Original: Until its closure in 1994, it was the easternmost point of the Central line, and from 1961 until closure, it held the distinction of being the London Underground station farthest from Central London.
Simplified: Until its closure in 1994, it was the easternmost point of the Central line, and from 1961 until its closure in 1994 it held the distinction of being the London Underground station farthest from Central London.