
Total Traffic Volume & Performance in Manassas City, Virginia
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day13,284 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 4.1% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 39.6 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. | 26.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 42.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $133,187 |
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The average monitored road in Manassas City, Virginia carries 13,284 vehicles per day. Across its 40 miles of monitored roads, that adds up to 399,700 vehicle-miles traveled per day (≈146 million per year). Traffic here is mostly passenger cars: only 4.1% trucks, against 9.6% across Virginia.
Traffic 148% above the Virginia average
Manassas sees 148% higher average daily traffic volume than the state average (13,284 vehicles per day against 5,349), suggesting more demand on each road - heavy exposure for roadside retail, and tight road space for deliveries. In total volume terms, its road network carries about 0.2% of Virginia's statewide total of vehicle-miles. Manassas carries more traffic than 98% of counties in Virginia.
The average trip takes 39.6 minutes, 25% higher than the state level. 95% of counties in Virginia have a shorter average travel time than Manassas's 39.6 minutes.
Congestion runs 56% higher than the state level, at a ratio of 26.2%, which means more pronounced congestion - peak-hour routing and delivery windows need real slack here.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Manassas City, Virginia
| Traffic | vehicles per day36,554 |
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| Trucks | 4.7% |
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| Average travel time | 44.8 min |
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| Congestion ratio | 30.0% |
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| Drivers’ average age | 42.6 yrs |
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| Drivers’ average income | $139,679 |
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Highways carry about half of all travel in Manassas City, Virginia, 46% of vehicle-miles. The average highway carries 36,554 vehicles per day, 349% more than the average non-highway road in the same area, which carries 8,133 vehicles per day.
With 21% of the road miles (8 miles in 236 segments), highways punch above their length, carrying 182,108 vehicle-miles traveled per day (≈66.5 million per year).
Lower highway truck share than 99% of counties in Virginia
The concentration of trucks on highways (4.7%) is 64% lower than the state average for similar road classifications. Highways here carry mainly commuter and local trips, with little through freight.
By truck concentration, highways here trail 99% of counties in Virginia. By raw truck volume, Manassas carries fewer highway trucks than 59% of counties in Virginia.

Non-highway Traffic in Manassas City, Virginia
| Traffic | vehicles per day8,133 |
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| Trucks | 3.6% |
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| Average travel time | 38.5 min |
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| Congestion ratio | 25.3% |
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| Drivers’ average age | 42.1 yrs |
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| Drivers’ average income | $127,353 |
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Local roads carry about half of all travel in Manassas City, Virginia, 54% of vehicle-miles. The average non-highway road carries 8,133 vehicles per day.
Local roads make up 79% of the monitored road miles (31 miles in 1,066 segments) but carry less than their share of travel: 217,593 vehicle-miles traveled per day (≈79.4 million per year). The truck share on non-highway roads is 3.6%.
Younger drivers than 95% of counties in Virginia
Non-highway roads carry a truck concentration that's 23% lower than the highway network.
Non-highway congestion (25.3%) runs 62% higher than the state average, pointing to slower local traffic flow.
Trip origins here have higher average income than 94% of counties in Virginia. Manassas's median driver age is lower than 95% of counties in Virginia.