 New services quickly followed, with the number of routes increasing to 27 by October 1931 and the number of coaches to 275.Green Line also began to acquire some of its independent competitors.The laying over of coaches in central London began to create congestion, so, to relieve this, some routes were linked to form cross-London services, and a short-lived coach station was opened in Poland Street, Soho at the end of 1930.