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Traffic heat map of Catawba County, North Carolina: 480 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 40 and US 321

Catawba County, North Carolina Traffic Counts

How busy are the roads of Catawba County, North Carolina? We measure 480 road miles, divided into 11,642 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, I 40, carries 46,822 vehicles a day, 6.4 times the average road. 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 Catawba County, North Carolina

Traffic

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

vehicles per day7,259
Trucks

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

8.1%
Average travel time

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

32.5 min
Congestion ratio

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

19.1%
Drivers’ average age

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

48.6 yrs
Drivers’ average income

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

$69,654

A typical monitored road in Catawba County, North Carolina sees 7,259 vehicles per day, while its 480 miles of monitored roads together handle 4,070,878 vehicle-miles traveled per day (≈1.5 billion per year). About 1 in 12 vehicles is a truck, in line with North Carolina (8.7%).

Busier roads than 84% of counties in North Carolina

Catawba's average daily traffic volume is 15% higher than the state average - 7,259 vehicles per day against 6,332 - a factor worth weighing in site selection and logistics planning. Network-wide, Catawba accounts for about 1.5% of North Carolina's statewide total of vehicle-miles. By volume, Catawba's 7,259 vehicles per day outpaces 84% of counties in North Carolina.

At 32.5 minutes, the average travel time matches the state level closely. 57% of counties in North Carolina have a shorter average travel time than Catawba's 32.5 minutes.

The congestion ratio of 19.1% is in line with the state level.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Catawba County, North Carolina

Trafficvehicles per day12,872
Trucks12.2%
Average travel time43.9 min
Congestion ratio29.8%
Drivers’ average age48.9 yrs
Drivers’ average income$67,242

A significant share of driving in Catawba County, North Carolina, 42% of vehicle-miles, happens on highways. The average highway carries 12,872 vehicles per day, 83% more than the average non-highway road in the same area, which carries 7,052 vehicles per day.

With 22% of the road miles (105 miles in 415 segments), highways punch above their length, carrying 1,724,450 vehicle-miles traveled per day (≈629 million per year).

76% of counties in North Carolina move less traffic on their highways.

More highway trucks than 69% of counties in North Carolina

The concentration of trucks on highways (12.2%) is in line with the state average for similar road classifications. The highway traffic mix is typical for North Carolina: neither freight- nor commuter-dominated.

Catawba's highway truck share (12.2%) is higher than 52% of counties in North Carolina. Catawba's highway truck count is higher than 69% of counties in North Carolina, at roughly 1,570 trucks per day.

non-highway traffic icon

Non-highway Traffic in Catawba County, North Carolina

Trafficvehicles per day7,052
Trucks5.0%
Average travel time32.1 min
Congestion ratio18.7%
Drivers’ average age48.6 yrs
Drivers’ average income$70,788

Local roads carry more than half of all travel in Catawba County, North Carolina (58% of vehicle-miles). The average non-highway road carries 7,052 vehicles per day.

Spread over 375 miles and 11,227 segments, 78% of the road network, local roads carry a lighter load per mile: 2,346,428 vehicle-miles traveled per day (≈856 million per year). The truck share on non-highway roads is 5.0%.

Drivers from higher-income areas than 67% of counties in North Carolina

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

Non-highway congestion (18.7%) runs slightly higher than the state level (6% higher).

Catawba's average driver income is higher than 67% of counties in North Carolina. Catawba's median driver age is lower than 60% of counties in North Carolina.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Catawba County, North Carolina, the peak hour concentrates about 8% of the day's traffic.

Catawba County vs. North Carolina Traffic Comparison

Catawba County stays close to the North Carolina average; the largest gap is its average daily traffic per road, 15% above.

MetricCatawba CountyNorth Carolina averageDifference
Traffic7,2596,332+14.6%
Truck % (Total Traffic)8.1%8.7%-7.6%
Truck % (Highway)12.2%12.1%+1.0%
Avg. Travel Time32.5 min32.3 min+0.7%

How Catawba County compares

Catawba County against nearby counties

Catawba 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 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.

Catawba County and the 4 nearest county-level areas by centroid distance, with the North Carolina average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Catawba County7,2598.1%4,070,87832.5 min19.1%
Alexander County, North Carolina3,6846.3%463,86430.1 min11.7%
Lincoln County, North Carolina6,9527.9%2,106,86032.2 min18.5%
Iredell County, North Carolina7,20111.5%5,678,19931.0 min20.0%
Caldwell County, North Carolina4,6955.9%1,468,64533.0 min12.9%
North Carolina average6,3328.7%N/A32.3 min18.6%

Catawba County ranked within North Carolina

Average daily traffic volume places Catawba County #17 of 100 in North Carolina - the top quarter of the state.

Catawba County ranked among 100 county-level areas in North Carolina (1 = highest); measures without data in every county rank a smaller field, down to 97.
MeasureCatawba CountyNorth Carolina rank
Traffic volume (AADT)7,259#17 of 100
Highway vehicle-miles per day1,724,450#24 of 97
Truck share on highways12.2%#47 of 97
Highway trucks per day1,570#31 of 97
Average travel time32.5 min#44 of 100
Average driver income$69,654#34 of 100
Average driver age48.6 yrs#60 of 100

Busiest roads in Catawba County, North Carolina

The three busiest roads in Catawba County average 36,653 vehicles a day, 5.0 times the county average of 7,259 across all its monitored roads.

I 40 leads with 46,822 vehicles a day, 6,365 of them trucks (13.6%). It tops the truck ranking too, with the most trucks.

NC 150 draws drivers from wealthier areas: their neighborhoods average $101,639 in household income, 46% above the county's $69,654.

I 40 carries longer journeys than most roads here, with a median trip of 46.4 minutes against 32.5 county-wide.

Trucks make up 13.6% of traffic on I 40, against 8.1% across all roads in the county.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 40Motorway · 46,822vehicles6,365trucks · 13.6%
Road class
Motorway
Congestion ratio
50.7%
Median trip time
46.4 min
Drivers’ median age
49.1 yrs
Drivers’ average income
$64,683

Delays build on I 40: its congestion ratio of 51% over free-flow time is well above the county's 19%.

2US 321Trunk road · 39,046vehicles3,012trucks · 7.7%
Road class
Trunk road
Congestion ratio
49.9%
Median trip time
43.9 min
Drivers’ median age
48.6 yrs
Drivers’ average income
$69,117

US 321 carries through traffic: the median trip using it lasts 43.9 minutes, against 32.5 for the county.

32nd Street NortheastPrimary road · 24,090vehicles929trucks · 3.9%
Road class
Primary road
Congestion ratio
35.5%
Median trip time
33.2 min
Drivers’ median age
48.8 yrs
Drivers’ average income
$75,109

At 3.3 times the county average, 2nd Street Northeast draws drivers from neighborhoods averaging $75,109 in household income.

4NC 127Primary road · 23,323vehicles834trucks · 3.6%
Road class
Primary road
Congestion ratio
60.3%
Median trip time
33.2 min
Drivers’ median age
48.7 yrs
Drivers’ average income
$67,799

Travel on NC 127's busiest stretch runs 60% over free-flow time, against 19% across the county, so expect slower peak hours.

5Lenoir Rhyne Boulevard SoutheastSecondary road · 22,139vehicles1,033trucks · 4.7%
Road class
Secondary road
Congestion ratio
50.4%
Median trip time
35.8 min
Drivers’ median age
48.7 yrs
Drivers’ average income
$64,727

The busiest stretch of Lenoir Rhyne Boulevard Southeast carries 3.0 times the county average; trucks are 4.7% of it, below the county-wide 8.1%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 40Motorway · #1 by traffic46,822vehicles6,365trucks · 13.6%
2US 321Trunk road · #2 by traffic39,046vehicles3,012trucks · 7.7%
3Thornburg Drive NortheastTrunk road · 14,746vehicles1,141trucks · 7.7%
Road class
Trunk road
Congestion ratio
19.2%
Median trip time
33.2 min
Drivers’ median age
48.6 yrs
Drivers’ average income
$61,777

On its busiest stretch, Thornburg Drive Northeast carries 2.0 times the county average; trucks are 7.7% of it, in line with the county-wide 8.1%.

4NC 150Primary road · 15,333vehicles1,107trucks · 7.2%
Road class
Primary road
Median trip time
33.0 min
Drivers’ median age
48.5 yrs
Drivers’ average income
$101,639

NC 150 peaks at 15,333 vehicles a day, 2.1 times the county average; trucks are 7.2% of it, below the county-wide 8.1%.

5NC 16Trunk road · 15,953vehicles1,034trucks · 6.5%
Road class
Trunk road
Congestion ratio
21.1%
Median trip time
33.9 min
Drivers’ median age
48.6 yrs
Drivers’ average income
$61,911

NC 16 carries 2.2 times the county average at its busiest, 1,034 of them trucks (6.5%, below the county-wide 8.1%).

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

CatawbaDepartment 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 Catawba County

The same traffic breakdown for the areas closest to Catawba County, North Carolina.

Need segment-level traffic data?

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