According to The Turnpikes of New England (Frederic James Wood (1919), The Turnpikes of New England and Evolution of the Same through England, Virginia, and Maryland, Marshall Jones Company. Pages 315-317.), a public stage road was completed in 1815 from the head of the Mystic River in Connecticut as far as Wyoming, and a franchise was proposed for building the New London Turnpike road covering the Providence to West Greenwich section, and the Providence and Pawcatuck Turnpike Company was chartered in 1816. The Groton and Stonington Turnpike (now Connecticut Route 184) was chartered in 1818. The Hopkinton and Richmond Turnpike was chartered in 1820.