
Total Traffic Volume & Performance in St. Bernard Parish, Louisiana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,674 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.6 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 28.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 44.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $64,239 |
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The average monitored road in St. Bernard Parish, Louisiana carries 7,674 vehicles per day. Across its 88 miles of monitored roads, that adds up to 463,934 vehicle-miles traveled per day (≈169 million per year). Traffic here is mostly passenger cars: only 6.6% trucks, against 11.2% across Louisiana.
Busier roads than 89% of counties in Louisiana
St. Bernard's average daily traffic volume is 27% higher than the state average - 7,674 vehicles per day against 6,061 - suggesting more traffic load per road - a busier backdrop for retail sites, at the cost of slower access. In total volume terms, its road network carries about 0.4% of Louisiana's statewide total of vehicle-miles. St. Bernard carries more traffic than 89% of counties in Louisiana.
The average trip takes 32.6 minutes, on par with the state level. 56% of counties in Louisiana have a longer average travel time than St. Bernard's 32.6 minutes.
At 65% higher than the state level, the 28.6% congestion ratio signals more pronounced congestion - expect markedly slower peak-hour deliveries and unreliable arrival times.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in St. Bernard Parish, Louisiana
| Traffic | vehicles per day12,490 |
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| Trucks | 10.9% |
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| Average travel time | 33.1 min |
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| Drivers’ average age | 44.5 yrs |
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| Drivers’ average income | $65,034 |
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Highways carry only a small share of the traffic in St. Bernard Parish, Louisiana, 7% of all vehicle-miles. The average highway carries 12,490 vehicles per day, 66% more than the average non-highway road in the same area, which carries 7,542 vehicles per day.
Highways make up 3% of the monitored road miles (3 miles, 47 segments), so they carry more than their share: 34,733 vehicle-miles traveled per day (≈12.7 million per year).
Lower highway truck share than 85% of counties in Louisiana
The concentration of trucks on highways (10.9%) is 32% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
St. Bernard's highway truck share (10.9%) is lower than 85% of counties in Louisiana. 62% of counties in Louisiana see more highway trucks per day than St. Bernard's roughly 1,366.

Non-highway Traffic in St. Bernard Parish, Louisiana
| Traffic | vehicles per day7,542 |
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| Trucks | 6.2% |
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| Average travel time | 32.5 min |
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| Congestion ratio | 28.6% |
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| Drivers’ average age | 44.5 yrs |
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| Drivers’ average income | $64,198 |
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Nearly all driving in St. Bernard Parish, Louisiana happens on local roads: 93% of every vehicle-mile. The average non-highway road carries 7,542 vehicles per day.
Local roads also make up about 97% of the monitored road miles: 86 miles in 1,727 segments, together carrying 429,201 vehicle-miles traveled per day (≈157 million per year). Trucks make up 6.2% of non-highway traffic, about 1 in 16 vehicles.
Local congestion 69% above the Louisiana average
Non-highway roads carry a truck concentration that's 43% lower than the highway network.
The non-highway congestion ratio of 28.6% is 69% higher than the state level, suggesting slower local mobility than the state average.
51% of counties in Louisiana see higher average driver income among trip origins than St. Bernard. 76% of counties in Louisiana have an older driver population than St. Bernard.