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Traffic heat map of Niobrara County, Wyoming: 117 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Cedar Street and US 18

Niobrara County, Wyoming Traffic Counts

Our Niobrara County, Wyoming traffic data covers 381 road segments over 117 road miles, with an average segment of just 1,627 ft. Trips here are the longest of any county in Wyoming, a median 58.9 minutes. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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total traffic icon

Total Traffic Volume & Performance in Niobrara County, Wyoming

Traffic

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

vehicles per day1,370
Trucks

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

14.8%
Average travel time

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

58.9 min
Drivers’ average age

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

52.0 yrs
Drivers’ average income

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

$48,829

A typical monitored road in Niobrara County, Wyoming sees 1,370 vehicles per day, while its 117 miles of monitored roads together handle 113,383 vehicle-miles traveled per day (≈41.4 million per year). Trucks are a smaller part of the mix than across Wyoming: 14.8% against 17.9%.

The longest trips of any county in Wyoming

At 1,370 vehicles per day, the average monitored road in Niobrara carries 62% less traffic than the state average of 3,650, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.5% of Wyoming's statewide total of vehicle-miles. By volume, Niobrara's 1,370 vehicles per day trails 95% of counties in Wyoming.

Journey times run 71% higher than the state level, at 58.9 minutes on average. Niobrara additionally records the highest average travel time of any county in Wyoming - 58.9 minutes.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Niobrara County, Wyoming

Trafficvehicles per day1,528
Trucks15.9%
Average travel time51.3 min
Drivers’ average age51.8 yrs
Drivers’ average income$49,020

Most travel in Niobrara County, Wyoming happens on highways, 78% of all vehicle-miles. The average highway carries 1,528 vehicles per day, 86% more than the average non-highway road in the same area, which carries 819 vehicles per day.

Their share of road miles is similar, 72% (85 miles in 296 segments), carrying 88,991 vehicle-miles traveled per day (≈32.5 million per year).

The fewest highway trucks of any county in Wyoming

The concentration of trucks on highways (15.9%) is 32% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.

By truck concentration, highways here outrank 58% of counties in Wyoming. Niobrara also moves the lowest raw count of highway trucks in Wyoming, at roughly 167 per day.

non-highway traffic icon

Non-highway Traffic in Niobrara County, Wyoming

Trafficvehicles per day819
Trucks10.8%
Average travel time85.6 min
Drivers’ average age53.7 yrs
Drivers’ average income$47,991

At 22% of vehicle-miles, local roads carry a smaller share of the traffic in Niobrara County, Wyoming than highways. A typical local road sees 819 vehicles per day.

Spread over 33 miles and 85 segments, 28% of the road network, local roads carry a lighter load per mile: 24,391 vehicle-miles traveled per day (≈8.9 million per year). About 1 in 9 vehicles on non-highway roads is a truck (10.8%).

The lowest driver income of any county in Wyoming

The concentration of trucks on non-highway roads is 32% lower than on highways.

Trips here originate from the lowest average driver income in Wyoming, at $48,829. The driver population here skews older than 84% of counties in Wyoming.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and a long afternoon plateau from 12:00 PM to 6:00 PM, with volumes reaching approximately 79% higher than the daily average.
Weekend traffic:
Weekend traffic is about as busy as on weekdays (+0%): leisure and through trips largely replace the commute.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +40% versus the annual average.
Lowest month:
January is the quietest month, with volumes -41% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Niobrara County, Wyoming, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +40% in high season.

Niobrara County vs. Wyoming Traffic Comparison

Niobrara County's biggest difference from the Wyoming average is its average travel time, 71% above it. Its average daily traffic per road, by contrast, is 62% below.

MetricNiobrara CountyWyoming averageDifference
Traffic1,3703,650-62.5%
Truck % (Total Traffic)14.8%17.9%-17.2%
Truck % (Highway)15.9%23.3%-31.8%
Avg. Travel Time58.9 min34.5 min+70.8%

How Niobrara County compares

Trips in Niobrara County run longer than in any nearby county

Against the 4 nearest areas, Niobrara County sees 38.6% longer typical trips and moves 35.3% of the total daily travel; it has the fourth busiest roads of the five.

Niobrara County and the 4 nearest county-level areas by centroid distance, with the Wyoming average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Niobrara County1,37014.8%113,38358.9 minN/A
Weston County, Wyoming1,80810.5%173,66148.4 minN/A
Fall River County, South Dakota1,96112.0%254,57939.5 minN/A
Converse County, Wyoming2,72215.8%840,96939.1 minN/A
Sioux County, Nebraska20112.2%16,02643.1 minN/A
Wyoming average3,65017.9%N/A34.5 min11.5%

Niobrara County ranked within Wyoming

No other county-level area in Wyoming records a higher average travel time than Niobrara County.

Niobrara County ranked among 23 county-level areas in Wyoming (1 = highest); measures without data in every county rank a smaller field, down to 20.
MeasureNiobrara CountyWyoming rank
Traffic volume (AADT)1,370#22 of 23
Highway vehicle-miles per day88,991#20 of 20
Truck share on highways15.9%#9 of 20
Highway trucks per day243#20 of 20
Average travel time58.9 min#1 of 23
Average driver income$48,829#23 of 23
Average driver age52.0 yrs#4 of 23

Niobrara County ranks #1 of 23 on average travel time but #22 of 23 on average daily traffic volume. Some of the longest trips in Wyoming on some of its emptiest roads - distance, not congestion, is what sets travel time here.

Busiest roads in Niobrara County, Wyoming

The three busiest roads in Niobrara County average 2,311 vehicles a day, 69% more than the county average of 1,370 across all its monitored roads.

Cedar Street leads with 4,361 vehicles a day, 549 of them trucks (12.6%). No other road comes close: US 18, in second place, carries 1,446. It also carries the most trucks.

US 85 is a local road at heart: the median trip using it lasts 32.8 minutes, against 58.9 for the county.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Cedar StreetTrunk road · 4,361vehicles549trucks · 12.6%
Road class
Trunk road
Median trip time
35.4 min
Drivers’ median age
49.8 yrs
Drivers’ average income
$48,902

Cedar Street is a local road at heart: the median trip using it lasts 35.4 minutes, against 58.9 for the county.

2US 18Trunk road · 1,446vehicles220trucks · 15.2%
Road class
Trunk road
Median trip time
57.1 min
Drivers’ median age
53.9 yrs
Drivers’ average income
$48,993

US 18 carries 6% more than the county average at its busiest, 220 of them trucks (15.2%, in line with the county-wide 14.8%).

3US 85Primary road · 1,125vehicles107trucks · 9.5%
Road class
Primary road
Median trip time
32.8 min
Drivers’ median age
55.8 yrs
Drivers’ average income
$48,072

Even at its busiest, US 85 carries 18% less than the county average; trucks are 9.5% of it, below the county-wide 14.8%.

43rd StreetTrunk road · 986vehicles147trucks · 14.9%
Road class
Trunk road
Median trip time
48.8 min
Drivers’ median age
54.8 yrs
Drivers’ average income
$51,110

3rd Street is a quieter road: its busiest stretch carries 28% less than the county average; trucks are 14.9% of it, in line with the county-wide 14.8%.

5US 20Trunk road · 334vehicles50trucks · 15.0%
Road class
Trunk road
Median trip time
51.1 min
Drivers’ median age
51.0 yrs
Drivers’ average income
$49,283

Even at its busiest, US 20 carries 76% less than the county average; trucks are 15.0% of it, in line with the county-wide 14.8%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Cedar StreetTrunk road · #1 by traffic4,361vehicles549trucks · 12.6%
2US 18Trunk road · #2 by traffic1,446vehicles220trucks · 15.2%
33rd StreetTrunk road · #4 by traffic986vehicles147trucks · 14.9%
4US 85Primary road · #3 by traffic1,125vehicles107trucks · 9.5%
5US 20Trunk road · #5 by traffic334vehicles50trucks · 15.0%
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

NiobraraDepartment 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 Niobrara County

The same traffic breakdown for the areas closest to Niobrara County, Wyoming.

Need segment-level traffic data?

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