- Signs stored within 16 miles (25 km): 528 (528 from the state's sign permit list).
- Within 3 miles of the centre: 116.
- Traffic counts held: 10,496, 2,193 of them at 20,000+ vehicles a day.
- Busiest counted road: I-270, 182,573 vehicles a day.
- Busy roads with no stored sign within 1 km (0.6 mi): I-270, SR 750, SR 256 and SR 257.
- Most signs near one road: US 23, 119.
Busiest counted roads
| Road | Vehicles a day | Signs within 1 km (0.6 mi) |
|---|---|---|
| I-270 | 182,573 | 0 |
| I-71 | 159,980 | 58 |
| I-670 | 149,991 | 69 |
| I-70 | 149,007 | 68 |
| SR 315 | 124,073 | 41 |
| US 33 | 96,623 | 107 |
| SR 161 | 85,760 | 47 |
| US 23 | 83,281 | 119 |
| SR 16 | 66,625 | 23 |
| SR 750 | 54,904 | 0 |
Where the signs are
US 23 (119), US 33 (107), SR 3 (96), US 40 (96), US 62 (92) and I-670 (69).
| From the centre | Signs |
|---|---|
| Under 1.2 mi | 45 |
| 1.2 mi to 3.1 mi | 71 |
| 3.1 mi to 6.2 mi | 152 |
| 6.2 mi to 12.4 mi | 212 |
| 12.4 mi to 15.5 mi | 48 |
| Vehicles a day | Counts | No sign within 1 km (0.6 mi) |
|---|---|---|
| 20,000 to 50,000 | 1,508 | 778 |
| 50,000 to 100,000 | 329 | 204 |
| 100,000+ | 356 | 228 |
Sign rules: Ohio
- Spacing between signs: interstate 500 ft, federal-aid primary 250 ft in cities, 500 ft outside (Ohio Admin. Code 5501:2-2-02(A)(3)).
- Controlled area: 660 ft from the road (Ohio Admin. Code 5501:2-2-02(A)). The finder checks both for each ranked site.
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Last updated: 14 November 2026. Guide only. Confirm all results with a council planner before you rely on them.