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Traffic | vehicles per day9,822 |
|---|---|
Trucks | 6.8% |
Average travel time | 31.2 min |
Congestion ratio | 27.8% |
Drivers’ average age | 51.0 yrs |
Drivers’ average income | $147,642 |
The average monitored road in Marin County, California carries 9,822 vehicles per day. Across its 401 miles of monitored roads, that adds up to 5,877,928 vehicle-miles traveled per day (≈2.1 billion per year). About 1 in 15 vehicles is a truck, in line with California (7.8%).
Marin's average daily traffic volume is 23% lower than the state average - 9,822 vehicles per day against 12,766 - suggesting less traffic load per road - a factor worth weighing in site selection and logistics planning. Across the whole network, that travel is about 0.6% of California's statewide total. By volume, Marin's 9,822 vehicles per day outpaces 74% of counties in California.
The average trip takes 31.2 minutes, 10% lower than the state level. On travel time, Marin runs shorter than 89% of counties in California.
Congestion here (27.8%) closely tracks the state level.
| Traffic | vehicles per day54,659 |
|---|---|
| Trucks | 8.1% |
| Average travel time | 39.6 min |
| Congestion ratio | 67.2% |
| Drivers’ average age | 50.5 yrs |
| Drivers’ average income | $140,613 |
Highways carry more than half of all travel in Marin County, California (69% of vehicle-miles). The average highway carries 54,659 vehicles per day, 565% more than the average non-highway road in the same area, which carries 8,222 vehicles per day.
That comes from just 18% of the monitored road miles: 74 miles in 289 segments, carrying 4,045,356 vehicle-miles traveled per day (≈1.5 billion per year).
That is more highway travel volume than 53% of counties in California.
Highway truck concentration here runs 22% lower than the state average, at 8.1%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Marin's highway truck share (8.1%) is lower than 78% of counties in California. By raw truck volume, Marin carries more highway trucks than 78% of counties in California.
| Traffic | vehicles per day8,222 |
|---|---|
| Trucks | 3.8% |
| Average travel time | 30.9 min |
| Congestion ratio | 26.4% |
| Drivers’ average age | 51.9 yrs |
| Drivers’ average income | $159,681 |
A significant share of driving in Marin County, California, 31% of vehicle-miles, happens on local roads. A typical local road sees 8,222 vehicles per day.
Spread over 327 miles and 8,098 segments, 82% of the road network, local roads carry a lighter load per mile: 1,832,572 vehicle-miles traveled per day (≈669 million per year). About 1 in 26 vehicles on non-highway roads is a truck (3.8%).
Non-highway roads carry a truck concentration that's 53% lower than the highway network.
The non-highway congestion ratio of 26.4% is in line with the state level.
Trip origins here have higher average income than 96% of counties in California. Marin's median driver age is higher than 82% of counties in California.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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