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Traffic heat map of Grenada County, Mississippi: 194 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 55 and Commerce Street

Grenada County, Mississippi Traffic Counts

How busy are the roads of Grenada County, Mississippi? We measure 194 road miles, divided into 1,814 segments, with multi-sourced, cross-verified mobile and sensor data. Its highways carry one of the top 3 truck shares of any county in Mississippi. 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 Grenada County, Mississippi

Traffic

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

vehicles per day4,425
Trucks

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

15.7%
Average travel time

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

29.2 min
Congestion ratio

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

9.7%
Drivers’ average age

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

48.7 yrs
Drivers’ average income

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

$52,018

The average monitored road in Grenada County, Mississippi carries 4,425 vehicles per day. Across its 194 miles of monitored roads, that adds up to 795,741 vehicle-miles traveled per day (≈290 million per year). At 15.7%, the truck share runs above the 11.1% across Mississippi: about 1 in 6 vehicles.

Shorter trips than 84% of counties in Mississippi

At 4,425 vehicles per day, the average monitored road in Grenada carries 17% less traffic than the state average of 5,319, suggesting less demand on each road - a factor worth weighing in site selection and logistics planning. In total volume terms, its road network carries about 0.8% of Mississippi's statewide total of vehicle-miles. Grenada carries more traffic than 74% of counties in Mississippi.

Journey times run 5% lower than the state level, at 29.2 minutes on average. On travel time, Grenada runs shorter than 84% of counties in Mississippi.

Congestion runs 36% lower than the state level, at a ratio of 9.7%, which means smoother traffic flow - fewer delays make delivery windows more reliable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Grenada County, Mississippi

Trafficvehicles per day5,709
Trucks25.0%
Average travel time55.5 min
Congestion ratio12.2%
Drivers’ average age44.4 yrs
Drivers’ average income$53,421

Travel in Grenada County, Mississippi splits roughly evenly, with about half of it (46% of vehicle-miles) on highways. The average highway carries 5,709 vehicles per day, 31% more than the average non-highway road in the same area, which carries 4,363 vehicles per day.

Highways make up 25% of the monitored road miles (48 miles, 84 segments), so they carry more than their share: 365,312 vehicle-miles traveled per day (≈133 million per year).

Higher highway truck share than 97% of counties in Mississippi

At 25.0%, highway truck share is 58% higher than the state average. That marks Grenada as a major freight corridor, where highway access is what logistics operators compete on.

Grenada's highway truck share (25.0%) is higher than 97% of counties in Mississippi. Grenada's highway truck count is higher than 83% of counties in Mississippi, at roughly 1,429 trucks per day.

non-highway traffic icon

Non-highway Traffic in Grenada County, Mississippi

Trafficvehicles per day4,363
Trucks7.8%
Average travel time27.9 min
Congestion ratio9.5%
Drivers’ average age49.1 yrs
Drivers’ average income$51,708

Travel in Grenada County, Mississippi splits roughly evenly, with about half of it (54% of vehicle-miles) on local roads. On the average non-highway road, that comes to 4,363 vehicles per day.

Spread over 146 miles and 1,730 segments, 75% of the road network, local roads carry a lighter load per mile: 430,429 vehicle-miles traveled per day (≈157 million per year). About 1 in 13 vehicles on non-highway roads is a truck (7.8%).

Older drivers than 89% of counties in Mississippi

Non-highway roads carry a truck concentration that's 69% lower than the highway network.

At 36% lower than the state level, the non-highway congestion ratio of 9.5% signals easier movement on local roads.

Grenada's average driver income is lower than 64% of counties in Mississippi. The driver population here skews older than 89% 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:
Weekend traffic is about as busy as on weekdays (-3%): leisure and through trips largely replace the commute.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +6% versus the annual average.
Lowest month:
January is the quietest month, with volumes -11% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

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

Grenada County vs. Mississippi Traffic Comparison

Of the four measures, highway truck share differs most: Grenada County runs 58% above the Mississippi average. Its truck share is also 42% above.

MetricGrenada CountyMississippi averageDifference
Traffic4,4255,319-16.8%
Truck % (Total Traffic)15.7%11.1%+41.8%
Truck % (Highway)25.0%15.9%+57.5%
Avg. Travel Time29.2 min30.7 min-5.0%

How Grenada County compares

Grenada County has the busiest roads among its nearby counties

Against the 4 nearest areas, Grenada County carries 112.9% more traffic on a typical road and is 44.1% more congested; it has the busiest roads of the five. It is where traffic concentrates in this corner of the map - the local bottleneck, with more vehicles per road AND less room to absorb them.

Grenada 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
Grenada County4,42515.7%795,74129.2 min9.7%
Montgomery County, Mississippi2,97916.2%481,75430.1 min7.5%
Yalobusha County, Mississippi1,85818.7%607,98830.5 min6.1%
Carroll County, Mississippi1,57816.9%713,99528.7 min6.4%
Tallahatchie County, Mississippi1,9009.5%210,83031.7 min6.8%
Mississippi average5,31911.1%N/A30.7 min15.2%

Grenada County ranked within Mississippi

Grenada County sits in Mississippi's top three on truck share on highways.

Grenada County ranked among 82 county-level areas in Mississippi (1 = highest); measures without data in every county rank a smaller field, down to 78.
MeasureGrenada CountyMississippi rank
Traffic volume (AADT)4,425#22 of 82
Highway vehicle-miles per day365,312#42 of 78
Truck share on highways25.0%#3 of 78
Highway trucks per day1,429#14 of 78
Average travel time29.2 min#69 of 82
Average driver income$52,018#53 of 82
Average driver age48.7 yrs#10 of 82

The two ends of this table sit far apart: #3 of 78 on truck share on highways, against #69 of 82 on average travel time.

Busiest roads in Grenada County, Mississippi

Traffic concentrates on a few corridors: the three busiest roads average 15,227 vehicles a day, against 4,425 on the average road in Grenada County.

I 55 leads with 18,045 vehicles a day, 3,867 of them trucks (21.4%). It tops the truck ranking too, with the most trucks.

Trips using I 55 are long: a median of 54.7 minutes against 29.2 county-wide, the mark of a through route.

Commerce Street is busy with cars rather than freight: only 5.7% of its traffic is trucks, against 15.7% county-wide.

Drivers on MS 7 / MS 333 Scenic are noticeably younger, with a median age of 40.3 against 48.7 across the county.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 55Motorway · 18,045vehicles3,867trucks · 21.4%
Road class
Motorway
Congestion ratio
22.2%
Median trip time
54.7 min
Drivers’ median age
45.7 yrs
Drivers’ average income
$54,591

Travel on I 55's busiest stretch runs 22% over free-flow time, against 10% across the county, so expect slower peak hours.

2Commerce StreetPrimary road · 15,564vehicles882trucks · 5.7%
Road class
Primary road
Congestion ratio
18.5%
Median trip time
25.4 min
Drivers’ median age
49.9 yrs
Drivers’ average income
$49,483

Commerce Street carries 3.5 times the county average at its busiest, 882 of them trucks (5.7%, below the county-wide 15.7%).

3Lakeview DrivePrimary road · 12,072vehicles778trucks · 6.4%
Road class
Primary road
Congestion ratio
14.3%
Median trip time
28.8 min
Drivers’ median age
49.7 yrs
Drivers’ average income
$53,426

Lakeview Drive carries 2.7 times the county average on its busiest stretch, where the median trip lasts 28.8 minutes.

4Sunset DrivePrimary road · 10,280vehicles790trucks · 7.7%
Road class
Primary road
Congestion ratio
19.5%
Median trip time
28.2 min
Drivers’ median age
48.8 yrs
Drivers’ average income
$53,270

Sunset Drive is one of the more congested roads here: trips take 19% longer than at free-flow speed, against 10% county-wide.

5Dr Martin Luther King Jr BoulevardPrimary road · 7,139vehicles428trucks · 6.0%
Road class
Primary road
Congestion ratio
8.8%
Median trip time
27.8 min
Drivers’ median age
49.5 yrs
Drivers’ average income
$42,553

Dr Martin Luther King Jr Boulevard carries 61% more than the county average at its busiest, 428 of them trucks (6.0%, below the county-wide 15.7%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 55Motorway · #1 by traffic18,045vehicles3,867trucks · 21.4%
2Commerce StreetPrimary road · #2 by traffic15,564vehicles882trucks · 5.7%
3Sunset DrivePrimary road · #4 by traffic10,280vehicles790trucks · 7.7%
4Lakeview DrivePrimary road · #3 by traffic12,072vehicles778trucks · 6.4%
5MS 7 / MS 333 ScenicTrunk road · 4,158vehicles632trucks · 15.2%
Road class
Trunk road
Congestion ratio
10.3%
Median trip time
47.2 min
Drivers’ median age
40.3 yrs
Drivers’ average income
$46,569

MS 7 / MS 333 Scenic carries through traffic: the median trip using it lasts 47.2 minutes, against 29.2 for the county.

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

GrenadaDepartment 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 Grenada County

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

Need segment-level traffic data?

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