This page delivers traffic analytics for Grand County, Colorado. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Grand County, Colorado among 197 road miles divided in 1,650 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 629 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.
4,284
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
30.3 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.
13.5%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$83,838
Our data indicates an estimated average traffic volume of 4,284 vehicles per day in Grand County, Colorado that results in 728,105 vehicle-miles traveled per day (≈266 million per year). The traffic stream is comprised of an average of 1 truck for every 13 vehicles. Typical time spent behind the wheel per trip is 30.3 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Colorado state averages: Grand sees 37% lower average daily traffic volume than the state average (4,284 vehicles per day against 6,752), suggesting less demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 728,105 vehicle-miles traveled per day (≈266 million per year), roughly 0.6% of Colorado's statewide total. The average trip takes 30.3 minutes, 9% lower than the state level. Congestion runs 14% lower than the state level, at a ratio of 13.5% - smoother traffic flow - crucial for traffic control improvement and logistics planning. 65% of counties in Colorado see less traffic than Grand's 4,284 vehicles per day. On travel time, Grand runs longer than 24% of counties in Colorado.
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.
4,592
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
53.4 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.
11.5%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$87,070
A significant volume of traffic in Grand County, Colorado utilizes the highway network. The average highway carries 4,592 vehicles per day, 8% more than the average non-highway road in the same area, which carries 4,235 vehicles per day. That average covers 42 highway road miles divided in 230 segments (average segment length 975 ft), together carrying 167,781 vehicle-miles traveled per day (≈61.2 million per year). Trucks constitute 10.8% of highway traffic.
Analytical insight
The concentration of trucks on highways (10.8%) is 4% lower than the state average for similar road classifications. This indicates Grand serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 45% of counties in Colorado see a lower highway truck share than Grand's 10.8%. Grand's highway truck count is higher than 17% of counties in Colorado, at roughly 495 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
4,235
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
26.5 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.
13.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
52.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$83,631
The non-highway road network in Grand County, Colorado supports a substantial volume of traffic. The average non-highway road carries 4,235 vehicles per day, 8% less than the average highway in the same area, which carries 4,592 vehicles per day. That average covers 154 non-highway road miles divided in 1,420 segments (average segment length 573 ft), together carrying 560,324 vehicle-miles traveled per day (≈205 million per year). Trucks constitute 6.7% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 38% fewer trucks by share. At 8% lower than the state level, the non-highway congestion ratio of 13.8% signals easier movement on local roads. 24% of counties in Colorado see shorter overall travel times than Grand. Grand's average driver income exceeds 63% of counties in Colorado. Grand's median driver age is higher than 76% of counties in Colorado.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 12:00 PM–6:00 PM, with volumes reaching approximately 87% higher than the daily average.
Weekend traffic:
Weekend volumes run about 16% below weekday levels.
Seasonal Fluctuation
Busy season:
July–September is the high season, with volumes +49% versus the annual average.
Lowest month:
January is the quietest month, with volumes -38% versus the annual average.
Analytical insight
In Grand County, Colorado, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is pronounced at +49% in high season.
Traffic Flow Profile Comparison
Metric
Grand
Colorado
Average
Difference
Traffic
4,284
6,752
-36.5%
Truck % (Total Traffic)
7.7%
8.4%
-8.9%
Truck % (Highway)
10.8%
11.2%
-4.1%
Avg. Travel Time
30.3 min
33.2 min
-8.8%
Frequently Asked Questions
The average daily traffic volume is calculated at 4,284 vehicles per day, providing a baseline for daily operations and site assessment.
The driver population in Grand skews older than 76% of counties in Colorado.
Trucks account for approximately 7.7% of the total traffic mix across all road types, with a significantly higher concentration of 10.8% on highways.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 12:00 PM and 6:00 PM in the evening - about 87% above the daily average.
Traffic volumes are typically 49% higher during July–September. Volumes drop to their lowest levels in January, averaging 2,642 vehicles per day - a 38% decrease from the annual average.
The average travel time for drivers is 30.3 minutes, offering a standard metric for commute and delivery route planning.
Drivers on Grand roads have a median age of 52 years, and the median household income of the neighborhoods trips originate from averages $83,838 - useful context for retail siting and customer profiling.
Approximately 12% of highway traffic and 1% of non-highway traffic consists of vehicles whose trip originates outside Grand County, Colorado. 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)
