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Traffic | vehicles per day2,517 |
|---|---|
Trucks | 8.9% |
Average travel time | 28.7 min |
Congestion ratio | 10.1% |
Drivers’ average age | 46.5 yrs |
Drivers’ average income | $89,978 |
A typical monitored road in Madison County, Iowa sees 2,517 vehicles per day, while its 242 miles of monitored roads together handle 480,482 vehicle-miles traveled per day (≈175 million per year). Trucks are a smaller part of the mix than across Iowa: 8.9% against 11.0%.
Madison sees 17% lower average daily traffic volume than the state average (2,517 vehicles per day against 3,042), suggesting less demand on each road - a factor worth weighing in site selection and logistics planning. In total volume terms, its road network carries about 0.6% of Iowa's statewide total of vehicle-miles. 80% of counties in Iowa see less traffic than Madison's 2,517 vehicles per day.
At 28.7 minutes, the average travel time is 13% lower than the state level. 97% of counties in Iowa have a longer average travel time than Madison's 28.7 minutes.
The congestion ratio of 10.1% runs slightly lower than the state level (12% lower) - crucial for traffic control improvement and logistics planning.
| Traffic | vehicles per day10,487 |
|---|---|
| Trucks | 24.5% |
| Average travel time | 57.7 min |
| Drivers’ average age | 44.9 yrs |
| Drivers’ average income | $88,262 |
Only a small share of travel in Madison County, Iowa happens on highways: 10% of vehicle-miles. The average highway carries 10,487 vehicles per day, 318% more than the average non-highway road in the same area, which carries 2,507 vehicles per day.
Yet highways are only 2% of the road network, 5 miles in 4 segments, so each mile of them is 5.2 times as busy as the average road mile.
The concentration of trucks on highways (24.5%) is 52% higher than the state average for similar road classifications. That marks Madison as a major freight corridor, where highway access is what logistics operators compete on.
93% of counties in Iowa see a lower highway truck share than Madison's 24.5%. Madison's highway truck count is higher than 94% of counties in Iowa, at roughly 2,570 trucks per day.
| Traffic | vehicles per day2,507 |
|---|---|
| Trucks | 7.2% |
| Average travel time | 28.7 min |
| Congestion ratio | 10.1% |
| Drivers’ average age | 46.6 yrs |
| Drivers’ average income | $90,061 |
Nearly all driving in Madison County, Iowa happens on local roads: 90% of every vehicle-mile. The average non-highway road carries 2,507 vehicles per day.
Local roads also make up about 98% of the monitored road miles: 237 miles in 2,944 segments, together carrying 433,365 vehicle-miles traveled per day (≈158 million per year). About 1 in 14 vehicles on non-highway roads is a truck (7.2%).
The concentration of trucks on non-highway roads is 71% lower than on highways.
Non-highway congestion (10.1%) runs slightly lower than the state level (9% lower).
Madison's average driver income is higher than 95% of counties in Iowa. Madison's median driver age is lower than 84% of counties in Iowa.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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