
Total Traffic Volume & Performance in Erath County, Texas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,078 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 30.1 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. | 12.1% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $66,982 |
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A typical monitored road in Erath County, Texas sees 4,078 vehicles per day, while its 420 miles of monitored roads together handle 1,306,273 vehicle-miles traveled per day (≈477 million per year). About 1 in 9 vehicles is a truck, in line with Texas (9.8%).
Shorter trips than 94% of counties in Texas
Erath sees 41% lower average daily traffic volume than the state average (4,078 vehicles per day against 6,895), suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Erath accounts for about 0.2% of Texas's statewide total of vehicle-miles. Erath carries more traffic than 70% of counties in Texas.
At 30.1 minutes, the average travel time is 8% lower than the state level. 94% of counties in Texas have a longer average travel time than Erath's 30.1 minutes.
Congestion runs 26% lower than the state level, at a ratio of 12.1%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Erath County, Texas
| Traffic | vehicles per day8,039 |
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| Trucks | 13.1% |
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| Average travel time | 33.1 min |
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| Congestion ratio | 13.6% |
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| Drivers’ average age | 44.1 yrs |
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| Drivers’ average income | $68,527 |
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A little more than half of the driving in Erath County, Texas happens on highways: 62% of all vehicle-miles. The average highway carries 8,039 vehicles per day, 191% more than the average non-highway road in the same area, which carries 2,759 vehicles per day.
With 28% of the road miles (119 miles in 1,199 segments), highways punch above their length, carrying 808,014 vehicle-miles traveled per day (≈295 million per year).
By highway travel volume, Erath outranks 62% of counties in Texas.
Lower highway truck share than 66% of counties in Texas
The concentration of trucks on highways (13.1%) is 5% lower than the state average for similar road classifications. The highway traffic mix is typical for Texas: neither freight- nor commuter-dominated.
Erath's highway truck share (13.1%) is lower than 66% of counties in Texas. Erath's highway truck count is lower than 62% of counties in Texas, at roughly 1,050 trucks per day.

Non-highway Traffic in Erath County, Texas
| Traffic | vehicles per day2,759 |
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| Trucks | 6.8% |
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| Average travel time | 29.1 min |
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| Congestion ratio | 11.6% |
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| Drivers’ average age | 42.3 yrs |
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| Drivers’ average income | $65,175 |
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Local roads carry a significant share of travel in Erath County, Texas: 38% of all vehicle-miles. A typical local road sees 2,759 vehicles per day.
Spread over 301 miles and 3,601 segments, 72% of the road network, local roads carry a lighter load per mile: 498,259 vehicle-miles traveled per day (≈182 million per year). About 1 in 15 vehicles on non-highway roads is a truck (6.8%).
Younger drivers than 68% of counties in Texas
Non-highway roads carry a truck concentration that's 48% lower than the highway network.
The non-highway congestion ratio of 11.6% is 27% lower than the state level, suggesting more efficient local mobility than the state average.
58% of counties in Texas see higher average driver income among trip origins than Erath. Erath's median driver age is lower than 68% of counties in Texas.