2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)

11B-216.9 TTYs.

Identification and directional signs for public TTYs shall be provided in accordance with Section 11B-216.9.

11B-216.9.1 Identification signs.

Public TTYs shall be identified by the International Symbol of TTY complying with Section 11B-703.7.2.2.

11B-216.9.2 Directional signs.

Directional signs indicating the location of the nearest public TTY shall be provided at all banks of public pay telephones not containing a public TTY. In addition, where signs provide direction to public pay telephones, they shall also provide direction to public TTYs. If a facility has no banks of telephones, the directional signs shall be provided at the entrance or in a building directory. Directional signs shall comply with Section 11B-703.5 and shall include the International Symbol of TTY complying with Section 11B-703.7.2.2.

[2010 ADA Standards] 216.9.2 Directional Signs. Directional signs indicating the location of the nearest public TTY shall be provided at all banks of public pay telephones not containing a public TTY. In addition, where signs provide direction to public pay telephones, they shall also provide direction to public TTYs. Directional signs shall comply with 703.5 and shall include the International Symbol of TTY complying with 703.7.2.2.