
Total Traffic Volume & Performance in Dallas County, Texas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,931 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.1% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.2 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. | 16.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 41.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $94,405 |
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The average monitored road in Dallas County, Texas carries 7,931 vehicles per day. Across its 4,874 miles of monitored roads, that adds up to 64,467,331 vehicle-miles traveled per day (≈23.5 billion per year). Trucks are a smaller part of the mix than across Texas: 8.1% against 9.8%.
Busier roads than 94% of counties in Texas
Dallas's average daily traffic volume is 15% higher than the state average - 7,931 vehicles per day against 6,895 - suggesting more traffic load per road - a factor worth weighing in site selection and logistics planning. Network-wide, Dallas accounts for about 8.8% of Texas's statewide total of vehicle-miles. By volume, Dallas's 7,931 vehicles per day outpaces 94% of counties in Texas.
At 33.2 minutes, the average travel time matches the state level closely. 64% of counties in Texas have a longer average travel time than Dallas's 33.2 minutes.
The congestion ratio of 16.9% is in line with the state level.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Dallas County, Texas
| Traffic | vehicles per day53,960 |
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| Trucks | 10.6% |
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| Average travel time | 38.7 min |
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| Congestion ratio | 68.9% |
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| Drivers’ average age | 41.5 yrs |
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| Drivers’ average income | $95,404 |
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Highways carry more than half of all travel in Dallas County, Texas (57% of vehicle-miles). The average highway carries 53,960 vehicles per day, 701% more than the average non-highway road in the same area, which carries 6,734 vehicles per day.
That comes from just 15% of the monitored road miles: 719 miles in 3,573 segments, carrying 36,446,677 vehicle-miles traveled per day (≈13.3 billion per year).
No more than 2 other counties in Texas move more traffic on their highways.
More highway trucks than 99% of counties in Texas
At 10.6%, highway truck share is 23% lower than the state average. Trucks are a small share of a very large highway flow, so Dallas still moves heavy freight volumes alongside its passenger traffic.
Dallas's highway truck share (10.6%) is lower than 88% of counties in Texas. 99% of counties in Texas see fewer highway trucks per day than Dallas's roughly 5,709.

Non-highway Traffic in Dallas County, Texas
| Traffic | vehicles per day6,734 |
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| Trucks | 4.8% |
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| Average travel time | 33.1 min |
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| Congestion ratio | 15.6% |
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| Drivers’ average age | 41.2 yrs |
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| Drivers’ average income | $93,423 |
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A significant share of driving in Dallas County, Texas, 43% of vehicle-miles, happens on local roads. A typical local road sees 6,734 vehicles per day.
Spread over 4,155 miles and 137,304 segments, 85% of the road network, local roads carry a lighter load per mile: 28,020,655 vehicle-miles traveled per day (≈10.2 billion per year). The truck share on non-highway roads is 4.8%.
Drivers from higher-income areas than 92% of counties in Texas
Compared to highways, non-highway routes see 55% fewer trucks by share.
The non-highway congestion ratio of 15.6% is in line with the state level.
92% of counties in Texas see lower average driver income among trip origins than Dallas. Dallas's median driver age is lower than 85% of counties in Texas.