Providence and Worcester Railroad
The Providence and Worcester Railroad (P&W; reporting mark PW) is a Class II railroad operating 612 miles (985 km) of tracks in Rhode Island, Massachusetts, and Connecticut, as well as New York via trackage rights. The company was founded in 1844 to build a railroad between Providence, Rhode Island, and Worcester, Massachusetts, and ran its first trains in 1847.
Source: Wikipedia — Providence and Worcester Railroad (CC BY-SA 4.0)