Governmental entities, as well as park districts and authorities,
may be eligible to operate a Travelers' Information Station (TIS, also called Highway Advisory Radio)
for the purpose of disseminating information by broadcast radio to travelers. A license is required
before construction of, or operation of, a Travelers' Information
This service, which was created in 1977 by
the Report and Order in Docket 20509, FCC 77-414, 67 FCC 2d 917 (1977), is
covered under rule 47 CFR 90.242. Travelers' Information Stations operate in the AM Broadcast
Band (530 kHz - 1700 kHz) and are limited to a 10 watt transmitter output power, an antenna height no greater than
15 meters (49.2 feet), and a coverage radius of 3 km. These stations may not transmit
commercial information. (Some revisions to the service's rules were adopted in
PS Docket 09-19.) This service is not available to
individuals or groups, but only to governmental entities
and park districts. See47 CFR 90.242 and 47 CFR 90.20(a).
State and Local Governments may also create state-wide networks to provide
non-commercial public safety information via radio using LPFM stations (see the LPFM page).
Applications for this type of service must be filed on Form 318 during
LPFM filing windows, and will be processed by the Audio Division, Media Bureau.
The search form below uses the
General Menu Reports,
specifically a modified form of the Site/Frequency search.
The service code for TIS stations is PW (Conventional Public
Safety Pool) in the Land Mobile - Private (LP) category.
The frequency range for TIS stations will be between 530 and 1700 KHz (K). Database information for
AM band Travelers' Information Stations stations is maintained by PSHSB and is updated as needed.