Clear Channel Radio’s Total Traffic Network has announced that it is now transmitting traffic data in HD in 48 of the top U.S. markets. The launch marks the first commercially available data service over HD Radio, and Clear Channel is working with a variety of receiver manufacturers to make the specially-equipped receivers available by the end of this year.

The Total Traffic Network also announced that it has further expanded its delivery of real-time traffic data over RDS-TMC (Radio Data System Traffic Message Channel) with the addition of 19 new markets, making it available in 68 total cities. The new markets include Albany, NY; Albuquerque, NM; Birmingham, AL; Columbia, SC; Fort Myers, FL; Louisville, KY; Omaha, NE; Portsmouth/Manchester, NH; Richmond, VA; Rochester, NY; Sarasota, FL; Springfield, MA; Syracuse, NY; Toledo, OH; Tucson, AZ; Worcester, MA; Toronto, ON; Ottawa, ON and Montreal, QE. Clear Channel plans to add even more markets throughout the year.

"HD Radio is the future for broadcast data delivery, allowing us to not only deliver traffic data, but provide additional services a well," said Jeff Littlejohn, Clear Channel Radio's EVP of Distribution Development. "Clear Channel Radio is synonymous with high quality traffic data. With the addition of these 19 markets, we cover over 160 million people with our traffic service for consumer devices."