 Don't wait. Join the Cascades family where your comfort and well-being are our top priority. That's 866-25-SLEEP or cascades1.com. The WTOP Traffic Center. Tracking the top trouble spots. The biggest backups. The major incidents. The slowest traffic. WTOP Traffic. Every 10 minutes on the 8th and when it breaks. It's 838. As advertised, traffic and weather on the 8th starting in the Traffic Center with Carlos Ramirez.