
Total Traffic Volume & Performance in Frederick County, Maryland
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,813 |
|---|
Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.1% |
|---|
Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 30.0 min |
|---|
Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 14.4% |
|---|
Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.8 yrs |
|---|
Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $130,037 |
|---|
A typical monitored road in Frederick County, Maryland sees 4,813 vehicles per day, while its 956 miles of monitored roads together handle 7,587,142 vehicle-miles traveled per day (≈2.8 billion per year). At 9.1%, the truck share runs above the 7.5% across Maryland: about 1 in 11 vehicles.
Shorter trips than 91% of counties in Maryland
Frederick's average daily traffic volume is 37% lower than the state average - 4,813 vehicles per day against 7,693 - suggesting less traffic load per road - less drive-by exposure for retail, but easier access for deliveries. Network-wide, Frederick accounts for about 5.5% of Maryland's statewide total of vehicle-miles. 52% of counties in Maryland see more traffic than Frederick's 4,813 vehicles per day.
The average trip takes 30.0 minutes, 12% lower than the state level. 91% of counties in Maryland have a longer average travel time than Frederick's 30.0 minutes.
Congestion runs 30% lower than the state level, at a ratio of 14.4%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Frederick County, Maryland
| Traffic | vehicles per day23,043 |
|---|
| Trucks | 11.7% |
|---|
| Average travel time | 42.7 min |
|---|
| Congestion ratio | 43.5% |
|---|
| Drivers’ average age | 46.2 yrs |
|---|
| Drivers’ average income | $123,103 |
|---|
Highways carry more than half of all travel in Frederick County, Maryland (60% of vehicle-miles). The average highway carries 23,043 vehicles per day, 457% more than the average non-highway road in the same area, which carries 4,138 vehicles per day.
Yet highways are only 19% of the road network, 178 miles in 721 segments, so each mile of them is 3.3 times as busy as the average road mile.
That is more highway travel volume than 78% of counties in Maryland.
Higher highway truck share than 70% of counties in Maryland
Highway truck concentration here runs 20% higher than the state average, at 11.7%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
70% of counties in Maryland see a lower highway truck share than Frederick's 11.7%. By raw truck volume, Frederick carries more highway trucks than 65% of counties in Maryland.

Non-highway Traffic in Frederick County, Maryland
| Traffic | vehicles per day4,138 |
|---|
| Trucks | 5.1% |
|---|
| Average travel time | 29.5 min |
|---|
| Congestion ratio | 13.3% |
|---|
| Drivers’ average age | 45.3 yrs |
|---|
| Drivers’ average income | $136,638 |
|---|
Local roads carry a significant share of travel in Frederick County, Maryland: 40% of all vehicle-miles. A typical local road sees 4,138 vehicles per day.
Spread over 779 miles and 19,452 segments, 81% of the road network, local roads carry a lighter load per mile: 3,008,009 vehicle-miles traveled per day (≈1.1 billion per year). Trucks make up 5.1% of non-highway traffic, about 1 in 20 vehicles.
Drivers from higher-income areas than 83% of counties in Maryland
Non-highway roads carry a truck concentration that's 57% lower than the highway network.
Non-highway congestion (13.3%) runs 31% lower than the state average, pointing to smoother local traffic flow.
83% of counties in Maryland see lower average driver income among trip origins than Frederick. Frederick's median driver age is lower than 70% of counties in Maryland.