36 CFR Part 1192 Americans with Disabilities Act (ADA) Accessibility Guidelines for Transportation Vehicles (2016 Non-Rail Vehicle Guidelines)
T702 Signs
T702.1 General.
Signs on non-rail vehicles shall comply with T702.
T702.2 Character Style.
Characters shall be displayed in sans serif fonts and shall not use italic, oblique, script, highly decorative, or other unusual forms.
T702.3 Character Proportions.
Characters shall use fonts where the width of the uppercase letter “O” is 55 percent minimum and 110 percent maximum of the height of the uppercase letter “I”.
T702.4 Character Height.
Character height shall comply with Table T702.4. Character height shall be based on the uppercase letter “I”.
Table T702.4—Character Height
|
Sign location |
Minimum character height |
|---|---|
|
Exterior route or destination signs on boarding side of non-rail vehicle |
2 inches |
|
Exterior route or destination signs on front of non-rail vehicle |
4 inches |
|
Interior signs designating wheelchair spaces or priority seats, where baseline of character is equal to or less than 70 inches (1780 mm) above the non-rail vehicle floor |
5/8 inch |
|
Interior signs designating wheelchair spaces, priority seats, stop announcements, or stop requests where baseline of character is more than 70 inches (1780 mm) above the non-rail vehicle floor |
2 inches |
T702.5 Stroke Thickness.
Stroke thickness of the uppercase letter “I” shall be 10 percent minimum and 30 percent maximum of the height of the character.
T702.6 Character Spacing.
Character spacing shall be measured between the two closest points of adjacent characters, excluding word spaces. Spacing between individual characters shall be 10 percent minimum and 35 percent maximum of character height.
T702.7 Line Spacing.
Spacing between the baselines of separate lines of characters within a message shall be 135 percent minimum and 170 percent maximum of the character height.
T702.8 Contrast.
Characters shall contrast with their background with either light characters on a dark background or dark characters on a light background. Where provided, protective surfaces over signs shall have a non-glare finish.
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