
Total Traffic Volume & Performance in Lafayette Parish, Louisiana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day11,307 |
|---|
Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.3% |
|---|
Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.5 min |
|---|
Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 28.6% |
|---|
Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.7 yrs |
|---|
Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $85,255 |
|---|
Our data shows 11,307 vehicles per day on the average road in Lafayette Parish, Louisiana, and 5,966,007 vehicle-miles traveled per day (≈2.2 billion per year) across its 592 miles of monitored roads. Trucks are a smaller part of the mix than across Louisiana: 9.3% against 11.2%.
The busiest roads of any county in Louisiana
Lafayette's average daily traffic volume is 87% higher than the state average - 11,307 vehicles per day against 6,061 - suggesting more traffic load per road - prime passing trade for storefronts, with more competition for road space. Network-wide, Lafayette accounts for about 4.9% of Louisiana's statewide total of vehicle-miles. Lafayette stands out as having the highest traffic volume in Louisiana - 11,307 vehicles per day.
Journey times run 5% higher than the state level, at 33.5 minutes on average. On travel time, Lafayette runs longer than 62% of counties in Louisiana.
At 66% 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 Lafayette Parish, Louisiana
| Traffic | vehicles per day24,554 |
|---|
| Trucks | 18.3% |
|---|
| Average travel time | 40.0 min |
|---|
| Congestion ratio | 51.6% |
|---|
| Drivers’ average age | 44.2 yrs |
|---|
| Drivers’ average income | $75,705 |
|---|
Highways carry a significant share of travel in Lafayette Parish, Louisiana: 36% of all vehicle-miles. The average highway carries 24,554 vehicles per day, 127% more than the average non-highway road in the same area, which carries 10,820 vehicles per day.
Highways make up 14% of the monitored road miles (82 miles, 347 segments), so they carry more than their share: 2,125,152 vehicle-miles traveled per day (≈776 million per year).
By highway travel volume, Lafayette outranks 86% of counties in Louisiana.
More highway trucks than 98% of counties in Louisiana
Highway truck concentration here runs 14% higher than the state average, at 18.3%. The highway traffic mix is typical for Louisiana: neither freight- nor commuter-dominated.
By truck concentration, highways here outrank 66% of counties in Louisiana. 98% of counties in Louisiana see fewer highway trucks per day than Lafayette's roughly 4,503.

Non-highway Traffic in Lafayette Parish, Louisiana
| Traffic | vehicles per day10,820 |
|---|
| Trucks | 4.3% |
|---|
| Average travel time | 33.3 min |
|---|
| Congestion ratio | 27.8% |
|---|
| Drivers’ average age | 43.5 yrs |
|---|
| Drivers’ average income | $88,405 |
|---|
A little more than half of the driving in Lafayette Parish, Louisiana happens on local roads: 64% of all vehicle-miles. A typical local road sees 10,820 vehicles per day.
Local roads make up 86% of the monitored road miles (510 miles in 9,436 segments) but carry less than their share of travel: 3,840,855 vehicle-miles traveled per day (≈1.4 billion per year). The truck share on non-highway roads is 4.3%.
Drivers from higher-income areas than 95% of counties in Louisiana
The concentration of trucks on non-highway roads is 77% lower than on highways.
At 65% higher than the state level, the non-highway congestion ratio of 27.8% signals more friction on local roads.
95% of counties in Louisiana see lower average driver income among trip origins than Lafayette. 84% of counties in Louisiana have an older driver population than Lafayette.