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Traffic heat map of Kenai Peninsula, Alaska: 372 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Bridge Access Road

Kenai Peninsula, Alaska Traffic Counts

Traffic analytics for Kenai Peninsula, Alaska, calculated from real-world mobile and sensor networks on 3,415 road segments (372 road miles, about 575 ft each). It accounts for 12% of all vehicle-miles driven in Alaska. 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 Kenai Peninsula, Alaska

Traffic

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

vehicles per day4,255
Trucks

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

8.5%
Average travel time

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

39.2 min
Congestion ratio

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

13.4%
Drivers’ average age

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

48.8 yrs
Drivers’ average income

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

$81,247

The average monitored road in Kenai Peninsula, Alaska carries 4,255 vehicles per day. Across its 372 miles of monitored roads, that adds up to 1,283,995 vehicle-miles traveled per day (≈469 million per year). Trucks are 8.5% of traffic, more than the 6.7% across Alaska.

Busier roads than 83% of counties in Alaska

Kenai Peninsula's average daily traffic volume is 10% lower than the state average - 4,255 vehicles per day against 4,749 - a factor worth weighing in site selection and logistics planning. Network-wide, Kenai Peninsula accounts for about 12% of Alaska's statewide total of vehicle-miles. 83% of counties in Alaska see less traffic than Kenai Peninsula's 4,255 vehicles per day.

The average trip takes 39.2 minutes, 15% higher than the state level. Its average travel time of 39.2 minutes is longer than 72% of counties in Alaska.

Congestion is somewhat lower than the state level, at a ratio of 13.4% (10% lower) - relevant for traffic control and delivery planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Kenai Peninsula, Alaska

Trafficvehicles per day4,838
Trucks11.6%
Average travel time55.8 min
Congestion ratio13.8%
Drivers’ average age48.5 yrs
Drivers’ average income$95,406

A significant share of driving in Kenai Peninsula, Alaska, 33% of vehicle-miles, happens on highways. The average highway carries 4,838 vehicles per day, 17% more than the average non-highway road in the same area, which carries 4,127 vehicles per day.

Highways also make up about 29% of the monitored road miles: 109 miles in 615 segments, together carrying 423,348 vehicle-miles traveled per day (≈155 million per year).

By highway travel volume, Kenai Peninsula outranks 70% of counties in Alaska.

More highway trucks than 80% of counties in Alaska

The concentration of trucks on highways (11.6%) is 39% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.

By truck concentration, highways here outrank 60% of counties in Alaska. Kenai Peninsula's highway truck count is higher than 80% of counties in Alaska, at roughly 559 trucks per day.

non-highway traffic icon

Non-highway Traffic in Kenai Peninsula, Alaska

Trafficvehicles per day4,127
Trucks7.0%
Average travel time35.5 min
Congestion ratio13.3%
Drivers’ average age48.8 yrs
Drivers’ average income$78,310

A little more than half of the driving in Kenai Peninsula, Alaska happens on local roads: 67% of all vehicle-miles. A typical local road sees 4,127 vehicles per day.

Local roads also make up about 71% of the monitored road miles: 263 miles in 2,800 segments, together carrying 860,647 vehicle-miles traveled per day (≈314 million per year). The truck share on non-highway roads is 7.0%.

Older drivers than 78% of counties in Alaska

Non-highway roads carry a truck concentration that's 39% lower than the highway network.

Non-highway congestion (13.3%) runs slightly lower than the state level (12% lower).

67% of counties in Alaska see higher average driver income among trip origins than Kenai Peninsula. 78% of counties in Alaska have a younger driver population than Kenai Peninsula.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Kenai Peninsula, Alaska, the peak hour concentrates about 9% of the day's traffic.

Kenai Peninsula vs. Alaska Traffic Comparison

The highway truck share sets Kenai Peninsula apart: 39% above the Alaska average. Its truck share is also 26% above.

MetricKenai PeninsulaAlaska averageDifference
Traffic4,2554,749-10.4%
Truck % (Total Traffic)8.5%6.7%+26.3%
Truck % (Highway)11.6%8.3%+39.3%
Avg. Travel Time39.2 min34.0 min+15.2%

How Kenai Peninsula compares

Trips in Kenai Peninsula run longer than in any nearby borough or census area

Kenai Peninsula 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.

Kenai Peninsula and the 4 nearest county-level areas by centroid distance, with the Alaska average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Kenai Peninsula4,2558.5%1,283,99539.2 min13.4%
Anchorage, Alaska7,5125.0%4,219,06733.5 min21.1%
Matanuska-Susitna, Alaska4,0587.0%2,270,46031.2 min12.9%
Kodiak Island, Alaska3,3606.7%85,97634.1 min10.8%
Valdez-Cordova, Alaska1,37611.3%213,79935.5 min5.3%
Alaska average4,7496.7%N/A34.0 min14.9%

Kenai Peninsula ranked within Alaska

Kenai Peninsula sits in the top quarter of the Alaska field on average daily traffic volume, at #4 of 19.

Kenai Peninsula ranked among 19 county-level areas in Alaska (1 = highest); measures without data in every county rank a smaller field, down to 11.
MeasureKenai PeninsulaAlaska rank
Traffic volume (AADT)4,255#4 of 19
Highway vehicle-miles per day423,348#4 of 11
Truck share on highways11.6%#5 of 11
Highway trucks per day559#3 of 11
Average travel time39.2 min#6 of 19
Average driver income$81,247#13 of 19
Average driver age48.8 yrs#5 of 19

Busiest roads in Kenai Peninsula, Alaska

Traffic concentrates on a few corridors: the three busiest roads average 8,015 vehicles a day, against 4,255 on the average road in Kenai Peninsula.

Bridge Access Road is the busiest road, at 11,749 vehicles a day, 519 of them trucks (4.4%). No other road comes close: Kenai Spur Highway, in second place, carries 6,647. Sterling Highway carries the most trucks, 539 a day (9.7% of its traffic), although it ranks #4 for all traffic.

Seward Highway is a local road at heart: the median trip using it lasts 25.6 minutes, against 39.2 for the county.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Bridge Access RoadSecondary road · 11,749vehicles519trucks · 4.4%
Road class
Secondary road
Congestion ratio
28.5%
Median trip time
35.8 min
Drivers’ median age
48.4 yrs
Drivers’ average income
$81,113

Bridge Access Road is one of the more congested roads here: trips take 29% longer than at free-flow speed, against 13% county-wide.

2Kenai Spur HighwayPrimary road · 6,647vehicles434trucks · 6.5%
Road class
Primary road
Congestion ratio
24.1%
Median trip time
33.9 min
Drivers’ median age
47.8 yrs
Drivers’ average income
$76,828

Delays build on Kenai Spur Highway: its congestion ratio of 24% over free-flow time is well above the county's 13%.

3Kalifornsky Beach RoadSecondary road · 5,650vehicles307trucks · 5.4%
Road class
Secondary road
Congestion ratio
14.8%
Median trip time
34.4 min
Drivers’ median age
47.9 yrs
Drivers’ average income
$83,146

At 33% more than the county average, Kalifornsky Beach Road draws drivers from neighborhoods averaging $83,146 in household income.

4Sterling HighwayTrunk road · 5,561vehicles539trucks · 9.7%
Road class
Trunk road
Congestion ratio
14.4%
Median trip time
37.0 min
Drivers’ median age
48.5 yrs
Drivers’ average income
$94,823

Sterling Highway is busy by local standards, at 31% more than the county average on its busiest stretch; trucks are 9.7% of it, above the county-wide 8.5%.

5End RoadSecondary road · 3,471vehicles170trucks · 4.9%
Road class
Secondary road
Congestion ratio
15.7%
Median trip time
26.9 min
Drivers’ median age
50.8 yrs
Drivers’ average income
$78,666

Trips on End Road are short, a median 26.9 minutes against 39.2 county-wide, so it mostly serves local errands and commutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Sterling HighwayTrunk road · #4 by traffic5,561vehicles539trucks · 9.7%
2Bridge Access RoadSecondary road · #1 by traffic11,749vehicles519trucks · 4.4%
3Kenai Spur HighwayPrimary road · #2 by traffic6,647vehicles434trucks · 6.5%
4Seward HighwayPrimary road · 2,590vehicles308trucks · 11.9%
Road class
Primary road
Congestion ratio
9.2%
Median trip time
25.6 min
Drivers’ median age
47.7 yrs
Drivers’ average income
$85,240

Seward Highway is a quieter road: its busiest stretch carries 39% less than the county average; trucks are 11.9% of it, above the county-wide 8.5%.

5Kalifornsky Beach RoadSecondary road · #3 by traffic5,650vehicles307trucks · 5.4%
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

Kenai PeninsulaDepartment 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 Kenai Peninsula

The same traffic breakdown for the areas closest to Kenai Peninsula, Alaska.

Need segment-level traffic data?

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