Illinois Administrative Code
Title 89 - SOCIAL SERVICES
Part 890 - TELECOMMUNICATION DEVICES FOR THE HEARING IMPAIRED
Subpart B - TELECOMMUNICATION DEVICES FOR THE DEAF IN MAJOR PUBLIC TRANSPORTATION SITES
Section 890.110 - Installation

a) Airports and railroad stations shall have at least one Telecommunication Device for the Deaf (TDD) located in each terminal or building used by the public for commercial carrier travel. The location of the TDD(s) shall be clearly marked with a legible sign as set forth in subsection (c), and all building/terminal maps and/or diagrams available to assist the public must clearly indicate the location of the TDD(s).

b) The TDD(s) must be available to the general public from at least 30 minutes before the first commercial carrier flight or train of the day to 30 minutes after the last commercial carrier flight or train of the day.

c) Sign used to designate the location(s) of TDD(s) must be visible and legible to the public and bear the logo as given in Illustration A. The sign must be at least 15" by 15" in size and show the logo in white on a blue background. In addition to sign(s) designating the location(s) of TDD(s), the operating authority must make printed information available to the user of the TDD regarding the operation of the TDD, the use of the TDD with TDD operator assisted calls (1+800-855-1155) for calling card, collect or billed third numbers, the availability and location of third party assistance (Section 830.190 ), and the reporting of malfunctioning TDDs to the Department of Human Services by calling (217) 782-8610, voice or TDD.

d) The operating authority of the airport or railroad station is responsible for any costs related to the installation of the TDD(s).