This page delivers traffic analytics for Washington County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Washington County, Iowa among 310 road miles divided in 3,474 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 472 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.
1,826
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.0 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.
7.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$76,755
Our data indicates an estimated average traffic volume of 1,826 vehicles per day in Washington County, Iowa that results in 648,072 vehicle-miles traveled per day (≈237 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 32.0 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: Washington's average daily traffic volume is 40% lower than the state average - 1,826 vehicles per day against 3,042 - suggesting less traffic load per road, a critical factor for logistics and site planning. Across the whole network that adds up to 648,072 vehicle-miles traveled per day (≈237 million per year), roughly 0.8% of Iowa's statewide total. Journey times run 3% lower than the state level, at 32.0 minutes on average. The congestion ratio of 7.7% is 32% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. By volume, Washington's 1,826 vehicles per day outpaces 58% of counties in Iowa. 26% of counties in Iowa have a shorter average travel time than Washington's 32.0 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.
5,335
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
13.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
51.2 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.
12.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$80,559
A significant volume of traffic in Washington County, Iowa utilizes the highway network. The average highway carries 5,335 vehicles per day, 212% more than the average non-highway road in the same area, which carries 1,710 vehicles per day. That average covers 51 highway road miles divided in 111 segments (average segment length 2,445 ft), together carrying 293,542 vehicle-miles traveled per day (≈107 million per year). Trucks constitute 13.4% of highway traffic.
Analytical insight
Highway truck concentration here runs 17% lower than the state average, at 13.4% - positioning Washington as a primarily local traffic hub. For logistics operators, this validates the importance of local access. Washington's highway truck share (13.4%) is higher than 35% of counties in Iowa. By raw truck volume, Washington carries more highway trucks than 51% of counties in Iowa.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
1,710
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.4 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.
7.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$75,297
The non-highway road network in Washington County, Iowa supports a substantial volume of traffic. The average non-highway road carries 1,710 vehicles per day, 68% less than the average highway in the same area, which carries 5,335 vehicles per day. That average covers 259 non-highway road miles divided in 3,363 segments (average segment length 406 ft), together carrying 354,530 vehicle-miles traveled per day (≈129 million per year). Trucks constitute 7.9% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 41% fewer trucks by share. The non-highway congestion ratio of 7.6% is 32% lower than the state level, suggesting more efficient local mobility than the state average. Overall, average travel time here is longer than 26% of counties in Iowa. Trip origins here have higher average income than 64% of counties in Iowa. Washington's median driver age is higher than 20% of counties in Iowa.
Time-of-Day & Seasonal Patterns
Analytical insight
In Washington County, Iowa, the peak hour concentrates about 8% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Washington
Iowa
Average
Difference
Traffic
1,826
3,042
-40.0%
Truck % (Total Traffic)
10.4%
11.0%
-5.9%
Truck % (Highway)
13.4%
16.1%
-17.0%
Avg. Travel Time
32.0 min
33.0 min
-2.9%
Frequently Asked Questions
The average daily traffic volume is calculated at 1,826 vehicles per day, providing a baseline for daily operations and site assessment.
Washington's average travel time of 32.0 minutes is longer than 26% of counties 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 81% above the daily average.
The average travel time for drivers is 32.0 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 10.4% of the total traffic mix across all road types, with a significantly higher concentration of 13.4% on highways.
Drivers on Washington roads have a median age of 47 years, and the median household income of the neighborhoods trips originate from averages $76,755 - useful context for retail siting and customer profiling.
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)
