Complex sentence: The majority of services call at Romford as part of the-Liverpool Street service operated by TfL Rail, but the station is also served by some Abellio Greater Anglia trains to and from and and the Romford to Upminster Line on London Overground links Romford to Upminster.
Split into simpler sentences: The majority of services call at Romford as part of the-Liverpool Street service operated by TfL Rail, but the station is also served by some Abellio Greater Anglia trains to and from and. The Romford to Upminster Line on London Overground links Romford to Upminster.