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Line Space
Streetname Signs
Guide Signs
Conceptual Applications

Typeface Display

Research & Design


Streetname Signs
 
When using mixed case letters on street name signs, the initial capital letter is not vertically centered on the panel as is common practice when all uppercase letters are used. The space between the baseline and the bottom of the sign panel is greater than the distance from the top of the panel to the top of the initial capital letter. This relationship should be consistent whether the legend contains descenders on not. These proportions are illustrated below (Figures 1 and 2).  

 

 


Figure 1.
Street name panel with sheeting placed edge to edge for maximum field
 



 
For typical street name signs, it is more effective to wrap the entire blade with sheeting to create a larger field for the legend. In compliance with section 2D.38 Street Name Sign (D3), the most appropriate layout uses a 6 inch cap-height with a 2X (12 inch) blank or a 4 inch cap-height with an 8 inch blank (Figure 1). The minimum acceptable layout (Figure 2) uses a 6 inch cap-height with a 10 inch blank and a 4 inch cap-height with a 6.66 inch blank to appropriately accommodate the descender.




Figure 2.
The minimum recommended blade size for a mixed case sign with 6 inch initial capital letter height is 10 inches tall and does not include a border. The legend alignment is dimensioned in the top example (FIgure 19b.) with the legend alignment shown proportionally in the bottom example.



These examples demonstrate ClearviewHwy 1-W and ClearviewHwy 2-W, with same size and alternate superscript road type designation. Street name signs using ClearviewHwy 1-W and ClearviewHwy 2-W with mixed cased legends will use more space vertically than all uppercase letters. However, the mixed case will improve both legibility and ease of recognition.