This page delivers traffic analytics for Gillespie County, Texas. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Gillespie County, Texas among 300 road miles divided in 2,742 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 578 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.
3,972
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.5 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.
9.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
57.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$74,328
Our data indicates an estimated average traffic volume of 3,972 vehicles per day in Gillespie County, Texas that results in 869,985 vehicle-miles traveled per day (≈318 million per year). The traffic stream is comprised of an average of 1 truck for every 9 vehicles. Typical time spent behind the wheel per trip is 32.5 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Texas state averages: Gillespie sees 42% lower average daily traffic volume than the state average (3,972 vehicles per day against 6,895), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Gillespie accounts for about 0.1% of Texas's statewide total, at 869,985 vehicle-miles traveled per day (≈318 million per year). Journey times here (32.5 minutes on average) closely track the state level. The congestion ratio of 9.3% is 43% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. 69% of counties in Texas see less traffic than Gillespie's 3,972 vehicles per day. On travel time, Gillespie runs longer than 28% 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.
6,759
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
13.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.3 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.
9.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
56.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$75,567
A significant volume of traffic in Gillespie County, Texas utilizes the highway network. The average highway carries 6,759 vehicles per day, 154% more than the average non-highway road in the same area, which carries 2,666 vehicles per day. That average covers 89 highway road miles divided in 875 segments (average segment length 537 ft), together carrying 505,575 vehicle-miles traveled per day (≈185 million per year). Trucks constitute 13.5% of highway traffic.
Analytical insight
At 13.5%, highway truck share is 2% lower than the state average, marking Gillespie as a primarily local traffic hub - underscoring the importance of local access for logistics operators. Gillespie's highway truck share (13.5%) is higher than 38% of counties in Texas. Gillespie's highway truck count is higher than 35% of counties in Texas, at roughly 912 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,666
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.2 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.
9.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
57.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$73,179
The non-highway road network in Gillespie County, Texas supports a substantial volume of traffic. The average non-highway road carries 2,666 vehicles per day, 61% less than the average highway in the same area, which carries 6,759 vehicles per day. That average covers 211 non-highway road miles divided in 1,867 segments (average segment length 597 ft), together carrying 364,410 vehicle-miles traveled per day (≈133 million per year). Trucks constitute 6.6% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 51% fewer trucks by share. Non-highway congestion (9.3%) runs 42% lower than the state average, pointing to smoother local traffic flow. Gillespie's overall average travel time exceeds 28% of counties in Texas. Gillespie's average driver income exceeds 66% of counties in Texas. Gillespie's median driver age is higher than 98% of counties in Texas.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM 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 15% below weekday levels.
Seasonal Fluctuation
Busy season:
March–May is the high season, with volumes +4% versus the annual average.
Lowest month:
August is the quietest month, with volumes -6% versus the annual average.
Analytical insight
In Gillespie County, Texas, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +4% in high season.
Traffic Flow Profile Comparison
Metric
Gillespie
Texas
Average
Difference
Traffic
3,972
6,895
-42.4%
Truck % (Total Traffic)
10.6%
9.8%
+8.6%
Truck % (Highway)
13.5%
13.8%
-1.9%
Avg. Travel Time
32.5 min
32.6 min
-0.5%
Frequently Asked Questions
The average daily traffic volume is calculated at 3,972 vehicles per day, providing a baseline for daily operations and site assessment.
Gillespie's average travel time of 32.5 minutes is longer than 28% of counties in Texas.
Drivers on Gillespie roads have a median age of 57 years, and the median household income of the neighborhoods trips originate from averages $74,328 - useful context for retail siting and customer profiling.
Approximately 10% of highway traffic and 9% of non-highway traffic consists of vehicles whose trip originates outside Gillespie 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.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 3:00 PM and 7:00 PM in the evening - about 77% above the daily average.
The average travel time for drivers is 32.5 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 10.6% of the total traffic mix across all road types, with a significantly higher concentration of 13.5% on highways.
Traffic volumes are typically 4% higher during March–May. Volumes drop to their lowest levels in August, averaging 3,729 vehicles per day - a 6% 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)
