An all-volunteer, donation-funded BLS corps runs about 3,000 patient contacts a year inside Central Park, on a fleet of ambulances built to fit under the transverse tunnels. Fifty years in, CPMU is a case study in what embedded, venue-native EMS actually looks like.

The State EMS Progressiveness & Readiness (SPaR) Maturity Model was born from a simple but pressing question: How do we compare EMS systems across the U.S. in a way that is fair, actionable, and forward-looking?