The uppercase letter "I" shall be used to determine the allowable height of all characters of a font. The uppercase letter "I" of the font shall have a minimum height complying with Table 703.2.4. Viewing distance shall be measured as the horizontal distance between the character and an obstruction preventing further approach towards the sign.
|Height above Floor to Baseline of |
|Horizontal Viewing Distance||Minimum Character Height|
|40 inches (1015 mm) to less than or |
equal to 70 inches (1780 mm)
|Less than 6 feet (1830 mm)||5/8 inch (16 mm)|
|6 feet (1830 mm) and greater||5/8 inch (16 mm), plus 1/8 inch (3.2 mm) |
per foot (305 mm) of viewing distanceabove 6 feet (1830 mm)
|Greater than 70 inches |
(1780 mm) to less than or equal to
120 inches (3050 mm)
|Less than 15 feet (4570 mm)||2 inches (51 mm)|
|15 feet (4570 mm) and greater||2 inches (51 mm), plus 1/8 inch (3.2 mm) |
per foot (305 mm) of viewing distanceabove 15 feet (4570 mm)
|Greater than 120 inches |
|Less than 21 feet (6400 mm)||3 inches (75 mm)|
|21 feet (6400 mm) and greater||3 inches (76 mm), plus 1/8 inch (3.2 mm) |
per foot (305 mm) of viewing distanceabove 21 feet (6400 mm)
Visual characters shall be 40 inches (1015 mm) minimum above the floor of the viewing position, measured to the baseline of the character. Heights shall comply with Table 703.2.4, based on the size of the characters on the sign.
EXCEPTION: Visual characters indicating elevator car controls shall not be required to comply with Section 703.2.9.
The uppercase letter "I" shall be used to determine the allowable height of all characters of a font.The height of the uppercase letter "I" of the font, measured vertically from the baseline of the character, shall be 5/8 inch (16 mm) minimum, and 2 inches (51 mm) maximum.
Tactile characters shall be 48 inches (1220 mm) minimum above the floor, measured to the baseline of the lowest tactile character and 60 inches (1525 mm) maximum above the floor, measured to the baseline of the highest tactile character.
Where a tactile sign is provided at a door, the sign shall be alongside the door at the latch side. Where a tactile sign is provided at double doors with one active leaf, the sign shall be located on the inactive leaf.Where a tactile sign is provided at double doors with two active leaves, the sign shall be to the right of the right-hand door. Where there is no wall space on the latch side of a single door, or to the right side of double doors, signs shall be on the nearest adjacent wall.Signs containing tactile characters shall be located so that a clear floor area 18 inches (455 mm) minimum by 18 inches (455 mm) minimum, centered on the tactile characters, is provided beyond the arc of any door swing between the closed position and 45 degree open position.
Characters and their background shall have a nonglare finish. Characters shall contrast with their background with either light characters on a dark background, or dark characters on a light background.
EXCEPTION: Where separate tactile characters and visual characters with the same information are provided, tactile characters are not required to have nonglare finish or to contrast with their background.
Braille dots shall have a domed or rounded shape and shall comply with Table 703.4.3.
|Measurement range||Minimum in inches |
Maximum in inches
|Dot base diameter||0.059 (1.5 mm) to 0.063 (1.6 mm)|
|Distance between two dots in the same cell||0.090 (2.3 mm) to 0.100 (2.5 mm)|
|Distance between corresponding |
dots in adjacent cells1
|0.241 (6.1 mm) to 0.300 (7.6 mm)|
|Dot height||0.025 (0.6 mm) to 0.037 (0.9 mm)|
|Distance between corresponding dots |
from one cell directly below1
|0.395 (10.0 mm) to 0.400 (10.2 mm)|
Braille shall be below the corresponding text. If text is multi-lined, braille shall be placed below entire text. Braille shall be separated 3/8 inch (9.5 mm) minimum from any other tactile characters and 3/8 inch (9.5 mm) minimum from raised borders and decorative elements. Braille provided on elevator car controls shall be separated 3/16 inch (4.8 mm) minimum either directly below or adjacent to the corresponding raised characters or symbols.
Braille shall be 48 inches (1220 mm) minimum and 60 inches (1525 mm) maximum above the floor, measured to the baseline of the braille cells.
EXCEPTION: Elevator car controls shall not be required to comply with Section 703.4.5.
The International Symbol of Accessibility shall comply with Figure 703.6.3.1.
The International Symbol of TTY shall comply with Figure 703.6.3.2.
Assistive listening systems shall be identified by the International Symbol of Access for Hearing Loss complying with Figure 703.6.3.3.
Telephones with volume controls shall be identified by a pictogram of a telephone handset with radiating sound waves on a square field complying with Figure 703.6.3.4.
Accessible pedestrian signals shall comply with Section 4E.06 - Accessible Pedestrian Signals, and Section 4E.08 - Accessible Pedestrian Signal Detectors, of the Manual on Uniform Traffic Control Devices listed in Section 105.2.1.
EXCEPTION: Pedestrian signals are not required to comply with the requirement for choosing audible tones.
A clear floor space complying with Section 305 shall be provided. The clear floor space shall not be obstructed by bases, enclosures, or seats.
When in use, the touch surface of TTY keypads shall be 34 inches (865 mm) minimum above the floor.
EXCEPTION: Where seats are provided, TTYs shall not be required to comply with Section 704.5.
Detectable warning surfaces shall have truncated domes complying with Section 705.5.
A clear floor space complying with Section 305 shall be provided in front of the machine.
EXCEPTION: Clear floor space is not required at drive up only automatic teller machines and fare machines.
Numeric keys shall be arranged in a 12-key ascending or descending telephone keypad layout. The number Five key shall have a single raised dot.
Function keys shall contrast visually from background surfaces. Characters and symbols on key surfaces shall contrast visually from key surfaces. Visual contrast shall be either light-on-dark or dark-on-light.
The display screen shall be visible from a point located 40 inches (1015 mm) above the center of the clear floor space in front of the machine.
EXCEPTION: Drive up only automatic teller machines and fare machines shall not be required to comply with Section 707.7.1.
Machines shall be speech enabled. Operating instructions and orientation, visible transaction prompts, user input verification, error messages, and all displayed information for full use shall be accessible to and independently usable by individuals with vision impairments. Speech shall be delivered through a mechanism that is readily available to all users including, but not limited to, an industry standard connector or a telephone handset. Speech shall be recorded or digitized human, or synthesized.
Speech shall be capable of being repeated and interrupted by the user. There shall be a volume control for the speech function.
EXCEPTION: Speech output for any single function shall be permitted to be automatically interrupted when a transaction is selected.
Where receipts are provided, speech output devices shall provide audible balance inquiry information, error messages, and all other information on the printed receipt necessary to complete or verify the transaction.