The Northeast Corridor runs from Boston to Washington, DC. It’s the most heavily traveled rail corridor in the US in a region representing 20% of the US gross domestic product.

KEARNEY, NJ (PIX11) –The Portal North Bridge, the busiest rail bridge in the United States, responsible for 20% of the country’s economic activity– is officially getting replaced. State… ...

Portal is considered one of the busiest railroad bridges in the western hemisphere, used by up to 200,000 passengers a day. When it gets stuck, it causes long lasting problems for passengers.