Credit: Drivers heading up Interstate 270 to Frederick, Md. last Saturday probably wondered out loud \"Hey? What\'s going on? Why is I-270 a rolling parking lot.\"

Frederick explains last weekend’s massive gridlock

US-15 gets new speed cameras at Frederick

Tough Mudder officials plan refunds

Speed cameras added to U.S. 15 work zone

Flags flying at half-staff for Patriot Day

Fort Detrick to receive $100 million grant to study PTSD