Two east coast US casino operators are merging.

Dover Downs Gaming and Entertainment of Delaware and Twin River Worldwide of Rhode Island are combining to turn Twin River into a publicly-traded company.

The deal sees shareholders exchanging Dover Down stock for Twin River shares. Twin River results for the year ended 2017 saw revenues of $428.8m and net income of $63.5m.

Dover Downs is a resort destination with 2,200 slots, table games a sports book and has the Four Diamond Hotel with 500 rooms, spa, concert hall and 41,500sq.ft of event space.

Twin River owns and manages two casinos in Rhode Island, one in Biloxi, Mississippi, and a Colorado horse racing track. Its Twin River Casino in Lincoln, Rhode Island, has 4,220 VLTs, 119 slots and will shortly feature a 136-room hotel.

It also has the Newport Grand Casino in Rhode Island that will close in late August when Tiverton Casino opens on September 1. The new casino will have 1,000 VLTs, 32 tables and an 83-room hotel.

In Mississippi Twin River has the Hard Rock Hotel and Casino in Biloxi with 1,200 VLTs, 52 table games and a 479-room hotel.