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Traffic heat map of St. Helena Parish, Louisiana: 203 miles of roads shaded from blue (light) to red (heavy traffic), busiest on LA 10

St. Helena Parish, Louisiana Traffic Counts

TrafficZoom tracks traffic on 203 road miles in St. Helena Parish, Louisiana, divided into 1,458 segments averaging 736 ft. Trips here are among the 5 longest of any county in Louisiana. 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 St. Helena Parish, Louisiana

Traffic

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

vehicles per day2,195
Trucks

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

9.5%
Average travel time

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

37.7 min
Congestion ratio

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

6.0%
Drivers’ average age

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

45.8 yrs
Drivers’ average income

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

$61,116

The average monitored road in St. Helena Parish, Louisiana carries 2,195 vehicles per day. Across its 203 miles of monitored roads, that adds up to 359,339 vehicle-miles traveled per day (≈131 million per year). Trucks are a smaller part of the mix than across Louisiana: 9.5% against 11.2%.

Longer trips than 94% of counties in Louisiana

St. Helena sees 64% lower average daily traffic volume than the state average (2,195 vehicles per day against 6,061), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 0.3% of Louisiana's statewide total of vehicle-miles. By volume, St. Helena's 2,195 vehicles per day trails 75% of counties in Louisiana.

At 37.7 minutes, the average travel time is 19% higher than the state level. Its average travel time of 37.7 minutes is longer than 94% of counties in Louisiana.

At 65% lower than the state level, the 6.0% congestion ratio signals smoother traffic flow - delays are rare enough to plan travel times almost to the minute.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

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

St. Helena Parish vs. Louisiana Traffic Comparison

The average daily traffic per road sets St. Helena Parish apart: 64% below the Louisiana average. Its average travel time, by contrast, is 19% above.

MetricSt. Helena ParishLouisiana averageDifference
Traffic2,1956,061-63.8%
Truck % (Total Traffic)9.5%11.2%-15.0%
Avg. Travel Time37.7 min31.8 min+18.6%

How St. Helena Parish compares

St. Helena Parish against nearby parishes

Set against the average of the 4 areas nearest to it, St. Helena Parish moves 16.0% of the total daily travel and is 49.3% less congested; it has the fourth busiest roads of the five. Quiet roads and long journeys - a rural pattern, where the distance between destinations rather than the traffic on the way is what takes the time.

St. Helena 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
St. Helena Parish2,1959.5%359,33937.7 min6.0%
Tangipahoa Parish, Louisiana5,67413.0%4,428,33130.3 min16.1%
East Feliciana Parish, Louisiana3,1189.6%524,45635.6 min9.1%
Amite County, Mississippi1,4669.5%231,81234.1 min5.7%
Livingston Parish, Louisiana6,25610.8%3,778,60029.1 min16.6%
Louisiana average6,06111.2%N/A31.8 min17.3%

St. Helena Parish ranked within Louisiana

St. Helena Parish sits in the top quarter of the Louisiana field on average travel time, at #5 of 64.

St. Helena Parish ranked among 64 county-level areas in Louisiana (1 = highest).
MeasureSt. Helena ParishLouisiana rank
Traffic volume (AADT)2,195#48 of 64
Average travel time37.7 min#5 of 64
Average driver income$61,116#39 of 64
Average driver age45.8 yrs#29 of 64

Busiest roads in St. Helena Parish, Louisiana

Traffic concentrates on a few corridors: the three busiest roads average 9,036 vehicles a day, against 2,195 on the average road in St. Helena Parish.

LA 10 leads with 9,522 vehicles a day, 688 of them trucks (7.2%). Zachary Taylor Parkway carries the most trucks, 889 a day (9.7% of its traffic), although it ranks #2 for all traffic.

LA 16 / LA 63 draws drivers from wealthier areas: their neighborhoods average $79,819 in household income, 31% above the county's $61,116, while those on Main Street average $45,612, 25% below it.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1LA 10Primary road · 9,522vehicles688trucks · 7.2%
Road class
Primary road
Congestion ratio
22.0%
Median trip time
35.3 min
Drivers’ median age
49.1 yrs
Drivers’ average income
$46,859

LA 10 is one of the more congested roads here: trips take 22% longer than at free-flow speed, against 6% county-wide.

2Zachary Taylor ParkwayPrimary road · 9,198vehicles889trucks · 9.7%
Road class
Primary road
Median trip time
38.8 min
Drivers’ median age
49.6 yrs
Drivers’ average income
$50,405

Zachary Taylor Parkway carries 4.2 times the county average at its busiest, 889 of them trucks (9.7%, in line with the county-wide 9.5%).

3LA 16Primary road · 8,387vehicles702trucks · 8.4%
Road class
Primary road
Congestion ratio
26.2%
Median trip time
34.0 min
Drivers’ median age
45.3 yrs
Drivers’ average income
$50,173

Delays build on LA 16: its congestion ratio of 26% over free-flow time is well above the county's 6%.

4State Route 11Primary road · 6,786vehicles696trucks · 10.3%
Road class
Primary road
Median trip time
38.9 min
Drivers’ median age
51.0 yrs
Drivers’ average income
$52,589

State Route 11 carries 3.1 times the county average on its busiest stretch, where the median trip lasts 38.9 minutes.

5Main StreetPrimary road · 6,346vehicles512trucks · 8.1%
Road class
Primary road
Congestion ratio
15.3%
Median trip time
32.2 min
Drivers’ median age
48.7 yrs
Drivers’ average income
$45,612

At 2.9 times the county average, Main Street draws drivers from neighborhoods averaging $45,612 in household income.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Zachary Taylor ParkwayPrimary road · #2 by traffic9,198vehicles889trucks · 9.7%
2LA 16Primary road · #3 by traffic8,387vehicles702trucks · 8.4%
3State Route 11Primary road · #4 by traffic6,786vehicles696trucks · 10.3%
4LA 10Primary road · #1 by traffic9,522vehicles688trucks · 7.2%
5LA 16 / LA 63Primary road · 4,563vehicles522trucks · 11.4%
Road class
Primary road
Congestion ratio
10.4%
Median trip time
41.4 min
Drivers’ median age
44.6 yrs
Drivers’ average income
$79,819

The busiest stretch of LA 16 / LA 63 carries 2.1 times the county average; trucks are 11.4% of it, above the county-wide 9.5%.

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

St. HelenaDepartment 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 St. Helena Parish

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

Need segment-level traffic data?

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