
Total Traffic Volume & Performance in Caroline County, Maryland
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,756 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.5 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. | 11.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 50.2 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $74,400 |
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A typical monitored road in Caroline County, Maryland sees 3,756 vehicles per day, while its 248 miles of monitored roads together handle 936,469 vehicle-miles traveled per day (≈342 million per year). At 9.6%, the truck share runs above the 7.5% across Maryland: about 1 in 10 vehicles.
Quieter roads than 83% of counties in Maryland
At 3,756 vehicles per day, the average monitored road in Caroline carries 51% less traffic than the state average of 7,693, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.7% of Maryland's statewide total. Caroline carries less traffic than 83% of counties in Maryland.
The average trip takes 34.5 minutes, on par with the state level. On travel time, Caroline runs longer than 70% of counties in Maryland.
Congestion runs 44% lower than the state level, at a ratio of 11.4%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Caroline County, Maryland
| Traffic | vehicles per day10,395 |
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| Trucks | 12.7% |
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| Average travel time | 62.8 min |
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| Congestion ratio | 25.8% |
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| Drivers’ average age | 50.7 yrs |
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| Drivers’ average income | $78,113 |
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Highways carry a significant share of travel in Caroline County, Maryland: 34% of all vehicle-miles. The average highway carries 10,395 vehicles per day, 210% more than the average non-highway road in the same area, which carries 3,356 vehicles per day.
With 12% of the road miles (31 miles in 278 segments), highways punch above their length, carrying 316,414 vehicle-miles traveled per day (≈115 million per year).
Higher highway truck share than 74% of counties in Maryland
The concentration of trucks on highways (12.7%) is 30% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Caroline's highway truck share (12.7%) is higher than 74% of counties in Maryland. By raw truck volume, Caroline carries fewer highway trucks than 61% of counties in Maryland.

Non-highway Traffic in Caroline County, Maryland
| Traffic | vehicles per day3,356 |
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| Trucks | 8.1% |
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| Average travel time | 32.8 min |
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| Congestion ratio | 10.5% |
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| Drivers’ average age | 50.0 yrs |
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| Drivers’ average income | $73,342 |
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Local roads carry more than half of all travel in Caroline County, Maryland (66% of vehicle-miles). A typical local road sees 3,356 vehicles per day.
Spread over 217 miles and 4,617 segments, 88% of the road network, local roads carry a lighter load per mile: 620,055 vehicle-miles traveled per day (≈226 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.1%).
Drivers from lower-income areas than 83% of counties in Maryland
The concentration of trucks on non-highway roads is 36% lower than on highways.
Non-highway congestion (10.5%) runs 45% lower than the state average, pointing to smoother local traffic flow.
83% of counties in Maryland see higher average driver income among trip origins than Caroline. 78% of counties in Maryland have a younger driver population than Caroline.