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<br />09/28/01--09: 49 -FAX 6517664690 <br /> <br />COLLIERS TOWLE ---- <br /> <br />~002--- <br /> <br />e . Minimum Required <br />Viewing Distance Letter Height <br /> 100 ft. 4 in. <br /> 250 ft. 10 in. <br /> 360 ft. (city block) 16 in. <br /> 500 ft. 22 in. <br /> 750 ft. 33 in. <br /> I 000 ft. 43 in. <br /> 1320 ft. (1/4 mile) 57 in. <br /> <br />e <br /> <br />Calculations based on externally (or naturally) <br />lit sign with all upper case Helvetica letters <br />utilizing optimal negative space. Factors that may <br />affect required letter size are: color scheme, <br />font selection. traffic and weather conditions, or <br />sign standoff. . Please refer to the complete study <br />for additional information. For further details <br />contact the USSC at I ~215-785-1922. <br /> <br />ThiS leller vislbili!y chart has been mode (ar you based up an infor. <br />motion provided by the Pennsylvania Transportatian Institute. Penn <br />Stote Universiry and the United Swtes Sign Council (USSC). @ f 998 <br /> <br />e <br />