19.4%). That is 4.2 times the next road, Caldwell Drive (9,391). It tops the truck ranking too, with the most trucks.

I 55 carries longer journeys than most roads here, with a median trip of 49.1 minutes against 32.1 county-wide.

Caldwell Drive is busy with cars rather than freight: only 6.8% of its traffic is trucks, against 16.1% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 55Motorway · 39,284vehicles7,639trucks · 19.4%
Road class
Motorway
Congestion ratio
42.8%
Median trip time
49.1 min
Drivers’ median age
46.4 yrs
Drivers’ average income
$56,846

Travel on I 55's busiest stretch runs 43% over free-flow time, against 12% across the county, so expect slower peak hours.

2Caldwell DrivePrimary road · 9,391vehicles641trucks · 6.8%
Road class
Primary road
Congestion ratio
20.3%
Median trip time
30.2 min
Drivers’ median age
47.9 yrs
Drivers’ average income
$44,241

Caldwell Drive is one of the more congested roads here: trips take 20% longer than at free-flow speed, against 12% county-wide.

3South StreetPrimary road · 7,556vehicles516trucks · 6.8%
Road class
Primary road
Congestion ratio
17.0%
Median trip time
26.4 min
Drivers’ median age
45.2 yrs
Drivers’ average income
$45,428

South Street carries 2.5 times the county average at its busiest, 516 of them trucks (6.8%, below the county-wide 16.1%).

4US 51Primary road · 5,780vehicles454trucks · 7.8%
Road class
Primary road
Median trip time
34.5 min
Drivers’ median age
50.3 yrs
Drivers’ average income
$60,599

US 51 peaks at 5,780 vehicles a day, 88% more than the county average; trucks are 7.8% of it, below the county-wide 16.1%.

5Georgetown StreetSecondary road · 5,402vehicles608trucks · 11.2%
Road class
Secondary road
Median trip time
26.2 min
Drivers’ median age
51.3 yrs
Drivers’ average income
$47,188

Georgetown Street carries 75% more than the county average at its busiest, 608 of them trucks (11.2%, below the county-wide 16.1%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 55Motorway · #1 by traffic39,284vehicles7,639trucks · 19.4%
2Caldwell DrivePrimary road · #2 by traffic9,391vehicles641trucks · 6.8%
3Georgetown StreetSecondary road · #5 by traffic5,402vehicles608trucks · 11.2%
4South StreetPrimary road · #3 by traffic7,556vehicles516trucks · 6.8%
5US 51Primary road · #4 by traffic5,780vehicles454trucks · 7.8%
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

CopiahDepartment 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 Copiah County

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

Need segment-level traffic data?

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