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Traffic heat map of Bannock County, Idaho: 357 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 15 and Yellowstone Avenue

Bannock County, Idaho Traffic Counts

Traffic analytics for Bannock County, Idaho, calculated from real-world mobile and sensor networks on 4,323 road segments (357 road miles, about 436 ft each). It is one of the top 5 counties in Idaho for highway travel volume. Use the figures below to move from assumptions to certainty on retail locations, logistics and road planning.
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 Bannock County, Idaho

Traffic

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

vehicles per day4,356
Trucks

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

10.1%
Average travel time

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

35.0 min
Congestion ratio

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

16.8%
Drivers’ average age

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

42.7 yrs
Drivers’ average income

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

$72,082

The average monitored road in Bannock County, Idaho carries 4,356 vehicles per day. Across its 357 miles of monitored roads, that adds up to 1,864,634 vehicle-miles traveled per day (≈681 million per year). Trucks are 10.1% of traffic, close to the 9.7% across Idaho.

Busier roads than 77% of counties in Idaho

Bannock sees 24% lower average daily traffic volume than the state average (4,356 vehicles per day against 5,734), suggesting less demand on each road - a factor worth weighing in site selection and logistics planning. Network-wide, Bannock accounts for about 4.1% of Idaho's statewide total of vehicle-miles. 77% of counties in Idaho see less traffic than Bannock's 4,356 vehicles per day.

Journey times here (35.0 minutes on average) closely track the state level. On travel time, Bannock runs longer than 56% of counties in Idaho.

The congestion ratio of 16.8% runs slightly higher than the state level (5% higher).

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Bannock County, Idaho

Trafficvehicles per day8,241
Trucks13.1%
Average travel time42.0 min
Congestion ratio24.0%
Drivers’ average age43.8 yrs
Drivers’ average income$74,996

Highways carry more than half of all travel in Bannock County, Idaho (65% of vehicle-miles). The average highway carries 8,241 vehicles per day, 105% more than the average non-highway road in the same area, which carries 4,022 vehicles per day.

With 39% of the road miles (140 miles in 342 segments), highways punch above their length, carrying 1,214,465 vehicle-miles traveled per day (≈443 million per year).

That puts Bannock among the top 5 counties in Idaho for highway travel volume.

More highway trucks than 71% of counties in Idaho

The concentration of trucks on highways (13.1%) is 7% lower than the state average for similar road classifications. The highway traffic mix is typical for Idaho: neither freight- nor commuter-dominated.

Bannock's highway truck share (13.1%) is higher than 62% of counties in Idaho. 71% of counties in Idaho see fewer highway trucks per day than Bannock's roughly 1,083.

non-highway traffic icon

Non-highway Traffic in Bannock County, Idaho

Trafficvehicles per day4,022
Trucks4.4%
Average travel time34.4 min
Congestion ratio16.2%
Drivers’ average age42.5 yrs
Drivers’ average income$70,136

A significant share of driving in Bannock County, Idaho, 35% of vehicle-miles, happens on local roads. A typical local road sees 4,022 vehicles per day.

Spread over 218 miles and 3,981 segments, 61% of the road network, local roads carry a lighter load per mile: 650,168 vehicle-miles traveled per day (≈237 million per year). Trucks make up 4.4% of non-highway traffic, about 1 in 23 vehicles.

Younger drivers than 86% of counties in Idaho

The concentration of trucks on non-highway roads is 67% lower than on highways.

The non-highway congestion ratio of 16.2% is in line with the state level.

Bannock's average driver income is higher than 56% of counties in Idaho. Bannock's median driver age is lower than 86% of counties in Idaho.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 3:00 PM–6:00 PM, with volumes reaching approximately 82% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 21% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +9% versus the annual average.
Lowest month:
January is the quietest month, with volumes -15% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Bannock County, Idaho, the peak hour concentrates about 8% of the day's traffic, and there is a noticeable seasonal swing of +9% in high season.

Bannock County vs. Idaho Traffic Comparison

Bannock County's biggest difference from the Idaho average is its average daily traffic per road, 24% below it.

MetricBannock CountyIdaho averageDifference
Traffic4,3565,734-24.0%
Truck % (Total Traffic)10.1%9.7%+4.3%
Truck % (Highway)13.1%14.1%-6.7%
Avg. Travel Time35.0 min33.8 min+3.5%

How Bannock County compares

Bannock County moves more traffic than any nearby county

Set against the average of the 4 areas nearest to it, Bannock County moves 4.7 times the total daily travel and carries 110.8% more traffic on a typical road; 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.

Bannock County and the 4 nearest county-level areas by centroid distance, with the Idaho average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Bannock County4,35610.1%1,864,63435.0 min16.8%
Caribou County, Idaho2,03512.1%212,14333.2 minN/A
Franklin County, Idaho2,9497.2%233,26732.2 min2.8%
Oneida County, Idaho1,31625.2%550,51939.4 min11.4%
Power County, Idaho1,96413.9%598,76929.0 min7.7%
Idaho average5,7349.7%N/A33.8 min16.0%

Bannock County ranked within Idaho

Bannock County sits in the top quarter of the Idaho field on highway travel volume, at #5 of 35.

Bannock County ranked among 44 county-level areas in Idaho (1 = highest); measures without data in every county rank a smaller field, down to 35.
MeasureBannock CountyIdaho rank
Traffic volume (AADT)4,356#11 of 44
Highway vehicle-miles per day1,214,465#5 of 35
Truck share on highways13.1%#14 of 35
Highway trucks per day1,083#11 of 35
Average travel time35.0 min#20 of 44
Average driver income$72,082#20 of 44
Average driver age42.7 yrs#38 of 44

The two ends of this table sit far apart: #5 of 35 on highway travel volume, against #38 of 44 on average driver age.

Busiest roads in Bannock County, Idaho

Traffic concentrates on a few corridors: the three busiest roads average 26,440 vehicles a day, against 4,356 on the average road in Bannock County.

I 15 is the busiest road, at 28,049 vehicles a day, 3,121 of them trucks (11.1%). It tops the truck ranking too, with the most trucks.

Yellowstone Avenue is busy with cars rather than freight: only 3.4% of its traffic is trucks, against 10.1% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 15Motorway · 28,049vehicles3,121trucks · 11.1%
Road class
Motorway
Congestion ratio
27.0%
Median trip time
40.2 min
Drivers’ median age
43.3 yrs
Drivers’ average income
$73,361

A main artery: I 15's busiest stretch carries 6.4 times the county average; trucks are 11.1% of it, above the county-wide 10.1%.

2Yellowstone AvenuePrimary road · 26,153vehicles890trucks · 3.4%
Road class
Primary road
Congestion ratio
32.6%
Median trip time
33.5 min
Drivers’ median age
42.8 yrs
Drivers’ average income
$63,530

Delays build on Yellowstone Avenue: its congestion ratio of 33% over free-flow time is well above the county's 17%.

3Pocatello Creek RoadPrimary road · 25,118vehicles878trucks · 3.5%
Road class
Primary road
Congestion ratio
44.1%
Median trip time
36.4 min
Drivers’ median age
42.7 yrs
Drivers’ average income
$77,900

Travel on Pocatello Creek Road's busiest stretch runs 44% over free-flow time, against 17% across the county, so expect slower peak hours.

4Quinn RoadPrimary road · 21,934vehicles982trucks · 4.5%
Road class
Primary road
Median trip time
31.9 min
Drivers’ median age
42.7 yrs
Drivers’ average income
$64,590

Quinn Road is a trunk route for the county, carrying 5.0 times the county average on its busiest stretch; trucks are 4.5% of it, below the county-wide 10.1%.

5Pocatello AvenuePrimary road · 19,388vehicles807trucks · 4.2%
Road class
Primary road
Median trip time
41.1 min
Drivers’ median age
42.8 yrs
Drivers’ average income
$58,562

The busiest stretch of Pocatello Avenue carries 4.5 times the county average; trucks are 4.2% of it, below the county-wide 10.1%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 15Motorway · #1 by traffic28,049vehicles3,121trucks · 11.1%
2I 86Motorway · 15,012vehicles1,530trucks · 10.2%
Road class
Motorway
Congestion ratio
19.8%
Median trip time
36.8 min
Drivers’ median age
42.8 yrs
Drivers’ average income
$73,699

On its busiest stretch, I 86 carries 3.4 times the county average; trucks are 10.2% of it, in line with the county-wide 10.1%.

3Quinn RoadPrimary road · #4 by traffic21,934vehicles982trucks · 4.5%
4Yellowstone AvenuePrimary road · #2 by traffic26,153vehicles890trucks · 3.4%
5Pocatello Creek RoadPrimary road · #3 by traffic25,118vehicles878trucks · 3.5%
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

BannockDepartment 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 Bannock County

The same traffic breakdown for the areas closest to Bannock County, Idaho.

Need segment-level traffic data?

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