This page delivers traffic analytics for Jefferson County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Jefferson County, Iowa among 239 road miles divided in 2,324 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 542 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.
1,672
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.
32.6 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.
6.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$65,238
Our data indicates an estimated average traffic volume of 1,672 vehicles per day in Jefferson County, Iowa that results in 359,545 vehicle-miles traveled per day (≈131 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 32.6 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: At 1,672 vehicles per day, the average monitored road in Jefferson carries 45% less traffic than the state average of 3,042 vehicles per day - a critical factor for logistics and site planning. Across the whole network that adds up to 359,545 vehicle-miles traveled per day (≈131 million per year), roughly 0.4% of Iowa's statewide total. The average trip takes 32.6 minutes, 1% lower than the state level. The congestion ratio of 6.9% is 40% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. Jefferson carries more traffic than 47% of counties in Iowa. On travel time, Jefferson runs longer than 35% of counties in Iowa.
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.
3,220
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
14.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
50.2 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.
7.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$66,655
A significant volume of traffic in Jefferson County, Iowa utilizes the highway network. The average highway carries 3,220 vehicles per day, 110% more than the average non-highway road in the same area, which carries 1,536 vehicles per day. That average covers 54 highway road miles divided in 188 segments (average segment length 1,514 ft), together carrying 170,881 vehicle-miles traveled per day (≈62.4 million per year). Trucks constitute 14.0% of highway traffic.
Analytical insight
At 14.0%, highway truck share is 13% lower than the state average, marking Jefferson as a primarily local traffic hub - underscoring the importance of local access for logistics operators. Jefferson's highway truck share (14.0%) is higher than 45% of counties in Iowa. 13% of counties in Iowa see fewer highway trucks per day than Jefferson's roughly 450.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
1,536
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.0 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.
6.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$64,677
The non-highway road network in Jefferson County, Iowa supports a substantial volume of traffic. The average non-highway road carries 1,536 vehicles per day, 52% less than the average highway in the same area, which carries 3,220 vehicles per day. That average covers 185 non-highway road miles divided in 2,136 segments (average segment length 457 ft), together carrying 188,664 vehicle-miles traveled per day (≈68.9 million per year). Trucks constitute 6.3% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 55% fewer trucks by share. The non-highway congestion ratio of 6.9% is 38% lower than the state level, suggesting more efficient local mobility than the state average. Overall, average travel time here is longer than 35% of counties in Iowa. 12% of counties in Iowa see lower average driver income among trip origins than Jefferson. 63% of counties in Iowa have a younger driver population than Jefferson.
Time-of-Day & Seasonal Patterns
Analytical insight
In Jefferson County, Iowa, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Jefferson
Iowa
Average
Difference
Traffic
1,672
3,042
-45.0%
Truck % (Total Traffic)
10.0%
11.0%
-9.5%
Truck % (Highway)
14.0%
16.1%
-13.3%
Avg. Travel Time
32.6 min
33.0 min
-1.3%
Frequently Asked Questions
The average daily traffic volume is calculated at 1,672 vehicles per day, providing a baseline for daily operations and site assessment.
Jefferson carries more highway trucks by raw volume than 13% of counties in Iowa, at roughly 450 per day.
The average travel time for drivers is 32.6 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 10.0% of the total traffic mix across all road types, with a significantly higher concentration of 14.0% on highways.
Approximately 40% of highway traffic and 6% of non-highway traffic consists of vehicles whose trip originates outside Jefferson 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.
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)
