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Traffic heat map of Snyder County, Pennsylvania: 258 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Susquehanna Trail and US 15

Snyder County, Pennsylvania Traffic Counts

Its busiest road, Susquehanna Trail, carries 34,362 vehicles a day, 10.3 times the average road. This page breaks down traffic in Snyder County, Pennsylvania across 258 miles of monitored roads split into 4,224 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 Snyder County, Pennsylvania

Traffic

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

vehicles per day3,343
Trucks

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

9.7%
Average travel time

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

32.2 min
Congestion ratio

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

11.4%
Drivers’ average age

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

50.3 yrs
Drivers’ average income

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

$70,580

A typical monitored road in Snyder County, Pennsylvania sees 3,343 vehicles per day, while its 258 miles of monitored roads together handle 835,790 vehicle-miles traveled per day (≈305 million per year). Trucks are 9.7% of traffic, close to the 10.6% across Pennsylvania.

Shorter trips than 77% of counties in Pennsylvania

At 3,343 vehicles per day, the average monitored road in Snyder carries 40% less traffic than the state average of 5,617, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Network-wide, Snyder accounts for about 0.4% of Pennsylvania's statewide total of vehicle-miles. Snyder carries less traffic than 61% of counties in Pennsylvania.

At 32.2 minutes, the average travel time is 7% lower than the state level. Its average travel time of 32.2 minutes is shorter than 77% of counties in Pennsylvania.

At 31% lower than the state level, the 11.4% congestion ratio signals smoother traffic flow - travel times are easy to plan around for scheduled deliveries.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Snyder County, Pennsylvania

Trafficvehicles per day15,715
Trucks14.2%
Average travel time42.8 min
Congestion ratio29.2%
Drivers’ average age50.2 yrs
Drivers’ average income$74,164

Highways carry a significant share of travel in Snyder County, Pennsylvania: 38% of all vehicle-miles. The average highway carries 15,715 vehicles per day, 515% more than the average non-highway road in the same area, which carries 2,555 vehicles per day.

Yet highways are only 12% of the road network, 30 miles in 253 segments, so each mile of them is 3.2 times as busy as the average road mile.

Fewer highway trucks than 68% of counties in Pennsylvania

At 14.2%, highway truck share is 10% lower than the state average. The highway traffic mix is typical for Pennsylvania: neither freight- nor commuter-dominated.

Snyder's highway truck share (14.2%) is lower than 60% of counties in Pennsylvania. By raw truck volume, Snyder carries fewer highway trucks than 68% of counties in Pennsylvania.

non-highway traffic icon

Non-highway Traffic in Snyder County, Pennsylvania

Trafficvehicles per day2,555
Trucks7.0%
Average travel time31.5 min
Congestion ratio10.3%
Drivers’ average age50.4 yrs
Drivers’ average income$69,373

A little more than half of the driving in Snyder County, Pennsylvania happens on local roads: 62% of all vehicle-miles. A typical local road sees 2,555 vehicles per day.

Spread over 227 miles and 3,971 segments, 88% of the road network, local roads carry a lighter load per mile: 519,910 vehicle-miles traveled per day (≈190 million per year). Trucks make up 7.0% of non-highway traffic, about 1 in 14 vehicles.

Local congestion 35% below the Pennsylvania average

Non-highway roads carry a truck concentration that's 51% lower than the highway network.

At 35% lower than the state level, the non-highway congestion ratio of 10.3% signals easier movement on local roads.

Snyder's average driver income is higher than 52% of counties in Pennsylvania. Snyder's median driver age is lower than 52% of counties in Pennsylvania.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Snyder County, Pennsylvania, the peak hour concentrates about 7% of the day's traffic.

Snyder County vs. Pennsylvania Traffic Comparison

Snyder County's biggest difference from the Pennsylvania average is its average daily traffic per road, 40% below it.

MetricSnyder CountyPennsylvania averageDifference
Traffic3,3435,617-40.5%
Truck % (Total Traffic)9.7%10.6%-8.8%
Truck % (Highway)14.2%15.8%-9.9%
Avg. Travel Time32.2 min34.6 min-7.1%

How Snyder County compares

Snyder County has the lowest truck share of its nearby counties

Snyder 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 third busiest roads of the five.

Snyder County and the 4 nearest county-level areas by centroid distance, with the Pennsylvania average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Snyder County3,3439.7%835,79032.2 min11.4%
Union County, Pennsylvania3,75717.0%1,084,77734.4 min11.5%
Perry County, Pennsylvania2,79413.9%1,169,96733.3 min10.5%
Northumberland County, Pennsylvania3,79711.2%1,772,96733.8 min12.3%
Juniata County, Pennsylvania2,15416.1%668,82430.8 min8.6%
Pennsylvania average5,61710.6%N/A34.6 min16.5%

Snyder County ranked within Pennsylvania

Highway travel volume places Snyder County #56 of 64 in Pennsylvania - the bottom quarter of the state.

Snyder County ranked among 67 county-level areas in Pennsylvania (1 = highest); measures without data in every county rank a smaller field, down to 64.
MeasureSnyder CountyPennsylvania rank
Traffic volume (AADT)3,343#41 of 67
Highway vehicle-miles per day315,880#56 of 64
Truck share on highways14.2%#39 of 64
Highway trucks per day2,230#44 of 64
Average travel time32.2 min#52 of 67
Average driver income$70,580#33 of 67
Average driver age50.3 yrs#35 of 67

Busiest roads in Snyder County, Pennsylvania

On their busiest stretches, the three busiest roads in Snyder County carry 20,935 vehicles a day on average, 6.3 times the typical road in the county (3,343).

Susquehanna Trail is the busiest road, at 34,362 vehicles a day, 2,382 of them trucks (6.9%). No other road comes close: US 15, in second place, carries 15,247. Selinsgrove Bypass carries the most trucks, 3,131 a day (23.7% of its traffic), although it ranks #3 for all traffic.

Trips using Selinsgrove Bypass are long: a median of 69.7 minutes against 32.2 county-wide, the mark of a through route.

Freight stands out on Selinsgrove Bypass: trucks are 23.7% of the traffic there, against 9.7% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Susquehanna TrailTrunk road · 34,362vehicles2,382trucks · 6.9%
Road class
Trunk road
Congestion ratio
43.4%
Median trip time
38.4 min
Drivers’ median age
50.3 yrs
Drivers’ average income
$72,903

Delays build on Susquehanna Trail: its congestion ratio of 43% over free-flow time is well above the county's 11%.

2US 15Trunk road · 15,247vehicles1,138trucks · 7.5%
Road class
Trunk road
Congestion ratio
18.2%
Median trip time
44.1 min
Drivers’ median age
50.2 yrs
Drivers’ average income
$76,549

Drivers on US 15 are on long journeys, a median 44.1 minutes against 32.2 county-wide: a through route more than a local street.

3Selinsgrove BypassMotorway · 13,195vehicles3,131trucks · 23.7%
Road class
Motorway
Congestion ratio
15.0%
Median trip time
69.7 min
Drivers’ median age
50.8 yrs
Drivers’ average income
$74,891

Selinsgrove Bypass carries 3.9 times the county average at its busiest, 3,131 of them trucks (23.7%, above the county-wide 9.7%).

4US 522Primary road · 12,873vehicles580trucks · 4.5%
Road class
Primary road
Congestion ratio
29.2%
Median trip time
32.4 min
Drivers’ median age
50.9 yrs
Drivers’ average income
$71,894

Travel on US 522's busiest stretch runs 29% over free-flow time, against 11% across the county, so expect slower peak hours.

5Main StreetPrimary road · 11,241vehicles830trucks · 7.4%
Road class
Primary road
Median trip time
28.4 min
Drivers’ median age
50.3 yrs
Drivers’ average income
$61,614

Main Street carries 3.4 times the county average on its busiest stretch, where the median trip lasts 28.4 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Selinsgrove BypassMotorway · #3 by traffic13,195vehicles3,131trucks · 23.7%
2Susquehanna TrailTrunk road · #1 by traffic34,362vehicles2,382trucks · 6.9%
3US 15Trunk road · #2 by traffic15,247vehicles1,138trucks · 7.5%
4Main StreetPrimary road · #5 by traffic11,241vehicles830trucks · 7.4%
5US 522Primary road · #4 by traffic12,873vehicles580trucks · 4.5%
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

SnyderDepartment 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 Snyder County

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

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.