
Total Traffic Volume & Performance in Allegany County, Maryland
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,465 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 13.3% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.9 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. | 17.1% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $64,232 |
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The average monitored road in Allegany County, Maryland carries 4,465 vehicles per day. Across its 346 miles of monitored roads, that adds up to 1,830,802 vehicle-miles traveled per day (≈668 million per year). Freight weighs heavily here: trucks are 13.3% of traffic, against 7.5% across Maryland.
Traffic 42% below the Maryland average
Allegany's average daily traffic volume is 42% lower than the state average - 4,465 vehicles per day against 7,693 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Allegany accounts for about 1.3% of Maryland's statewide total of vehicle-miles. By volume, Allegany's 4,465 vehicles per day trails 70% of counties in Maryland.
Journey times run 6% lower than the state level, at 31.9 minutes on average. 67% of counties in Maryland have a longer average travel time than Allegany's 31.9 minutes.
At 16% lower than the state level, the 17.1% congestion ratio signals smoother traffic flow - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Allegany County, Maryland
| Traffic | vehicles per day7,484 |
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| Trucks | 18.4% |
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| Average travel time | 41.6 min |
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| Congestion ratio | 24.1% |
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| Drivers’ average age | 49.3 yrs |
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| Drivers’ average income | $65,066 |
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Highways carry more than half of all travel in Allegany County, Maryland (59% of vehicle-miles). The average highway carries 7,484 vehicles per day, 82% more than the average non-highway road in the same area, which carries 4,101 vehicles per day.
With 33% of the road miles (113 miles in 582 segments), highways punch above their length, carrying 1,084,748 vehicle-miles traveled per day (≈396 million per year).
Freight-heavy highways
At 18.4%, highway truck share is 89% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 91% of counties in Maryland. By raw truck volume, Allegany carries more highway trucks than 57% of counties in Maryland.

Non-highway Traffic in Allegany County, Maryland
| Traffic | vehicles per day4,101 |
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| Trucks | 5.8% |
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| Average travel time | 30.7 min |
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| Congestion ratio | 16.3% |
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| Drivers’ average age | 49.0 yrs |
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| Drivers’ average income | $63,705 |
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Local roads carry a significant share of travel in Allegany County, Maryland: 41% of all vehicle-miles. On the average non-highway road, that comes to 4,101 vehicles per day.
Spread over 233 miles and 4,823 segments, 67% of the road network, local roads carry a lighter load per mile: 746,054 vehicle-miles traveled per day (≈272 million per year). About 1 in 17 vehicles on non-highway roads is a truck (5.8%).
The lowest driver income of any county in Maryland
Non-highway roads carry a truck concentration that's 69% lower than the highway network.
Non-highway congestion (16.3%) runs slightly lower than the state level (15% lower).
At $64,232, the average driver income for trips originating here is the lowest in Maryland. 70% of counties in Maryland have a younger driver population than Allegany.