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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day3,855 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 10.9% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 34.3 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 12.3% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 46.6 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $63,157 |
The average monitored road in Assumption Parish, Louisiana carries 3,855 vehicles per day. Across its 178 miles of monitored roads, that adds up to 674,880 vehicle-miles traveled per day (≈246 million per year). Trucks are 10.9% of traffic, close to the 11.2% across Louisiana.
Assumption sees 36% lower average daily traffic volume than the state average (3,855 vehicles per day against 6,061), suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Network-wide, Assumption accounts for about 0.6% of Louisiana's statewide total of vehicle-miles. By volume, Assumption's 3,855 vehicles per day outpaces 60% of counties in Louisiana.
At 34.3 minutes, the average travel time is 8% higher than the state level. On travel time, Assumption runs longer than 75% of counties in Louisiana.
Congestion runs 29% lower than the state level, at a ratio of 12.3%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
| Traffic | vehicles per day12,274 |
|---|---|
| Trucks | 18.1% |
| Average travel time | 52.5 min |
| Congestion ratio | 19.0% |
| Drivers’ average age | 46.1 yrs |
| Drivers’ average income | $71,481 |
At 16% of vehicle-miles, highways carry a smaller share of the traffic in Assumption Parish, Louisiana than local roads. The average highway carries 12,274 vehicles per day, 222% more than the average non-highway road in the same area, which carries 3,809 vehicles per day.
That comes from just 4% of the monitored road miles: 8 miles in 12 segments, carrying 108,074 vehicle-miles traveled per day (≈39.4 million per year).
At 18.1%, highway truck share is 13% higher than the state average. The highway traffic mix is typical for Louisiana: neither freight- nor commuter-dominated.
By truck concentration, highways here outrank 62% of counties in Louisiana. Assumption's highway truck count is higher than 64% of counties in Louisiana, at roughly 2,222 trucks per day.
| Traffic | vehicles per day3,809 |
|---|---|
| Trucks | 9.6% |
| Average travel time | 34.2 min |
| Congestion ratio | 12.3% |
| Drivers’ average age | 46.7 yrs |
| Drivers’ average income | $62,531 |
Local roads carry the vast majority of travel in Assumption Parish, Louisiana, 84% of all vehicle-miles. On the average non-highway road, that comes to 3,809 vehicles per day.
Their share of road miles is similar, 96% (170 miles in 2,209 segments), carrying 566,806 vehicle-miles traveled per day (≈207 million per year). Trucks make up 9.6% of non-highway traffic, about 1 in 10 vehicles.
The concentration of trucks on non-highway roads is 47% lower than on highways.
At 27% lower than the state level, the non-highway congestion ratio of 12.3% signals easier movement on local roads.
Trip origins here have lower average income than 54% of counties in Louisiana. Assumption's median driver age is higher than 68% of counties in Louisiana.
The average daily traffic per road sets Assumption Parish apart: 36% below the Louisiana average.
| Metric | Assumption Parish | Louisiana average | Difference |
|---|---|---|---|
| Traffic | 3,855 | 6,061 | -36.4% |
| Truck % (Total Traffic) | 10.9% | 11.2% | -2.4% |
| Truck % (Highway) | 18.1% | 16.1% | +12.8% |
| Avg. Travel Time | 34.3 min | 31.8 min | +7.9% |
Against the 4 nearest areas, Assumption Parish moves 41.5% of the total daily travel; it has the fourth busiest roads of the five.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Assumption Parish | 3,855 | 10.9% | 674,880 | 34.3 min | 12.3% |
| St. James Parish, Louisiana | 4,068 | 14.0% | 955,975 | 34.6 min | 11.0% |
| St. Mary Parish, Louisiana | 3,305 | 12.9% | 1,181,273 | 29.3 min | 11.4% |
| Ascension Parish, Louisiana | 7,402 | 10.8% | 2,826,414 | 30.6 min | 20.0% |
| Iberville Parish, Louisiana | 3,944 | 17.7% | 1,543,201 | 32.9 min | 11.4% |
| Louisiana average | 6,061 | 11.2% | N/A | 31.8 min | 17.3% |
Assumption Parish sits in the bottom quarter of the Louisiana field on highway travel volume, at #52 of 57.
| Measure | Assumption Parish | Louisiana rank |
|---|---|---|
| Traffic volume (AADT) | 3,855 | #26 of 64 |
| Highway vehicle-miles per day | 108,074 | #52 of 57 |
| Truck share on highways | 18.1% | #22 of 57 |
| Highway trucks per day | 2,222 | #21 of 57 |
| Average travel time | 34.3 min | #17 of 64 |
| Average driver income | $63,157 | #35 of 64 |
| Average driver age | 46.6 yrs | #21 of 64 |
Assumption Parish ranks #17 of 64 on average travel time but #52 of 57 on highway travel volume - the two describe the same roads and are worth reading together rather than either on its own.
On their busiest stretches, the three busiest roads in Assumption Parish carry 12,183 vehicles a day on average, 3.2 times the typical road in the county (3,855).
US 90 leads with 14,211 vehicles a day, 3,170 of them trucks (22.3%). Raceland-M C Express is practically level with it at 13,927. It tops the truck ranking too, with the most trucks.
Trucks make up 22.3% of traffic on US 90, against 10.9% across all roads in the county.
US 90 carries longer journeys than most roads here, with a median trip of 53.8 minutes against 34.3 county-wide.
US 90 carries 3.7 times the county average on its busiest stretch, where the median trip lasts 53.8 minutes.
Raceland-M C Express carries through traffic: the median trip using it lasts 51.5 minutes, against 34.3 for the county.
Delays build on LA 70: its congestion ratio of 21% over free-flow time is well above the county's 12%.
Drivers on Raceland-M C Expressway are on long journeys, a median 53.1 minutes against 34.3 county-wide: a through route more than a local street.
At 71% more than the county average, LA 662 draws drivers from neighborhoods averaging $53,272 in household income.
Pierre Part Road is busy by local standards, at 52% more than the county average on its busiest stretch; trucks are 14.0% of it, above the county-wide 10.9%.
The average monitored road in Assumption carries 3,855 vehicles per day, 36% less than the Louisiana average of 6,061.
The driver population in Assumption skews older than 68% of counties in Louisiana.
Trucks make up about 10.9% of all traffic in Assumption Parish, Louisiana, rising to 18.1% on highways, where long-haul freight concentrates.
Drivers on Assumption roads have a median age of 47 years, and the median household income of the neighborhoods trips originate from averages $63,157, 14% below the Louisiana average.
The average trip in Assumption takes 34.3 minutes, 8% longer than the Louisiana average of 31.8 minutes, delays at signals and congestion included.
US 90 carries the most, 14,211 vehicles per day on its busiest stretch, followed by Raceland-M C Express (13,927), LA 70 (8,410), Raceland-M C Expressway (7,615), LA 662 (6,596). Figures are AADT, both directions combined.
US 90, with about 3,170 trucks per day on its busiest stretch, 22.3% of its 14,211 vehicles.
About 14,211 vehicles per day in both directions on its busiest stretch, including 3,170 trucks (22.3%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to Assumption Parish, Louisiana.
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