
Total Traffic Volume & Performance in San Juan County, New Mexico
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,783 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 12.0% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.7 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 12.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 44.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $63,562 |
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A typical monitored road in San Juan County, New Mexico sees 3,783 vehicles per day, while its 1,100 miles of monitored roads together handle 3,387,736 vehicle-miles traveled per day (≈1.2 billion per year). About 1 in 8 vehicles is a truck, fewer than the 1 in 6 across New Mexico.
Busier roads than 69% of counties in New Mexico
At 3,783 vehicles per day, the average monitored road in San Juan carries 17% less traffic than the state average of 4,562, suggesting less demand on each road - a factor worth weighing in site selection and logistics planning. Across the whole network, that travel is about 5.3% of New Mexico's statewide total. 69% of counties in New Mexico see less traffic than San Juan's 3,783 vehicles per day.
Journey times here (35.7 minutes on average) closely track the state level. On travel time, San Juan runs longer than 50% of counties in New Mexico.
The congestion ratio of 12.0% is 16% lower, pointing to smoother traffic flow than the state level - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in San Juan County, New Mexico
| Traffic | vehicles per day7,164 |
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| Trucks | 14.2% |
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| Average travel time | 38.4 min |
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| Congestion ratio | 17.1% |
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| Drivers’ average age | 44.5 yrs |
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| Drivers’ average income | $62,059 |
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Highways carry about half of all travel in San Juan County, New Mexico, 53% of vehicle-miles. The average highway carries 7,164 vehicles per day, 120% more than the average non-highway road in the same area, which carries 3,262 vehicles per day.
With 36% of the road miles (395 miles in 1,447 segments), highways punch above their length, carrying 1,811,799 vehicle-miles traveled per day (≈661 million per year).
77% of counties in New Mexico move less traffic on their highways.
Lower highway truck share than 71% of counties in New Mexico
Highway truck concentration here runs 36% lower than the state average, at 14.2%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 71% of counties in New Mexico. 71% of counties in New Mexico see more highway trucks per day than San Juan's roughly 1,017.

Non-highway Traffic in San Juan County, New Mexico
| Traffic | vehicles per day3,262 |
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| Trucks | 9.5% |
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| Average travel time | 35.3 min |
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| Congestion ratio | 11.3% |
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| Drivers’ average age | 45.1 yrs |
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| Drivers’ average income | $64,303 |
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Local roads carry about half of all travel in San Juan County, New Mexico, 47% of vehicle-miles. A typical local road sees 3,262 vehicles per day.
Spread over 705 miles and 9,396 segments, 64% of the road network, local roads carry a lighter load per mile: 1,575,938 vehicle-miles traveled per day (≈575 million per year). About 1 in 11 vehicles on non-highway roads is a truck (9.5%).
Drivers from higher-income areas than 75% of counties in New Mexico
The concentration of trucks on non-highway roads is 33% lower than on highways.
At 25% lower than the state level, the non-highway congestion ratio of 11.3% signals easier movement on local roads.
75% of counties in New Mexico see lower average driver income among trip origins than San Juan. The driver population here skews younger than 69% of counties in New Mexico.