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Traffic | vehicles per day7,329 |
|---|---|
Trucks | 9.8% |
Average travel time | 30.8 min |
Congestion ratio | 19.4% |
Drivers’ average age | 47.8 yrs |
Drivers’ average income | $84,214 |
Our data shows 7,329 vehicles per day on the average road in St. Tammany Parish, Louisiana, and 7,296,396 vehicle-miles traveled per day (≈2.7 billion per year) across its 801 miles of monitored roads. About 1 in 10 vehicles is a truck, in line with Louisiana (11.2%).
At 7,329 vehicles per day, the average monitored road in St. Tammany carries 21% more traffic than the state average of 6,061, suggesting more demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries about 6.0% of Louisiana's statewide total of vehicle-miles. 86% of counties in Louisiana see less traffic than St. Tammany's 7,329 vehicles per day.
Journey times here (30.8 minutes on average) closely track the state level. Its average travel time of 30.8 minutes is shorter than 76% of counties in Louisiana.
Congestion is somewhat higher than the state level, at a ratio of 19.4% (12% higher) - relevant for traffic control and delivery planning.
| Traffic | vehicles per day21,903 |
|---|---|
| Trucks | 14.1% |
| Average travel time | 39.0 min |
| Congestion ratio | 40.0% |
| Drivers’ average age | 47.4 yrs |
| Drivers’ average income | $82,889 |
Highways carry about half of all travel in St. Tammany Parish, Louisiana, 53% of vehicle-miles. The average highway carries 21,903 vehicles per day, 211% more than the average non-highway road in the same area, which carries 7,041 vehicles per day.
Highways make up 21% of the monitored road miles (168 miles, 316 segments), so they carry more than their share: 3,892,824 vehicle-miles traveled per day (≈1.4 billion per year).
That puts St. Tammany among the top 5 counties in Louisiana for highway travel volume.
The concentration of trucks on highways (14.1%) is 12% lower than the state average for similar road classifications. The highway traffic mix is typical for Louisiana: neither freight- nor commuter-dominated.
St. Tammany's highway truck share (14.1%) is lower than 59% of counties in Louisiana. St. Tammany's highway truck count is higher than 77% of counties in Louisiana, at roughly 3,086 trucks per day.
| Traffic | vehicles per day7,041 |
|---|---|
| Trucks | 4.8% |
| Average travel time | 30.6 min |
| Congestion ratio | 19.0% |
| Drivers’ average age | 47.8 yrs |
| Drivers’ average income | $85,068 |
Local roads carry about half of all travel in St. Tammany Parish, Louisiana, 47% of vehicle-miles. A typical local road sees 7,041 vehicles per day.
Spread over 633 miles and 15,981 segments, 79% of the road network, local roads carry a lighter load per mile: 3,403,571 vehicle-miles traveled per day (≈1.2 billion per year). The truck share on non-highway roads is 4.8%.
Compared to highways, non-highway routes see 66% fewer trucks by share.
Non-highway congestion (19.0%) runs slightly higher than the state level (13% higher).
90% of counties in Louisiana see lower average driver income among trip origins than St. Tammany. St. Tammany's median driver age is higher than 87% of counties in Louisiana.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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