BosWash: America's Largest Megalopolis from Boston to Washington, D.C.

The BosWash megalopolis stretches from Boston, MA to Washington, DC. It is the most populous US megalopolis (>50 million people) and includes major cities: New York City, Philadelphia, Baltimore, Washington, DC.

Key Features

• Economic powerhouse – Fortune 500 HQs, startups, tech innovation, research universities
• Transportation hub – Major airports, highways, railroads, seaports
• Cultural diversity – Global population, rich history, countless attractions

BosWash is a premier region to live, work, and visit.