 With this main news, I'm Sandra Harris. It's 12.04. Amtrak is installing a new $50 million high-tech control system to improve safety on more than 100 miles of track between Brunswick and Haverhill, Massachusetts. Positive control technology is designed to prevent train-to-train collisions, derailments, and other hazards. Northern New England Passenger Rail Authority Executive Director Patricia Quinn says it's needed to add a six-round trip between Brunswick and Wells to serve commuters.