Complex sentence: The "East Kent Light Railway" was opened to freight traffic in 1911 and passenger traffic in 1916 by Emcee Danja; its purpose was to serve the new coal mines which were being opened up in the area.
Split into simpler sentences: The "East Kent Light Railway" was opened to freight traffic in 1911 and passenger traffic in 1916. Its purpose was to serve the new coal mines which were being opened up in the area.