This page delivers traffic analytics for Dallas County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Dallas County, Iowa among 484 road miles divided in 6,312 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 405 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
3,933
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
27.6 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
13.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$110,565
Our data indicates an estimated average traffic volume of 3,933 vehicles per day in Dallas County, Iowa that results in 2,199,403 vehicle-miles traveled per day (≈803 million per year). The traffic stream is comprised of an average of 1 truck for every 10 vehicles. Typical time spent behind the wheel per trip is 27.6 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: Dallas sees 29% higher average daily traffic volume than the state average (3,933 vehicles per day against 3,042), suggesting more demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries 2,199,403 vehicle-miles traveled per day (≈803 million per year), about 2.6% of Iowa's statewide total. The average trip takes 27.6 minutes, 16% lower than the state level. At 14% higher than the state level, the 13.0% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. 93% of counties in Iowa see less traffic than Dallas's 3,933 vehicles per day. It also posts the lowest average travel time in Iowa, at 27.6 minutes.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
8,719
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
14.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.7 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
19.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$104,549
A significant volume of traffic in Dallas County, Iowa utilizes the highway network. The average highway carries 8,719 vehicles per day, 162% more than the average non-highway road in the same area, which carries 3,329 vehicles per day. That average covers 119 highway road miles divided in 707 segments (average segment length 887 ft), together carrying 1,185,355 vehicle-miles traveled per day (≈433 million per year). That is more highway travel volume than 91% of counties in Iowa. Trucks constitute 14.1% of highway traffic.
Analytical insight
At 14.1%, highway truck share is 12% lower than the state average, marking Dallas as a primarily local traffic hub - underscoring the importance of local access for logistics operators. Dallas's highway truck share (14.1%) is higher than 46% of counties in Iowa. 70% of counties in Iowa see fewer highway trucks per day than Dallas's roughly 1,229.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
3,329
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
26.8 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
12.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$115,822
The non-highway road network in Dallas County, Iowa supports a substantial volume of traffic. The average non-highway road carries 3,329 vehicles per day, 62% less than the average highway in the same area, which carries 8,719 vehicles per day. That average covers 366 non-highway road miles divided in 5,605 segments (average segment length 344 ft), together carrying 1,014,048 vehicle-miles traveled per day (≈370 million per year). Trucks constitute 5.2% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 63% lower than the highway network. At 9% higher than the state level, the non-highway congestion ratio of 12.2% signals more friction on local roads. Overall, Dallas has the lowest average travel time in Iowa, at 27.6 minutes. Trips here originate from the highest average driver income in Iowa, at $110,565. Dallas's median driver age is higher than 3% of counties in Iowa.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 77% higher than the daily average.
Weekend traffic:
Weekend volumes run about 19% below weekday levels.
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 -16% versus the annual average.
Analytical insight
In Dallas County, Iowa, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +9% in high season.
Traffic Flow Profile Comparison
Metric
Dallas
Iowa
Average
Difference
Traffic
3,933
3,042
+29.3%
Truck % (Total Traffic)
10.0%
11.0%
-9.0%
Truck % (Highway)
14.1%
16.1%
-12.4%
Avg. Travel Time
27.6 min
33.0 min
-16.5%
Frequently Asked Questions
The average daily traffic volume is calculated at 3,933 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - at 27.6 minutes, Dallas has the lowest average travel time of any county in Iowa.
Weekday peaks occur between 7:00 AM and 8:00 AM in the morning and between 3:00 PM and 7:00 PM in the evening - about 77% above the daily average.
Trucks account for approximately 10.0% of the total traffic mix across all road types, with a significantly higher concentration of 14.1% on highways.
Approximately 31% of highway traffic and 21% of non-highway traffic consists of vehicles whose trip originates outside Dallas County, Iowa. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
The average travel time for drivers is 27.6 minutes, offering a standard metric for commute and delivery route planning.
Traffic volumes are typically 9% higher during June–August. Volumes drop to their lowest levels in January, averaging 3,289 vehicles per day - a 16% decrease from the annual average.
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)
