This page delivers traffic analytics for Rock Island County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Rock Island County, Illinois among 622 road miles divided in 9,509 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 345 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.
4,932
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.1 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.
15.1%
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.
$77,232
Our data indicates an estimated average traffic volume of 4,932 vehicles per day in Rock Island County, Illinois that results in 2,778,116 vehicle-miles traveled per day (≈1.0 billion per year). The traffic stream is comprised of an average of 1 truck for every 11 vehicles. Typical time spent behind the wheel per trip is 32.1 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Illinois state averages: Rock Island's average daily traffic volume is 42% lower than the state average - 4,932 vehicles per day against 8,480 - suggesting less traffic load per road, a critical factor for logistics and site planning. Network-wide, Rock Island accounts for about 1.2% of Illinois's statewide total, at 2,778,116 vehicle-miles traveled per day (≈1.0 billion per year). The average trip takes 32.1 minutes, 6% lower than the state level. At 27% lower than the state level, the 15.1% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. Rock Island carries more traffic than 79% of counties in Illinois. 26% of counties in Illinois have a shorter average travel time than Rock Island's 32.1 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.
8,258
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
14.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.2 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.
16.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$79,876
A significant volume of traffic in Rock Island County, Illinois utilizes the highway network. The average highway carries 8,258 vehicles per day, 74% more than the average non-highway road in the same area, which carries 4,735 vehicles per day. That average covers 128 highway road miles divided in 531 segments (average segment length 1,275 ft), together carrying 1,090,693 vehicle-miles traveled per day (≈398 million per year). That is more highway travel volume than 79% of counties in Illinois. Trucks constitute 14.7% of highway traffic.
Analytical insight
The concentration of trucks on highways (14.7%) is 15% lower than the state average for similar road classifications. This indicates Rock Island serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 30% of counties in Illinois see a lower highway truck share than Rock Island's 14.7%. Rock Island's highway truck count is higher than 31% of counties in Illinois, at roughly 1,217 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
4,735
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.1 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.
15.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$76,128
The non-highway road network in Rock Island County, Illinois supports a substantial volume of traffic. The average non-highway road carries 4,735 vehicles per day, 43% less than the average highway in the same area, which carries 8,258 vehicles per day. That average covers 494 non-highway road miles divided in 8,978 segments (average segment length 290 ft), together carrying 1,687,423 vehicle-miles traveled per day (≈616 million per year). Trucks constitute 6.1% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 58% fewer trucks by share. Non-highway congestion (15.0%) runs 27% lower than the state average, pointing to smoother local traffic flow. Overall, average travel time here is longer than 26% of counties in Illinois. 67% of counties in Illinois see lower average driver income among trip origins than Rock Island. 37% of counties in Illinois have a younger driver population than Rock Island.
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 71% higher than the daily average.
Weekend traffic:
Weekend volumes run about 5% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +12% versus the annual average.
Lowest month:
January is the quietest month, with volumes -19% versus the annual average.
Analytical insight
In Rock Island County, Illinois, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +12% in high season.
Traffic Flow Profile Comparison
Metric
Rock Island
Illinois
Average
Difference
Traffic
4,932
8,480
-41.8%
Truck % (Total Traffic)
9.5%
10.2%
-6.6%
Truck % (Highway)
14.7%
17.3%
-14.9%
Avg. Travel Time
32.1 min
34.1 min
-5.8%
Frequently Asked Questions
The average daily traffic volume is calculated at 4,932 vehicles per day, providing a baseline for daily operations and site assessment.
Rock Island's highway truck share of 14.7% is higher than 30% of counties in Illinois.
Drivers on Rock Island roads have a median age of 49 years, and the median household income of the neighborhoods trips originate from averages $77,232 - useful context for retail siting and customer profiling.
Traffic volumes are typically 12% higher during June–August. Volumes drop to their lowest levels in January, averaging 4,000 vehicles per day - a 19% decrease from the annual average.
Approximately 25% of highway traffic and 9% of non-highway traffic consists of vehicles whose trip originates outside Rock Island County, Illinois. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Trucks account for approximately 9.5% of the total traffic mix across all road types, with a significantly higher concentration of 14.7% on highways.
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)
