Canadian National (CN), the Montreal-based rail operator, has bought the main lines of the U.S. Elgin (EJ&E).

A new study conducted by two Penn State faculty members highlights the potential threats to America’s railroad system, examines the response of government and the rail industry to the post-9/11 security responsibilities, and suggests ways in which public policy and rail operations can be better directed to meet the challenges of security in an age of terrorist activity.