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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day2,249 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 14.5% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 34.9 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 8.0% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 48.8 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $76,693 |
A typical monitored road in Spencer County, Indiana sees 2,249 vehicles per day, while its 265 miles of monitored roads together handle 734,766 vehicle-miles traveled per day (≈268 million per year). Trucks are 14.5% of traffic, more than the 12.1% across Indiana.
Spencer's average daily traffic volume is 61% lower than the state average - 2,249 vehicles per day against 5,704 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 0.5% of Indiana's statewide total of vehicle-miles. By volume, Spencer's 2,249 vehicles per day trails 87% of counties in Indiana.
At 34.9 minutes, the average travel time matches the state level closely. 70% of counties in Indiana have a shorter average travel time than Spencer's 34.9 minutes.
Congestion runs 49% lower than the state level, at a ratio of 8.0%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
| Traffic | vehicles per day6,306 |
|---|---|
| Trucks | 18.5% |
| Average travel time | 41.0 min |
| Congestion ratio | 17.0% |
| Drivers’ average age | 48.2 yrs |
| Drivers’ average income | $76,185 |
A little more than half of the driving in Spencer County, Indiana happens on highways: 60% of all vehicle-miles. The average highway carries 6,306 vehicles per day, 256% more than the average non-highway road in the same area, which carries 1,770 vehicles per day.
With 32% of the road miles (85 miles in 351 segments), highways punch above their length, carrying 442,060 vehicle-miles traveled per day (≈161 million per year).
Highway truck concentration here runs 5% lower than the state average, at 18.5%. The highway traffic mix is typical for Indiana: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 57% of counties in Indiana. 79% of counties in Indiana see more highway trucks per day than Spencer's roughly 1,167.
| Traffic | vehicles per day1,770 |
|---|---|
| Trucks | 8.5% |
| Average travel time | 34.2 min |
| Congestion ratio | 7.0% |
| Drivers’ average age | 49.5 yrs |
| Drivers’ average income | $77,213 |
Local roads carry a significant share of travel in Spencer County, Indiana: 40% of all vehicle-miles. A typical local road sees 1,770 vehicles per day.
Local roads make up 68% of the monitored road miles (180 miles in 2,973 segments) but carry less than their share of travel: 292,705 vehicle-miles traveled per day (≈107 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.5%).
The concentration of trucks on non-highway roads is 54% lower than on highways.
Non-highway congestion (7.0%) runs 54% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have higher average income than 65% of counties in Indiana. 65% of counties in Indiana have a younger driver population than Spencer.
Of the four measures, average daily traffic per road differs most: Spencer County runs 61% below the Indiana average. Its truck share, by contrast, is 20% above.
| Metric | Spencer County | Indiana average | Difference |
|---|---|---|---|
| Traffic | 2,249 | 5,704 | -60.6% |
| Truck % (Total Traffic) | 14.5% | 12.1% | +20.1% |
| Truck % (Highway) | 18.5% | 19.6% | -5.5% |
| Avg. Travel Time | 34.9 min | 33.5 min | +4.2% |
Set against the average of the 4 areas nearest to it, Spencer County is 34.0% less congested and carries 30.7% less traffic on a typical road; it has the fourth busiest roads of the five. Quiet roads and long journeys - a rural pattern, where the distance between destinations rather than the traffic on the way is what takes the time.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Spencer County | 2,249 | 14.5% | 734,766 | 34.9 min | 8.0% |
| Warrick County, Indiana | 3,806 | 11.0% | 1,556,665 | 29.2 min | 11.8% |
| Daviess County, Kentucky | 5,008 | 8.1% | 1,814,506 | 33.2 min | 17.8% |
| Hancock County, Kentucky | 1,761 | 9.3% | 238,246 | 29.5 min | 6.8% |
| Perry County, Indiana | 2,404 | 16.4% | 496,983 | 34.2 min | 12.2% |
| Indiana average | 5,704 | 12.1% | N/A | 33.5 min | 15.6% |
Spencer County sits in the bottom quarter of the Indiana field on average daily traffic volume, at #80 of 92.
| Measure | Spencer County | Indiana rank |
|---|---|---|
| Traffic volume (AADT) | 2,249 | #80 of 92 |
| Highway vehicle-miles per day | 442,060 | #48 of 79 |
| Truck share on highways | 18.5% | #45 of 79 |
| Highway trucks per day | 1,167 | #63 of 79 |
| Average travel time | 34.9 min | #27 of 92 |
| Average driver income | $76,693 | #33 of 92 |
| Average driver age | 48.8 yrs | #33 of 92 |
The three busiest roads in Spencer County average 11,619 vehicles a day, 5.2 times the county average of 2,249 across all its monitored roads.
I 64 leads with 16,054 vehicles a day, 4,298 of them trucks (26.8%). It also carries the most trucks.
I 64 carries longer journeys than most roads here, with a median trip of 66.5 minutes against 34.9 county-wide.
Trucks make up 26.8% of traffic on I 64, against 14.5% across all roads in the county.
A main artery: I 64's busiest stretch carries 7.1 times the county average; trucks are 26.8% of it, above the county-wide 14.5%.
Delays build on SR 66: its congestion ratio of 28% over free-flow time is well above the county's 8%.
Travel on SR 161's busiest stretch runs 20% over free-flow time, against 8% across the county, so expect slower peak hours.
On its busiest stretch, Sycamore Street carries 2.8 times the county average; trucks are 10.6% of it, below the county-wide 14.5%.
US 231 peaks at 6,002 vehicles a day, 2.7 times the county average; trucks are 13.4% of it, below the county-wide 14.5%.
County Road 100 carries 2.6 times the county average at its busiest, 877 of them trucks (15.0%, in line with the county-wide 14.5%).
Drivers on William H. Natcher Bridge are on long journeys, a median 49.1 minutes against 34.9 county-wide: a through route more than a local street.
The average monitored road in Spencer carries 2,249 vehicles per day, 61% less than the Indiana average of 5,704.
Spencer carries less traffic than 87% of counties in Indiana, averaging 2,249 vehicles per day.
Trucks make up about 14.5% of all traffic in Spencer County, Indiana, rising to 18.5% on highways, where long-haul freight concentrates.
Weekday traffic has two busy windows: AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–6:00 PM - about 85% above the daily average.
The average trip in Spencer takes 34.9 minutes, about the same as the Indiana average, delays at signals and congestion included.
Approximately 34% of highway traffic and 25% of non-highway traffic consists of vehicles whose trip originates outside Spencer County, Indiana. A sizeable share of highway traffic comes from outside, mixed with local trips on the same roads.
Drivers on Spencer roads have a median age of 49 years, older than the Indiana average of 46, and the median household income of the neighborhoods trips originate from averages $76,693, 6% below the Indiana average.
I 64 carries the most, 16,054 vehicles per day on its busiest stretch, followed by SR 66 (11,433), SR 161 (7,370), Sycamore Street (6,199), US 231 (6,002). Figures are AADT, both directions combined.
I 64, with about 4,298 trucks per day on its busiest stretch, 26.8% of its 16,054 vehicles.
About 16,054 vehicles per day in both directions on its busiest stretch, including 4,298 trucks (26.8%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

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Historical traffic pattern databases
The same traffic breakdown for the areas closest to Spencer County, Indiana.
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