AMP: 0 Location: Merritt Pkwy and King St, Greenwich Welcome to Connecticut! CT 15 is Connecticut’s longest state highway and begins as the Merritt Parkway, taking over from New York’s Hutchinson River Parkway but continuing its exit numbers (at least until 2021, when the Hutch switched to mile-based exits). AMP: 0 Location: Merritt Pkwy and … Continue reading Connecticut Route 15, NY-120A/Hutchinson River Pkwy/NY State Line to CT 104