This page delivers traffic analytics for Harris County, Texas. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Harris County, Texas among 7,466 road miles divided in 207,587 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 190 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.
10,080
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.1 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.
20.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
41.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$99,363
Our data indicates an estimated average traffic volume of 10,080 vehicles per day in Harris County, Texas that results in 107,067,377 vehicle-miles traveled per day (≈39.1 billion per year). The traffic stream is comprised of an average of 1 truck for every 15 vehicles. Typical time spent behind the wheel per trip is 33.1 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Texas state averages: Harris sees 46% higher average daily traffic volume than the state average (10,080 vehicles per day against 6,895), suggesting more demand on each road - a critical factor for logistics and site planning. Network-wide, Harris accounts for about 15% of Texas's statewide total, at 107,067,377 vehicle-miles traveled per day (≈39.1 billion per year). Journey times run 1% higher than the state level, at 33.1 minutes on average. At 25% higher than the state level, the 20.4% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. Harris carries more traffic than 99% of counties in Texas. On travel time, Harris runs longer than 34% of counties in Texas.
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.
48,758
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
39.0 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.
61.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
41.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$99,874
A significant volume of traffic in Harris County, Texas utilizes the highway network. The average highway carries 48,758 vehicles per day, 449% more than the average non-highway road in the same area, which carries 8,887 vehicles per day. That average covers 1,182 highway road miles divided in 6,215 segments (average segment length 1,004 ft), together carrying 55,395,454 vehicle-miles traveled per day (≈20.2 billion per year). No county in Texas moves more traffic on its highways. Trucks constitute 9.2% of highway traffic.
Analytical insight
Highway truck concentration here runs 33% lower than the state average, at 9.2% - positioning Harris as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 4% of counties in Texas see a lower highway truck share than Harris's 9.2%. Harris's highway truck count is higher than 97% of counties in Texas, at roughly 4,466 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
8,887
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
4.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.9 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.
19.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
41.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$98,984
The non-highway road network in Harris County, Texas supports a substantial volume of traffic. The average non-highway road carries 8,887 vehicles per day, 82% less than the average highway in the same area, which carries 48,758 vehicles per day. That average covers 6,284 non-highway road miles divided in 201,372 segments (average segment length 165 ft), together carrying 51,671,923 vehicle-miles traveled per day (≈18.9 billion per year). Trucks constitute 4.2% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 54% lower than the highway network. The non-highway congestion ratio of 19.2% is 20% higher than the state level, suggesting slower local mobility than the state average. Harris's overall average travel time exceeds 34% of counties in Texas. 94% of counties in Texas see lower average driver income among trip origins than Harris. Harris's median driver age is higher than 18% of counties in Texas.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 60% higher than the daily average.
Weekend traffic:
Weekend volumes run about 12% below weekday levels.
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +2% versus the annual average.
Lowest month:
January is the quietest month, with volumes -7% versus the annual average.
Analytical insight
In Harris County, Texas, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +2% in high season.
Traffic Flow Profile Comparison
Metric
Harris
Texas
Average
Difference
Traffic
10,080
6,895
+46.2%
Truck % (Total Traffic)
6.8%
9.8%
-30.8%
Truck % (Highway)
9.2%
13.8%
-33.4%
Avg. Travel Time
33.1 min
32.6 min
+1.4%
Frequently Asked Questions
The average daily traffic volume is calculated at 10,080 vehicles per day, providing a baseline for daily operations and site assessment.
Harris carries more highway trucks by raw volume than 97% of counties in Texas, at roughly 4,466 per day.
The average travel time for drivers is 33.1 minutes, offering a standard metric for commute and delivery route planning.
Traffic volumes are typically 2% higher during August–October. Volumes drop to their lowest levels in January, averaging 9,330 vehicles per day - a 7% decrease from the annual average.
Trucks account for approximately 6.8% of the total traffic mix across all road types, with a significantly higher concentration of 9.2% on highways.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 3:00 PM and 7:00 PM in the evening - about 60% above the daily average.
Approximately 23% of highway traffic and 7% of non-highway traffic consists of vehicles whose trip originates outside Harris County, Texas. 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)
