Complex sentence: The 172/0s and 172/1s resemble the existing "Turbostar" trains in not having end gangways and have a top speed of due to their use on the high volume/short distance services, such as those on the Gospel Oak to Barking Line.
Split into simpler sentences: The 172/0s and 172/1s resemble the existing "Turbostar" trains in not having end gangways. Class 172/0s have a top speed of due to their use on the high volume/short distance services, such as those on the Gospel Oak to Barking Line.