This page delivers traffic analytics for Carroll County, Maryland. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Carroll County, Maryland among 633 road miles divided in 16,489 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 203 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
4,520
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.9 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
13.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$122,076
Our data indicates an estimated average traffic volume of 4,520 vehicles per day in Carroll County, Maryland that results in 3,223,156 vehicle-miles traveled per day (≈1.2 billion per year). The traffic stream is comprised of an average of 1 truck for every 15 vehicles. Typical time spent behind the wheel per trip is 31.9 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Maryland state averages: Carroll's average daily traffic volume is 41% lower than the state average - 4,520 vehicles per day against 7,693 - suggesting less traffic load per road, a critical factor for logistics and site planning. Across the whole network that adds up to 3,223,156 vehicle-miles traveled per day (≈1.2 billion per year), roughly 2.4% of Maryland's statewide total. The average trip takes 31.9 minutes, 6% lower than the state level. The congestion ratio of 13.4% is 35% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. 35% of counties in Maryland see less traffic than Carroll's 4,520 vehicles per day. Its average travel time of 31.9 minutes is longer than 33% of counties in Maryland.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
14,467
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.8 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
37.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$115,699
A significant volume of traffic in Carroll County, Maryland utilizes the highway network. The average highway carries 14,467 vehicles per day, 316% more than the average non-highway road in the same area, which carries 3,481 vehicles per day. That average covers 83 highway road miles divided in 1,559 segments (average segment length 281 ft), together carrying 1,312,418 vehicle-miles traveled per day (≈479 million per year). Trucks constitute 8.6% of highway traffic.
Analytical insight
The concentration of trucks on highways (8.6%) is 12% lower than the state average for similar road classifications. This indicates Carroll serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 37% of counties in Maryland see a lower highway truck share than Carroll's 8.6%. By raw truck volume, Carroll carries more highway trucks than 43% of counties in Maryland.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
3,481
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.7 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
10.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$126,307
The non-highway road network in Carroll County, Maryland supports a substantial volume of traffic. The average non-highway road carries 3,481 vehicles per day, 76% less than the average highway in the same area, which carries 14,467 vehicles per day. That average covers 550 non-highway road miles divided in 14,930 segments (average segment length 195 ft), together carrying 1,910,738 vehicle-miles traveled per day (≈697 million per year). Trucks constitute 5.0% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 41% fewer trucks by share. The non-highway congestion ratio of 10.9% is 43% lower than the state level, suggesting more efficient local mobility than the state average. Overall, average travel time here is longer than 33% of counties in Maryland. Trip origins here have higher average income than 70% of counties in Maryland. The driver population here skews older than 65% of counties in Maryland.
Time-of-Day & Seasonal Patterns
Analytical insight
In Carroll County, Maryland, the peak hour concentrates about 8% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Carroll
Maryland
Average
Difference
Traffic
4,520
7,693
-41.2%
Truck % (Total Traffic)
6.5%
7.5%
-13.5%
Truck % (Highway)
8.6%
9.8%
-12.1%
Avg. Travel Time
31.9 min
34.0 min
-6.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 4,520 vehicles per day, providing a baseline for daily operations and site assessment.
Carroll's average travel time of 31.9 minutes is longer than 33% of counties in Maryland.
Weekday peaks occur between 7:00 AM and 9:00 AM in the morning and between 4:00 PM and 6:00 PM in the evening - about 85% above the daily average.
Drivers on Carroll roads have a median age of 49 years, and the median household income of the neighborhoods trips originate from averages $122,076 - useful context for retail siting and customer profiling.
Trucks account for approximately 6.5% of the total traffic mix across all road types, with a significantly higher concentration of 8.6% on highways.
Approximately 17% of highway traffic and 7% of non-highway traffic consists of vehicles whose trip originates outside Carroll County, Maryland. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
The average travel time for drivers is 31.9 minutes, offering a standard metric for commute and delivery route planning.
Data Sources & Methodology
The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:
Mobile device location data (anonymized and aggregated)
