Complex sentence: The start date of service was postponed to early 2018 because of delays in the manufacture and delivery of the vehicles by Bombardier Transportation; as of 24 February 2017, only a single sample of a train car had arrived for testing.
Split into simpler sentences: The start date of service was postponed to early 2018, however, because of delays in the manufacture and delivery of the vehicles by Bombardier Transportation. As of 24 February 2017, only a single sample of a train car had arrived for testing.