The time for conversation has long passed given that the evidence is clear, the tools exist, and the urgency is undeniable. Cities must stop theorizing about innovation partnerships and start creating the regulatory architecture that makes them possible at scale. One such architecture is the regulatory sandbox and the data proves it works.

Along the 215 miles connecting Boston and New York City runs one of the world's most concentrated pathways of intellectual capital, research infrastructure, and innovation capacity. Yet this corridor has largely functioned as a collection of distinct regional ecosystems rather than as an integrated system. The question is no longer whether these cities can innovate independently—they demonstrably can, but by how much can their collective impact on society’s most pressing chal