Complex sentence: The station and all trains are operated by Silverlink, and the normal service is a train every 15 minutes to Richmond and a train every 15 minutes to Stratford, with alternating services continuing to North Woolwich.
Split into simpler sentences: The station and all trains are operated by Silverlink. The normal service is a train every 15 minutes to Richmond and a train every 15 minutes to Stratford, with alternating services continuing to North Woolwich.