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Traffic | vehicles per day7,500 |
|---|---|
Trucks | 8.5% |
Average travel time | 34.1 min |
Congestion ratio | 17.5% |
Drivers’ average age | 43.2 yrs |
Drivers’ average income | $103,424 |
Our data shows 7,500 vehicles per day on the average road in Washtenaw County, Michigan, and 9,153,084 vehicle-miles traveled per day (≈3.3 billion per year) across its 897 miles of monitored roads. About 1 in 12 vehicles is a truck, in line with Michigan (7.7%).
Washtenaw's average daily traffic volume of 7,500 vehicles per day is on par with the state average of 7,697. Network-wide, Washtenaw accounts for about 4.2% of Michigan's statewide total of vehicle-miles. 91% of counties in Michigan see less traffic than Washtenaw's 7,500 vehicles per day.
At 34.1 minutes, the average travel time matches the state level closely. 59% of counties in Michigan have a shorter average travel time than Washtenaw's 34.1 minutes.
Congestion is somewhat lower than the state level, at a ratio of 17.5% (5% lower).
| Traffic | vehicles per day28,935 |
|---|---|
| Trucks | 12.5% |
| Average travel time | 44.7 min |
| Congestion ratio | 55.5% |
| Drivers’ average age | 45.9 yrs |
| Drivers’ average income | $103,804 |
Highways carry about half of all travel in Washtenaw County, Michigan, 51% of vehicle-miles. The average highway carries 28,935 vehicles per day, 311% more than the average non-highway road in the same area, which carries 7,047 vehicles per day.
Highways make up 17% of the monitored road miles (155 miles, 589 segments), so they carry more than their share: 4,675,672 vehicle-miles traveled per day (≈1.7 billion per year).
By highway travel volume, that ranks Washtenaw in the top 5 counties in Michigan.
At 12.5%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for Michigan: neither freight- nor commuter-dominated.
78% of counties in Michigan see a lower highway truck share than Washtenaw's 12.5%. By raw truck volume, Washtenaw carries more highway trucks than 97% of counties in Michigan.
| Traffic | vehicles per day7,047 |
|---|---|
| Trucks | 4.4% |
| Average travel time | 33.9 min |
| Congestion ratio | 16.7% |
| Drivers’ average age | 41.5 yrs |
| Drivers’ average income | $103,215 |
Local roads carry about half of all travel in Washtenaw County, Michigan, 49% of vehicle-miles. The average non-highway road carries 7,047 vehicles per day.
Local roads make up 83% of the monitored road miles (742 miles in 27,878 segments) but carry less than their share of travel: 4,477,412 vehicle-miles traveled per day (≈1.6 billion per year). Trucks make up 4.4% of non-highway traffic, about 1 in 23 vehicles.
The concentration of trucks on non-highway roads is 65% lower than on highways.
Non-highway congestion (16.7%) runs slightly lower than the state level (9% lower).
Trip origins here have higher average income than 98% of counties in Michigan. Washtenaw's median driver age is lower than 95% of counties in Michigan.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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