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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day4,849 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 10.9% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 31.4 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 13.8% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 52.3 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $78,590 |
A typical monitored road in Westmoreland County, Pennsylvania sees 4,849 vehicles per day, while its 1,287 miles of monitored roads together handle 6,929,212 vehicle-miles traveled per day (≈2.5 billion per year). About 1 in 9 vehicles is a truck, in line with Pennsylvania (10.6%).
Westmoreland's average daily traffic volume is 14% lower than the state average - 4,849 vehicles per day against 5,617 - a critical factor for logistics and site planning. Across the whole network, that travel is about 3.2% of Pennsylvania's statewide total. Westmoreland carries more traffic than 71% of counties in Pennsylvania.
Journey times run 9% lower than the state level, at 31.4 minutes on average. On travel time, Westmoreland runs shorter than 91% of counties in Pennsylvania.
The congestion ratio of 13.8% is 17% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning.
| Traffic | vehicles per day12,579 |
|---|---|
| Trucks | 15.5% |
| Average travel time | 37.5 min |
| Congestion ratio | 26.7% |
| Drivers’ average age | 52.2 yrs |
| Drivers’ average income | $78,845 |
Travel in Westmoreland County, Pennsylvania splits roughly evenly, with about half of it (54% of vehicle-miles) on highways. The average highway carries 12,579 vehicles per day, 217% more than the average non-highway road in the same area, which carries 3,963 vehicles per day.
With 27% of the road miles (345 miles in 2,343 segments), highways punch above their length, carrying 3,740,193 vehicle-miles traveled per day (≈1.4 billion per year).
87% of counties in Pennsylvania move less traffic on their highways.
The concentration of trucks on highways (15.5%) is in line with the state average for similar road classifications. The highway traffic mix is typical for Pennsylvania: neither freight- nor commuter-dominated.
57% of counties in Pennsylvania see a higher highway truck share than Westmoreland's 15.5%. 60% of counties in Pennsylvania see more highway trucks per day than Westmoreland's roughly 1,945.
| Traffic | vehicles per day3,963 |
|---|---|
| Trucks | 5.5% |
| Average travel time | 30.6 min |
| Congestion ratio | 12.3% |
| Drivers’ average age | 52.5 yrs |
| Drivers’ average income | $78,399 |
Travel in Westmoreland County, Pennsylvania splits roughly evenly, with about half of it (46% of vehicle-miles) on local roads. A typical local road sees 3,963 vehicles per day.
Local roads make up 73% of the monitored road miles (942 miles in 20,445 segments) but carry less than their share of travel: 3,189,019 vehicle-miles traveled per day (≈1.2 billion per year). Trucks make up 5.5% of non-highway traffic, about 1 in 18 vehicles.
Non-highway roads carry a truck concentration that's 65% lower than the highway network.
At 22% lower than the state level, the non-highway congestion ratio of 12.3% signals easier movement on local roads.
68% of counties in Pennsylvania see lower average driver income among trip origins than Westmoreland. The driver population here skews older than 77% of counties in Pennsylvania.
Westmoreland County stays close to the Pennsylvania average; the largest gap is its average daily traffic per road, 14% below.
| Metric | Westmoreland County | Pennsylvania average | Difference |
|---|---|---|---|
| Traffic | 4,849 | 5,617 | -13.7% |
| Truck % (Total Traffic) | 10.9% | 10.6% | +2.2% |
| Truck % (Highway) | 15.5% | 15.8% | -1.8% |
| Avg. Travel Time | 31.4 min | 34.6 min | -9.4% |
Westmoreland County tracks the 4 areas around it closely - no measure in this table sets it far apart from the areas immediately next to it, though it has the second busiest roads of the five.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Westmoreland County | 4,849 | 10.9% | 6,929,212 | 31.4 min | 13.8% |
| Indiana County, Pennsylvania | 3,325 | 10.0% | 1,560,678 | 43.1 min | 12.2% |
| Fayette County, Pennsylvania | 3,456 | 7.8% | 2,007,537 | 32.1 min | 9.8% |
| Somerset County, Pennsylvania | 2,521 | 18.9% | 1,812,700 | 34.3 min | 9.6% |
| Allegheny County, Pennsylvania | 6,752 | 6.7% | 17,795,718 | 34.8 min | 17.9% |
| Pennsylvania average | 5,617 | 10.6% | N/A | 34.6 min | 16.5% |
Average travel time places Westmoreland County #61 of 67 in Pennsylvania - the bottom quarter of the state.
| Measure | Westmoreland County | Pennsylvania rank |
|---|---|---|
| Traffic volume (AADT) | 4,849 | #20 of 67 |
| Highway vehicle-miles per day | 3,740,193 | #9 of 64 |
| Truck share on highways | 15.5% | #37 of 64 |
| Highway trucks per day | 1,945 | #39 of 64 |
| Average travel time | 31.4 min | #61 of 67 |
| Average driver income | $78,590 | #22 of 67 |
| Average driver age | 52.3 yrs | #16 of 67 |
The two ends of this table sit far apart: #9 of 64 on highway travel volume, against #61 of 67 on average travel time.
Traffic concentrates on a few corridors: the three busiest roads average 33,131 vehicles a day, against 4,849 on the average road in Westmoreland County.
US 30 is the busiest road, at 34,816 vehicles a day, 1,768 of them trucks (5.1%). Pittsburgh Street is practically level with it at 34,641. Pennsylvania Turnpike carries the most trucks, 6,645 a day (27.1% of its traffic), although it is not among the 5 busiest roads overall.
Pennsylvania Turnpike carries longer journeys than most roads here, with a median trip of 61.0 minutes against 31.4 county-wide.
Trucks make up 27.1% of traffic on Pennsylvania Turnpike and 20.4% on Matthew Smelser Memorial Bridge, against 10.9% across all roads in the county.
Traffic and freight follow different roads here: only 1 of the five busiest roads also make the top 5 for trucks.
At 7.2 times the county average, US 30 draws drivers from neighborhoods averaging $75,715 in household income.
A main artery: Pittsburgh Street's busiest stretch carries 7.1 times the county average; trucks are 4.5% of it, below the county-wide 10.9%.
Lincoln Highway is one of the more congested roads here: trips take 41% longer than at free-flow speed, against 14% county-wide.
Trucks make up 19.5% of I 70's traffic, against 10.9% across the county, so freight weighs heavily here.
Delays build on Tarentum Bridge: its congestion ratio of 41% over free-flow time is well above the county's 14%.
Pennsylvania Turnpike is a trunk route for the county, carrying 5.1 times the county average on its busiest stretch; trucks are 27.1% of it, above the county-wide 10.9%.
Matthew Smelser Memorial Bridge carries through traffic: the median trip using it lasts 45.6 minutes, against 31.4 for the county.
The busiest stretch of Amos K Hutchinson Bypass carries 4.2 times the county average; trucks are 11.3% of it, in line with the county-wide 10.9%.
Drivers on William Penn Highway are on long journeys, a median 44.7 minutes against 31.4 county-wide: a through route more than a local street.
The average monitored road in Westmoreland carries 4,849 vehicles per day, 14% less than the Pennsylvania average of 5,617.
The driver population in Westmoreland skews older than 77% of counties in Pennsylvania.
Drivers on Westmoreland roads have a median age of 52 years, older than the Pennsylvania average of 48, and the median household income of the neighborhoods trips originate from averages $78,590, 12% below the Pennsylvania average.
Approximately 14% of highway traffic and 10% of non-highway traffic consists of vehicles whose trip originates outside Westmoreland County, Pennsylvania. Even highway traffic is mostly local, so these roads mainly serve residents and commuters.
Weekday traffic has two busy windows: AM peak 7:00 AM–9:00 AM and PM peak 4:00 PM–6:00 PM - about 76% above the daily average.
The average trip in Westmoreland takes 31.4 minutes, 9% shorter than the Pennsylvania average of 34.6 minutes, delays at signals and congestion included.
Trucks make up about 10.9% of all traffic in Westmoreland County, Pennsylvania, rising to 15.5% on highways, where long-haul freight concentrates.
US 30 carries the most, 34,816 vehicles per day on its busiest stretch, followed by Pittsburgh Street (34,641), Lincoln Highway (29,937), I 70 (27,936), Tarentum Bridge (27,065). Figures are AADT, both directions combined.
Pennsylvania Turnpike, with about 6,645 trucks per day on its busiest stretch, 27.1% of its 24,521 vehicles.
About 34,816 vehicles per day in both directions on its busiest stretch, including 1,768 trucks (5.1%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

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The same traffic breakdown for the areas closest to Westmoreland County, Pennsylvania.
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