Complex sentence: These negotiations failed, but in August agreement was reached with the Eastern Counties Railway (ECR) to use their new Shoreditch terminus-the latter needed the additional income to finance its main line to Colchester.
Split into simpler sentences: These negotiations failed, but in August agreement was reached with the Eastern Counties Railway (ECR) to use their new Shoreditch terminus. It should be noted that the latter needed the additional income to finance its own main line to Colchester.