station operates on low-power antennas along Presidente Dutra Highway, between São Paulo and Rio de Janeiro, on frequency 107.5 MHz, and airs information about traffic and news. Between 2004 and 2018, Radiovia Freeway FM'', a TIS station operated in 88.3 MHz, was also on the air along the BR-290, between Porto Alegre and the northern coast of Rio Grande do Sul. The service of TIS stations is not provided for by the Brazilian broadcasting law, however, Folha de S. Paulo has reported in July 2019 that the Brazilian Ministry of Communications wants to include in its agenda the regularization of TIS stations. In May 2021, the Brazilian government launched the project to implement TIS stations on the country's federal highways, authorizing concessionaires to operate radio stations with coverage on the roads. Australia In some areas of Australia stations operate on 87.6–88 MHz FM. Nigeria TIS stations operate in some areas of Nigeria. See also Tourist information WNKI578: Idyllwild, California emergency public safety station. References External links FCC's directory of TIS stations (FCC.gov) "Small Entity Compliance Guide: Travelers' Information Stations" (FCC.gov) Travelers Information System Planning Handbook United States Park Service, March 1979 (npshistory.com) American Association of Information Radio Operators (AAIRO.org) Road transport Radio formats