Chapter T7: Communication Features

T701 General.  The technical requirements in Chapter T7 shall apply where required by Chapter T2.

T702 Signs

T702.1 General.  Characters on signs shall comply with T702.

T702.2 Character Proportions.  Characters shall be selected from 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".

T702.3 Character Height.  Character height shall comply with Table T702.3.  Character height shall be based on the uppercase letter “I”.

Table T702.3 Character Height
SignMinimum Character Height
Exterior route or destination signs on boarding side of vehicle 51 mm (2 inches)
Exterior route or destination signs on front of vehicle 100 mm (4 inches)
Interior signs designating wheelchair  spaces or priority seats, where baseline of character is 1015 mm (40 inches) to 1780 mm (70 inches) above the vehicle floor 16 mm (⅝ inch)
Interior signs designating wheelchair spaces, priority seats, stop announcements, or stop requests where baseline of character is more than 1780 mm (70 inches) above the vehicle floor 51 mm (2 inches)

T702.4 Stroke Thickness.  Stroke thickness of the uppercase letter "I" shall be 10 percent minimum and 30 percent maximum of the height of the character.

T702.5 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.

T702.6 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.

T702.7 Contrast.  Characters shall contrast with their background with either light characters on a dark background or dark characters on a light background.

T703 International Symbol of Accessibility.  The International Symbol of Accessibility shall comply with Figure T703.  The symbol shall have a background field height of 100 mm (4 inches) minimum.  The symbol and its background shall have a non-glare finish.  The symbol shall contrast with its background with either a light symbol on a dark background or a dark symbol on a light background.

 

T703 International Symbol of Accessibility
ISA symbol

T704 Automated Stop and Route Announcements 

T704.1 General.  Automated stop and route announcements shall comply with T704, and shall use recorded or digitized human speech.

T704.2 Automated Stop Announcements.  Automated stop announcements shall be audible and visible within the vehicle.  Visible announcements shall be a sign complying with T702 at the front of the vehicle.  Where rear facing wheelchair securement systems are provided, an additional sign complying with T702 shall be located within view of passengers facing the rear of the vehicle.

T704.3 Automated Route Announcements.  Automated route announcements shall be audible at boarding and alighting areas.

T705 Stop Request Systems

T705.1 General.  Stop request systems shall provide audible and visible indicators when passengers request a vehicle to stop at designated stops on the vehicle’s assigned route.  Audible indicators shall be verbal or non-verbal signals, and shall sound only once for each stop.  Visible indicators shall be a light or sign complying with T702 at the front of the vehicle, and shall extinguish when the vehicle door opens at a stop.

T705.2 Operation.  Stop request systems shall be operable at each wheelchair space and at priority seats for passengers with disabilities.  Operable parts shall comply with T805.  At wheelchair spaces, operable parts shall be located on a side wall or partition 610 mm (24 inches) minimum and 915 mm (36 inches) maximum from the side of the wheelchair space facing the back of a wheelchair secured in the wheelchair space.