It uses a frequency of 76 kHz, the fourth harmonic of the FM radio pilot tone.
[1] DARC is well-suited to distributing traffic information because of its higher speed.
In Japan, the VICS (Vehicle Information and Communication System) service has operated since 1996 in the Tokyo, Nagoya and Osaka metropolitan areas.
In the United States, it was used to deliver stock market quotations by Digital DJ beginning in 1998.
[2] In Munich, DARC is used to transmit public transport data to battery-powered signs in bus and tram stations.