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Traffic heat map of San Miguel County, Colorado: 66 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Highway 145 Spur

San Miguel County, Colorado Traffic Counts

TrafficZoom tracks traffic on 66 road miles in San Miguel County, Colorado, divided into 433 segments averaging 805 ft. The average road here carries 3,212 vehicles a day, 52% less than the Colorado average of 6,752. Built from cross-verified mobile and road-sensor data, these counts help you size up a retail site, plan logistics routes or assess infrastructure needs.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in San Miguel County, Colorado

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day3,212
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

8.1%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

23.0 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

9.2%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

48.6 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$91,746

A typical monitored road in San Miguel County, Colorado sees 3,212 vehicles per day, while its 66 miles of monitored roads together handle 186,255 vehicle-miles traveled per day (≈68.0 million per year). About 1 in 12 vehicles is a truck, in line with Colorado (8.4%).

Shorter trips than 97% of counties in Colorado

San Miguel sees 52% lower average daily traffic volume than the state average (3,212 vehicles per day against 6,752), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.1% of Colorado's statewide total of vehicle-miles. 52% of counties in Colorado see less traffic than San Miguel's 3,212 vehicles per day.

The average trip takes 23.0 minutes, 31% lower than the state level. On travel time, San Miguel runs shorter than 97% of counties in Colorado.

Congestion runs 42% lower than the state level, at a ratio of 9.2%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In San Miguel County, Colorado, the peak hour concentrates about 8% of the day's traffic.

San Miguel County vs. Colorado Traffic Comparison

The average daily traffic per road sets San Miguel County apart: 52% below the Colorado average. Its average travel time is also 31% below.

MetricSan Miguel CountyColorado averageDifference
Traffic3,2126,752-52.4%
Truck % (Total Traffic)8.1%8.4%-4.2%
Avg. Travel Time23.0 min33.2 min-30.7%

How San Miguel County compares

San Miguel County has the shortest trips among its nearby counties

Compared with its 4 closest neighbours, San Miguel County sees 40.8% shorter typical trips; it has the third busiest roads of the five.

San Miguel County and the 4 nearest county-level areas by centroid distance, with the Colorado average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
San Miguel County3,2128.1%186,25523.0 min9.2%
Dolores County, Colorado3,05912.6%110,04142.4 min10.7%
Montrose County, Colorado5,3206.8%762,17431.0 min13.1%
Ouray County, Colorado4,5527.2%284,13438.0 min16.7%
San Juan County, Colorado2,7017.1%90,12944.2 min7.0%
Colorado average6,7528.4%N/A33.2 min15.7%

San Miguel County ranked within Colorado

Average travel time places San Miguel County #62 of 64 in Colorado - the bottom quarter of the state.

San Miguel County ranked among 64 county-level areas in Colorado (1 = highest).
MeasureSan Miguel CountyColorado rank
Traffic volume (AADT)3,212#31 of 64
Average travel time23.0 min#62 of 64
Average driver income$91,746#20 of 64
Average driver age48.6 yrs#23 of 64

San Miguel County ranks #20 of 64 on average driver income but #62 of 64 on average travel time - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in San Miguel County, Colorado

The three busiest roads in San Miguel County average 5,725 vehicles a day, 78% more than the county average of 3,212 across all its monitored roads.

Highway 145 Spur is the busiest road, at 8,176 vehicles a day, 417 of them trucks (5.1%). No other road comes close: Mountain Village Boulevard, in second place, carries 5,249. It tops the truck ranking too, with the most trucks.

Trips using CO 62 are long: a median of 84.8 minutes against 23.0 county-wide, the mark of a through route.

Drivers on CO 62 come from neighborhoods with an average household income of $163,906, 79% above the county average of $91,746, while those on Grand Avenue average $67,920, 26% below it.

Trucks make up 13.7% of traffic on CO 62, against 8.1% across all roads in the county.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Highway 145 SpurPrimary road · 8,176vehicles417trucks · 5.1%
Road class
Primary road
Congestion ratio
26.1%
Median trip time
21.3 min
Drivers’ median age
49.3 yrs
Drivers’ average income
$95,079

Highway 145 Spur is one of the more congested roads here: trips take 26% longer than at free-flow speed, against 9% county-wide.

2Mountain Village BoulevardSecondary road · 5,249vehicles232trucks · 4.4%
Road class
Secondary road
Congestion ratio
15.5%
Median trip time
16.0 min
Drivers’ median age
44.6 yrs
Drivers’ average income
$76,589

Delays build on Mountain Village Boulevard: its congestion ratio of 15% over free-flow time is well above the county's 9%.

3Colorado AvenuePrimary road · 3,749vehicles188trucks · 5.0%
Road class
Primary road
Median trip time
21.4 min
Drivers’ median age
48.9 yrs
Drivers’ average income
$108,178

At 17% more than the county average, Colorado Avenue draws drivers from neighborhoods averaging $108,178 in household income.

4CO 145Primary road · 3,527vehicles286trucks · 8.1%
Road class
Primary road
Congestion ratio
11.0%
Median trip time
29.0 min
Drivers’ median age
49.2 yrs
Drivers’ average income
$89,300

CO 145 is busy by local standards, at 10% more than the county average on its busiest stretch; trucks are 8.1% of it, in line with the county-wide 8.1%.

5Grand AvenuePrimary road · 2,538vehicles239trucks · 9.4%
Road class
Primary road
Congestion ratio
6.0%
Median trip time
28.7 min
Drivers’ median age
55.6 yrs
Drivers’ average income
$67,920

Grand Avenue is a quieter road: its busiest stretch carries 21% less than the county average; trucks are 9.4% of it, above the county-wide 8.1%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Highway 145 SpurPrimary road · #1 by traffic8,176vehicles417trucks · 5.1%
2CO 145Primary road · #4 by traffic3,527vehicles286trucks · 8.1%
3Grand AvenuePrimary road · #5 by traffic2,538vehicles239trucks · 9.4%
4Mountain Village BoulevardSecondary road · #2 by traffic5,249vehicles232trucks · 4.4%
5CO 62Primary road · 1,689vehicles230trucks · 13.7%
Road class
Primary road
Congestion ratio
3.3%
Median trip time
84.8 min
Drivers’ median age
50.8 yrs
Drivers’ average income
$163,906

Even at its busiest, CO 62 carries 47% less than the county average; trucks are 13.7% of it, above the county-wide 8.1%.

How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

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)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

San MiguelDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near San Miguel County

The same traffic breakdown for the areas closest to San Miguel County, Colorado.

Need segment-level traffic data?

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