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Traffic heat map of Prince George's County, Maryland: 1,259 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 95 and Capital Beltway

Prince George's County, Maryland Traffic Counts

It has the busiest roads of any county in Maryland, averaging 11,076 vehicles a day. This page breaks down traffic in Prince George's County, Maryland across 1,259 miles of monitored roads split into 33,637 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Prince George's County, Maryland

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day11,076
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

6.7%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

34.9 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

24.7%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

44.5 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$118,915

The average monitored road in Prince George's County, Maryland carries 11,076 vehicles per day. Across its 1,259 miles of monitored roads, that adds up to 21,646,151 vehicle-miles traveled per day (≈7.9 billion per year). About 1 in 15 vehicles is a truck, in line with Maryland (7.5%).

The busiest roads of any county in Maryland

At 11,076 vehicles per day, the average monitored road in Prince George's carries 44% more traffic than the state average of 7,693, suggesting more demand on each road - a busier backdrop for retail sites, at the cost of slower access. In total volume terms, its road network carries about 16% of Maryland's statewide total of vehicle-miles. At 11,076 vehicles per day, Prince George's posts the highest average traffic volume in Maryland.

At 34.9 minutes, the average travel time matches the state level closely. Its average travel time of 34.9 minutes is longer than 78% of counties in Maryland.

Congestion runs 21% higher than the state level, at a ratio of 24.7%, which means more pronounced congestion - relevant for traffic control and delivery planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Prince George's County, Maryland

Trafficvehicles per day36,389
Trucks8.3%
Average travel time41.9 min
Congestion ratio55.6%
Drivers’ average age45.3 yrs
Drivers’ average income$124,392

Highways carry more than half of all travel in Prince George's County, Maryland (59% of vehicle-miles). The average highway carries 36,389 vehicles per day, 275% more than the average non-highway road in the same area, which carries 9,693 vehicles per day.

With 23% of the road miles (289 miles in 1,742 segments), highways punch above their length, carrying 12,831,722 vehicle-miles traveled per day (≈4.7 billion per year).

No county in Maryland moves more traffic on its highways.

More highway trucks than 91% of counties in Maryland

The concentration of trucks on highways (8.3%) is 15% lower than the state average for similar road classifications. The highway traffic mix is typical for Maryland: neither freight- nor commuter-dominated.

Prince George's's highway truck share (8.3%) is lower than 70% of counties in Maryland. By raw truck volume, Prince George's carries more highway trucks than 91% of counties in Maryland.

non-highway traffic icon

Non-highway Traffic in Prince George's County, Maryland

Trafficvehicles per day9,693
Trucks4.3%
Average travel time34.5 min
Congestion ratio23.0%
Drivers’ average age43.4 yrs
Drivers’ average income$113,515

A significant share of driving in Prince George's County, Maryland, 41% of vehicle-miles, happens on local roads. The average non-highway road carries 9,693 vehicles per day.

Local roads make up 77% of the monitored road miles (970 miles in 31,895 segments) but carry less than their share of travel: 8,814,428 vehicle-miles traveled per day (≈3.2 billion per year). The truck share on non-highway roads is 4.3%.

Younger drivers than 91% of counties in Maryland

The concentration of trucks on non-highway roads is 49% lower than on highways.

Non-highway congestion (23.0%) runs 20% higher than the state average, pointing to slower local traffic flow.

Trip origins here have higher average income than 65% of counties in Maryland. 91% of counties in Maryland have an older driver population than Prince George's.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
A long morning plateau from 7:00 AM to 12:00 PM and PM peak 4:00 PM–7:00 PM, with volumes reaching approximately 60% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 14% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
Traffic is nearly flat through the year: even May–July, the busiest stretch, runs only +4% versus the annual average.
Lowest month:
January is the quietest month, with volumes -8% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Prince George's County, Maryland, the peak hour concentrates about 7% of the day's traffic, and traffic stays steady through the year (+4% in high season).

Prince George's County vs. Maryland Traffic Comparison

Of the four measures, average daily traffic per road differs most: Prince George's County runs 44% above the Maryland average.

MetricPrince George's CountyMaryland averageDifference
Traffic11,0767,693+44.0%
Truck % (Total Traffic)6.7%7.5%-11.1%
Truck % (Highway)8.3%9.8%-15.0%
Avg. Travel Time34.9 min34.0 min+2.5%

How Prince George's County compares

Prince George's County moves more traffic than any nearby county or city

Compared with its 4 closest neighbours, Prince George's County moves 3.8 times the total daily travel; it has the busiest roads of the five. Bigger and busier at once: more road than the areas around it and heavier traffic on it, which makes it the centre of gravity for travel in this part of the map.

Prince George's County and the 4 nearest county-level areas by centroid distance, with the Maryland average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Prince George's County11,0766.7%21,646,15134.9 min24.7%
District of Columbia8,1686.0%4,142,34338.8 min21.6%
Alexandria City, Virginia7,6016.2%1,376,11531.9 min16.6%
Arlington County, Virginia7,7436.3%2,258,17134.9 min16.4%
Anne Arundel County, Maryland10,5926.7%14,899,58133.0 min25.8%
Maryland average7,6937.5%N/A34.0 min20.5%

Prince George's County ranked within Maryland

Average daily traffic volume and highway travel volume: on all 2, Prince George's County sits first in Maryland.

Prince George's County ranked among 24 county-level areas in Maryland (1 = highest).
MeasurePrince George's CountyMaryland rank
Traffic volume (AADT)11,076#1 of 24
Highway vehicle-miles per day12,831,722#1 of 24
Truck share on highways8.3%#17 of 24
Highway trucks per day3,020#3 of 24
Average travel time34.9 min#6 of 24
Average driver income$118,915#9 of 24
Average driver age44.5 yrs#22 of 24

Prince George's County ranks #1 of 24 on average daily traffic volume but #22 of 24 on average driver age - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Prince George's County, Maryland

On their busiest stretches, the three busiest roads in Prince George's County carry 151,083 vehicles a day on average, 13.6 times the typical road in the county (11,076).

I 95 is the busiest road, at 185,500 vehicles a day, 17,940 of them trucks (9.7%). It tops the truck ranking too, with the most trucks.

I 95 carries longer journeys than most roads here, with a median trip of 48.4 minutes against 34.9 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 95Motorway · 185,500vehicles17,940trucks · 9.7%
Road class
Motorway
Congestion ratio
97.9%
Median trip time
48.4 min
Drivers’ median age
42.7 yrs
Drivers’ average income
$125,787

Delays build on I 95: its congestion ratio of 98% over free-flow time is well above the county's 25%.

2Capital BeltwayMotorway · 172,598vehicles13,808trucks · 8.0%
Road class
Motorway
Congestion ratio
97.5%
Median trip time
44.0 min
Drivers’ median age
45.2 yrs
Drivers’ average income
$118,597

Travel on Capital Beltway's busiest stretch runs 97% over free-flow time, against 25% across the county, so expect slower peak hours.

3Branch AvenueMotorway · 95,151vehicles8,210trucks · 8.6%
Road class
Motorway
Congestion ratio
59.8%
Median trip time
37.5 min
Drivers’ median age
46.2 yrs
Drivers’ average income
$122,745

Branch Avenue is a trunk route for the county, carrying 8.6 times the county average on its busiest stretch; trucks are 8.6% of it, above the county-wide 6.7%.

4Baltimore-Washington ParkwayMotorway · 92,639vehicles9,360trucks · 10.1%
Road class
Motorway
Congestion ratio
85.7%
Median trip time
41.1 min
Drivers’ median age
41.2 yrs
Drivers’ average income
$104,497

Baltimore-Washington Parkway carries 8.4 times the county average at its busiest, 9,360 of them trucks (10.1%, above the county-wide 6.7%).

5John Hanson HighwayMotorway · 90,874vehicles8,622trucks · 9.5%
Road class
Motorway
Congestion ratio
52.9%
Median trip time
43.4 min
Drivers’ median age
45.5 yrs
Drivers’ average income
$132,142

John Hanson Highway carries 8.2 times the county average on its busiest stretch, where the median trip lasts 43.4 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 95Motorway · #1 by traffic185,500vehicles17,940trucks · 9.7%
2Capital BeltwayMotorway · #2 by traffic172,598vehicles13,808trucks · 8.0%
3Baltimore-Washington ParkwayMotorway · #4 by traffic92,639vehicles9,360trucks · 10.1%
4John Hanson HighwayMotorway · #5 by traffic90,874vehicles8,622trucks · 9.5%
5Branch AvenueMotorway · #3 by traffic95,151vehicles8,210trucks · 8.6%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

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)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

Prince George'sDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near Prince George's County

The same traffic breakdown for the areas closest to Prince George's County, Maryland.

Need segment-level traffic data?

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