The Watson Family's

Signs Manufacturing and Maintenance Corporation

 

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(214) 339-2227

(817) 861-1234

(972) 239-4448

 

(800) 333-7137

toll-free

 

Letter Visibility Chart

 

LETTER HEIGHT

READABLE DISTANCE FOR MAXIMUM IMPACT

MAXIMUM READABLE DISTANCE

 

 

 

3"

30'

100'

4"

40'

150'

6"

60'

200'

8"

80'

350'

9"

90'

400'

10"

100'

450'

12"

120'

525'

15"

150'

630'

18"

180'

750'

24"

240'

1000'

30"

300'

1250'

36"

360'

1500'

42"

420'

1750'

48"

480'

2000'

54"

540'

2250'

60"

600'

2500'

 

 

 

NOTE:  The distances will vary approximately 10% with various color combinations.  Maximum distance is in color with RED or BLACK on a WHITE background.   5,280' equals one (1) mile.

 

 

 

Prepared by the California Institute of Technology

 

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