ViewingDistance | Minimum RequiredLetter Height |
100 ft. | 4 inches |
250 ft. | 10 inches |
360 ft. (city block) | 16 inches |
500 ft. | 22 inches |
750 ft. | 33 inches |
1000 ft. | 43 inches |
1320 ft. (1/4 mile) | 57 inches |
ViewingDistance | Minimum RequiredLetter Height |
100 ft. | 4 inches |
250 ft. | 10 inches |
360 ft. (city block) | 16 inches |
500 ft. | 22 inches |
750 ft. | 33 inches |
1000 ft. | 43 inches |
1320 ft. (1/4 mile) | 57 inches |