Boston’s MBTA and Chicago’s CTA are in hot water. The U.S. Department of Transportation has formally warned both agencies: fix rider and worker safety issues, or lose federal transit funding. The demand comes on the heels of recent incidents involving injuries, and is the latest in a string of similar actions - New York was targeted last month under the same pressure. This isn’t just bureaucratic muscle-flexing. It underscores the growing stakes for transit agencies already strapped with budget shortfalls, ridership fluctuations, and high operating costs. When an agency’s funding depends on meeting safety standards, that forces hard choices—where to invest: surveillance, training, maintenance, worker protections, or new routes. What makes this especially sharp: federal dollars are often essential, especially for operating or maintenance needs that local revenues may not cover. Losing them could mean cutting service, delaying repairs, or raising fares—which hits lowest-income riders hardest. Also worth noting: this demand for safety isn’t new, but agencies have often lagged in responding. Some safety issues go beyond “nice to have”—they shape whether people trust transit as a safe option, influence whether workers stay, and whether riders opt in or out. What to Watch: How exactly Boston & Chicago respond: will they shift operations budgets to safety or reprioritize projects? What parts of their systems are flagged—are these systemic safety issues, or isolated incidents? What effect this has on riders: will service suffer, or will funds be reallocated from expansion toward repair? If this pressure works, it could set precedent: agencies across many cities may need to treat safety not as an add-on, but as central.