Mass. and Cass, also known as Methadone Mile or Recovery Road, is an area in Boston, Massachusetts, located at and around the intersection of Melnea Cass Boulevard and Massachusetts Avenue. Due to its concentration of neighborhood services providing help, the area around Mass. and Cass has long attracted a large number of people struggling with homelessness and drug addiction, especially after the closure of facilities on Long Island in Boston Harbor. It has been characterized as "the epicenter of the region's opioid addiction crisis".