Letter Visibility Chart

Letter Visibility Chart

Letter Visibility Chart

VIEWING

DISTANCE

MINIMUM
REQUIRED

LETTER
HEIGHT

100 ft.

4

250 ft.

10”

360
ft. (city block)

16”

500 ft.

22”

750 ft.

33”

1000 ft.

43”

1320 ft. (1/4 mile)

57”

 

This letter visibility
chart has been made for you based upon information provided by Pennsylvania
Transportation Institute, Penn State University and the United States Sign
Council (USSC). c1998

Calculations based on
externally (or naturally) lit sign with al
upper case Helvetica letters utilizing optimal negative space. Factors that may
affect required letter size are: color scheme, font selection, traffic and
weather conditions, or sign standoff. Please refer to the complete study for
additional information.

 

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