The Amtrak Downeaster runs right outside my window. During a 24 hour period, about fifty cars go by, almost empty, usually six or less cars per train. Every s

The Amtrak Downeaster runs right outside my window. During a 24 hour period, about fifty cars go by, almost empty, usually six or less cars per train. Every single freight train that goes by has at least fifty cars, and they roll all night....