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Traffic heat map of Tangipahoa Parish, Louisiana: 674 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 12 and I 55

Tangipahoa Parish, Louisiana Traffic Counts

Traffic analytics for Tangipahoa Parish, Louisiana, calculated from real-world mobile and sensor networks on 11,644 road segments (674 road miles, about 305 ft each). Its busiest road, I 12, carries 49,526 vehicles a day, 8.7 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 Tangipahoa Parish, Louisiana

Traffic

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

vehicles per day5,674
Trucks

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

13.0%
Average travel time

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

30.3 min
Congestion ratio

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

16.1%
Drivers’ average age

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

43.8 yrs
Drivers’ average income

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

$66,311

A typical monitored road in Tangipahoa Parish, Louisiana sees 5,674 vehicles per day, while its 674 miles of monitored roads together handle 4,428,331 vehicle-miles traveled per day (≈1.6 billion per year). At 13.0%, the truck share runs above the 11.2% across Louisiana: about 1 in 8 vehicles.

Shorter trips than 84% of counties in Louisiana

Tangipahoa's average daily traffic volume is 6% lower than the state average - 5,674 vehicles per day against 6,061. Network-wide, Tangipahoa accounts for about 3.6% of Louisiana's statewide total of vehicle-miles. Tangipahoa carries more traffic than 75% of counties in Louisiana.

At 30.3 minutes, the average travel time matches the state level closely. On travel time, Tangipahoa runs shorter than 84% of counties in Louisiana.

The congestion ratio of 16.1% runs slightly lower than the state level (7% lower).

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Tangipahoa Parish, Louisiana

Trafficvehicles per day16,878
Trucks18.5%
Average travel time43.6 min
Congestion ratio37.1%
Drivers’ average age44.3 yrs
Drivers’ average income$68,398

A little more than half of the driving in Tangipahoa Parish, Louisiana happens on highways: 55% of all vehicle-miles. The average highway carries 16,878 vehicles per day, 209% more than the average non-highway road in the same area, which carries 5,460 vehicles per day.

With 22% of the road miles (148 miles in 219 segments), highways punch above their length, carrying 2,452,407 vehicle-miles traveled per day (≈895 million per year).

By highway travel volume, Tangipahoa outranks 88% of counties in Louisiana.

More highway trucks than 73% of counties in Louisiana

Highway truck concentration here runs 15% higher than the state average, at 18.5%. Highways here lean toward freight, so highway access is a real asset for logistics operators.

Tangipahoa's highway truck share (18.5%) is higher than 70% of counties in Louisiana. By raw truck volume, Tangipahoa carries more highway trucks than 73% of counties in Louisiana.

non-highway traffic icon

Non-highway Traffic in Tangipahoa Parish, Louisiana

Trafficvehicles per day5,460
Trucks6.1%
Average travel time30.1 min
Congestion ratio15.7%
Drivers’ average age43.6 yrs
Drivers’ average income$64,722

Local roads carry a significant share of travel in Tangipahoa Parish, Louisiana: 45% of all vehicle-miles. On the average non-highway road, that comes to 5,460 vehicles per day.

Spread over 526 miles and 11,425 segments, 78% of the road network, local roads carry a lighter load per mile: 1,975,924 vehicle-miles traveled per day (≈721 million per year). About 1 in 16 vehicles on non-highway roads is a truck (6.1%).

Younger drivers than 83% of counties in Louisiana

Compared to highways, non-highway routes see 67% fewer trucks by share.

Non-highway congestion (15.7%) runs slightly lower than the state level (7% lower).

52% of counties in Louisiana see lower average driver income among trip origins than Tangipahoa. The driver population here skews younger than 83% of counties in Louisiana.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 9:00 AM–12:00 PM and PM peak 12:00 PM–2:00 PM, with volumes reaching approximately 63% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 21% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
Traffic is nearly flat through the year: even February–April, the busiest stretch, runs only +3% versus the annual average.
Lowest month:
January is the quietest month, with volumes -6% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Tangipahoa Parish, Louisiana, the peak hour concentrates about 7% of the day's traffic, and traffic stays steady through the year (+3% in high season).

Tangipahoa Parish vs. Louisiana Traffic Comparison

Of the four measures, truck share differs most: Tangipahoa Parish runs 16% above the Louisiana average. Its highway truck share is also 15% above.

MetricTangipahoa ParishLouisiana averageDifference
Traffic5,6746,061-6.4%
Truck % (Total Traffic)13.0%11.2%+15.9%
Truck % (Highway)18.5%16.1%+15.2%
Avg. Travel Time30.3 min31.8 min-4.7%

How Tangipahoa Parish compares

Tangipahoa Parish has a higher truck share than any nearby parish

Nothing in this table sets Tangipahoa Parish 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.

Tangipahoa 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
Tangipahoa Parish5,67413.0%4,428,33130.3 min16.1%
St. Helena Parish, Louisiana2,1959.5%359,33937.7 min6.0%
Livingston Parish, Louisiana6,25610.8%3,778,60029.1 min16.6%
Washington Parish, Louisiana3,2647.5%913,36532.6 min10.7%
St. Tammany Parish, Louisiana7,3299.8%7,296,39630.8 min19.4%
Louisiana average6,06111.2%N/A31.8 min17.3%

Tangipahoa Parish ranked within Louisiana

Highway travel volume places Tangipahoa Parish #8 of 57 in Louisiana - the top quarter of the state.

Tangipahoa Parish ranked among 64 county-level areas in Louisiana (1 = highest); measures without data in every county rank a smaller field, down to 57.
MeasureTangipahoa ParishLouisiana rank
Traffic volume (AADT)5,674#17 of 64
Highway vehicle-miles per day2,452,407#8 of 57
Truck share on highways18.5%#18 of 57
Highway trucks per day3,121#16 of 57
Average travel time30.3 min#54 of 64
Average driver income$66,311#31 of 64
Average driver age43.8 yrs#53 of 64

The two ends of this table sit far apart: #8 of 57 on highway travel volume, against #54 of 64 on average travel time.

Busiest roads in Tangipahoa Parish, Louisiana

Traffic concentrates on a few corridors: the three busiest roads average 33,564 vehicles a day, against 5,674 on the average road in Tangipahoa Parish.

I 12 is the busiest road, at 49,526 vehicles a day, 8,540 of them trucks (17.2%). That is 85% more than the next road, I 55 (26,786). It tops the truck ranking too, with the most trucks.

Trips using I 55 are long: a median of 47.8 minutes against 30.3 county-wide, the mark of a through route.

Trucks make up 20.0% of traffic on I 55, against 13.0% across all roads in the county.

Few trucks use Pine Street: 6.1% of its traffic, under half the county's 13.0%.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 12Motorway · 49,526vehicles8,540trucks · 17.2%
Road class
Motorway
Congestion ratio
56.4%
Median trip time
43.8 min
Drivers’ median age
44.2 yrs
Drivers’ average income
$73,084

Travel on I 12's busiest stretch runs 56% over free-flow time, against 16% across the county, so expect slower peak hours.

2I 55Motorway · 26,786vehicles5,351trucks · 20.0%
Road class
Motorway
Congestion ratio
29.1%
Median trip time
47.8 min
Drivers’ median age
44.3 yrs
Drivers’ average income
$70,644

On its busiest stretch, I 55 carries 4.7 times the county average; trucks are 20.0% of it, above the county-wide 13.0%.

3Pine StreetPrimary road · 24,380vehicles1,486trucks · 6.1%
Road class
Primary road
Congestion ratio
51.4%
Median trip time
28.7 min
Drivers’ median age
44.2 yrs
Drivers’ average income
$74,372

Pine Street is one of the more congested roads here: trips take 51% longer than at free-flow speed, against 16% county-wide.

4Morrison BoulevardSecondary road · 20,604vehicles858trucks · 4.2%
Road class
Secondary road
Congestion ratio
25.2%
Median trip time
34.9 min
Drivers’ median age
43.8 yrs
Drivers’ average income
$58,117

Morrison Boulevard peaks at 20,604 vehicles a day, 3.6 times the county average; trucks are 4.2% of it, below the county-wide 13.0%.

5Southwest Railroad AvenuePrimary road · 19,382vehicles904trucks · 4.7%
Road class
Primary road
Congestion ratio
50.6%
Median trip time
31.1 min
Drivers’ median age
44.7 yrs
Drivers’ average income
$60,523

Southwest Railroad Avenue carries 3.4 times the county average at its busiest, 904 of them trucks (4.7%, below the county-wide 13.0%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 12Motorway · #1 by traffic49,526vehicles8,540trucks · 17.2%
2I 55Motorway · #2 by traffic26,786vehicles5,351trucks · 20.0%
3Pine StreetPrimary road · #3 by traffic24,380vehicles1,486trucks · 6.1%
4Oak StreetPrimary road · 16,972vehicles1,194trucks · 7.0%
Road class
Primary road
Congestion ratio
24.2%
Median trip time
31.0 min
Drivers’ median age
44.4 yrs
Drivers’ average income
$58,537

Oak Street carries 3.0 times the county average on its busiest stretch, where the median trip lasts 31.0 minutes.

5Southwest Railroad AvenuePrimary road · #5 by traffic19,382vehicles904trucks · 4.7%
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

TangipahoaDepartment 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 Tangipahoa Parish

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

Need segment-level traffic data?

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