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Traffic heat map of Iberia Parish, Louisiana: 329 miles of roads shaded from blue (light) to red (heavy traffic), busiest on US 90 and Old Spanish Trail

Iberia Parish, Louisiana Traffic Counts

How busy are the roads of Iberia Parish, Louisiana? We measure 329 road miles, divided into 3,702 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, US 90, carries 21,297 vehicles a day, 5.0 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 Iberia Parish, Louisiana

Traffic

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

vehicles per day4,294
Trucks

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

9.2%
Average travel time

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

33.7 min
Congestion ratio

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

12.9%
Drivers’ average age

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

45.2 yrs
Drivers’ average income

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

$78,724

A typical monitored road in Iberia Parish, Louisiana sees 4,294 vehicles per day, while its 329 miles of monitored roads together handle 1,325,535 vehicle-miles traveled per day (≈484 million per year). Trucks are a smaller part of the mix than across Louisiana: 9.2% against 11.2%.

Busier roads than 67% of counties in Louisiana

Iberia sees 29% lower average daily traffic volume than the state average (4,294 vehicles per day against 6,061), suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. In total volume terms, its road network carries about 1.1% of Louisiana's statewide total of vehicle-miles. 67% of counties in Louisiana see less traffic than Iberia's 4,294 vehicles per day.

The average trip takes 33.7 minutes, 6% higher than the state level. Its average travel time of 33.7 minutes is longer than 67% of counties in Louisiana.

Congestion runs 25% lower than the state level, at a ratio of 12.9%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Iberia Parish, Louisiana

Trafficvehicles per day10,222
Trucks15.8%
Average travel time46.5 min
Congestion ratio22.1%
Drivers’ average age44.7 yrs
Drivers’ average income$78,399

Highways carry a significant share of travel in Iberia Parish, Louisiana: 36% of all vehicle-miles. The average highway carries 10,222 vehicles per day, 146% more than the average non-highway road in the same area, which carries 4,162 vehicles per day.

With 14% of the road miles (44 miles in 81 segments), highways punch above their length, carrying 479,638 vehicle-miles traveled per day (≈175 million per year).

A typical mix of freight and passenger traffic

Highway truck concentration here (15.8%) closely tracks the state average for similar road classifications. The highway traffic mix is typical for Louisiana: neither freight- nor commuter-dominated.

Iberia's highway truck share (15.8%) is lower than 52% of counties in Louisiana. Iberia's highway truck count is higher than 50% of counties in Louisiana, at roughly 1,617 trucks per day.

non-highway traffic icon

Non-highway Traffic in Iberia Parish, Louisiana

Trafficvehicles per day4,162
Trucks5.4%
Average travel time33.4 min
Congestion ratio12.7%
Drivers’ average age45.3 yrs
Drivers’ average income$78,858

A little more than half of the driving in Iberia Parish, Louisiana happens on local roads: 64% of all vehicle-miles. On the average non-highway road, that comes to 4,162 vehicles per day.

Spread over 284 miles and 3,621 segments, 86% of the road network, local roads carry a lighter load per mile: 845,897 vehicle-miles traveled per day (≈309 million per year). Trucks make up 5.4% of non-highway traffic, about 1 in 19 vehicles.

Drivers from higher-income areas than 78% of counties in Louisiana

Non-highway roads carry a truck concentration that's 66% lower than the highway network.

Non-highway congestion (12.7%) runs 25% lower than the state average, pointing to smoother local traffic flow.

Iberia's average driver income is higher than 78% of counties in Louisiana. The driver population here skews younger than 59% of counties in Louisiana.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Iberia Parish, Louisiana, the peak hour concentrates about 7% of the day's traffic.

Iberia Parish vs. Louisiana Traffic Comparison

Of the four measures, average daily traffic per road differs most: Iberia Parish runs 29% below the Louisiana average. Its truck share is also 18% below.

MetricIberia ParishLouisiana averageDifference
Traffic4,2946,061-29.2%
Truck % (Total Traffic)9.2%11.2%-18.1%
Truck % (Highway)15.8%16.1%-1.4%
Avg. Travel Time33.7 min31.8 min+5.9%

How Iberia Parish compares

Iberia Parish against nearby parishes

Nothing in this table sets Iberia Parish sharply apart from the 4 areas nearest to it, though it has the third busiest roads of the five. Smaller and quieter on both counts: a shorter network than the areas around it, carrying lighter traffic across it.

Iberia Parish and the 4 nearest county-level areas by centroid distance, with the Louisiana average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Iberia Parish4,2949.2%1,325,53533.7 min12.9%
Vermilion Parish, Louisiana3,4596.8%955,36231.4 min10.5%
St. Mary Parish, Louisiana3,30512.9%1,181,27329.3 min11.4%
Lafayette Parish, Louisiana11,3079.3%5,966,00733.5 min28.6%
St. Martin Parish, Louisiana4,84614.3%2,053,57130.6 min12.7%
Louisiana average6,06111.2%N/A31.8 min17.3%

Iberia Parish ranked within Louisiana

Iberia Parish sits in the top quarter of the Louisiana field on average driver income, at #15 of 64.

Iberia Parish ranked among 64 county-level areas in Louisiana (1 = highest); measures without data in every county rank a smaller field, down to 57.
MeasureIberia ParishLouisiana rank
Traffic volume (AADT)4,294#22 of 64
Highway vehicle-miles per day479,638#33 of 57
Truck share on highways15.8%#30 of 57
Highway trucks per day1,617#29 of 57
Average travel time33.7 min#22 of 64
Average driver income$78,724#15 of 64
Average driver age45.2 yrs#38 of 64

Busiest roads in Iberia Parish, Louisiana

On their busiest stretches, the three busiest roads in Iberia Parish carry 15,538 vehicles a day on average, 3.6 times the typical road in the county (4,294).

US 90 is the busiest road, at 21,297 vehicles a day, 3,396 of them trucks (15.9%). No other road comes close: Old Spanish Trail, in second place, carries 13,018. It also carries the most trucks.

Freight stands out on US 90: trucks are 15.9% of the traffic there, against 9.2% county-wide.

Trips using US 90 are long: a median of 46.6 minutes against 33.7 county-wide, the mark of a through route.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1US 90Motorway · 21,297vehicles3,396trucks · 15.9%
Road class
Motorway
Congestion ratio
21.7%
Median trip time
46.6 min
Drivers’ median age
44.7 yrs
Drivers’ average income
$78,185

US 90 carries 5.0 times the county average at its busiest, 3,396 of them trucks (15.9%, above the county-wide 9.2%).

2Old Spanish TrailPrimary road · 13,018vehicles800trucks · 6.2%
Road class
Primary road
Congestion ratio
33.6%
Median trip time
30.4 min
Drivers’ median age
44.2 yrs
Drivers’ average income
$86,090

Travel on Old Spanish Trail's busiest stretch runs 34% over free-flow time, against 13% across the county, so expect slower peak hours.

3Abbeville Hwy 14Primary road · 12,299vehicles730trucks · 5.9%
Road class
Primary road
Congestion ratio
29.4%
Median trip time
34.6 min
Drivers’ median age
44.5 yrs
Drivers’ average income
$77,649

Abbeville Hwy 14 carries 2.9 times the county average on its busiest stretch, where the median trip lasts 34.6 minutes.

4Center StreetPrimary road · 12,063vehicles616trucks · 5.1%
Road class
Primary road
Congestion ratio
31.5%
Median trip time
33.8 min
Drivers’ median age
44.6 yrs
Drivers’ average income
$78,080

Center Street is one of the more congested roads here: trips take 32% longer than at free-flow speed, against 13% county-wide.

5Lewis StreetSecondary road · 11,646vehicles448trucks · 3.9%
Road class
Secondary road
Congestion ratio
30.4%
Median trip time
33.1 min
Drivers’ median age
45.7 yrs
Drivers’ average income
$86,352

At 2.7 times the county average, Lewis Street draws drivers from neighborhoods averaging $86,352 in household income.

Ranked by trucks per day

Cars and light vehiclesTrucks
1US 90Motorway · #1 by traffic21,297vehicles3,396trucks · 15.9%
2Old Spanish TrailPrimary road · #2 by traffic13,018vehicles800trucks · 6.2%
3Abbeville Hwy 14Primary road · #3 by traffic12,299vehicles730trucks · 5.9%
4LA 14Primary road · 8,175vehicles642trucks · 7.8%
Road class
Primary road
Congestion ratio
20.7%
Median trip time
33.7 min
Drivers’ median age
45.3 yrs
Drivers’ average income
$69,575

At 90% more than the county average, LA 14 draws drivers from neighborhoods averaging $69,575 in household income.

5Center StreetPrimary road · #4 by traffic12,063vehicles616trucks · 5.1%
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

IberiaDepartment 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 Iberia Parish

The same traffic breakdown for the areas closest to Iberia Parish, Louisiana.

Need segment-level traffic data?

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