doctor syn on turn table at hythe station Romney, Hythe and Dymchurch Railway: The Romney, Hythe and Dymchurch Railway (RH&DR) is a narrow-gauge heritage railway in Kent, England. It was opened in the 1920s and runs for 13.5 miles (21.7 km) along the coast from Hythe to Dungeness. The railway operates using steam and internal combustion locomotives. The line is known for its small-scale steam locomotives, which were designed to resemble full-sized locomotives but on a narrower gauge.