Complex sentence: The works successfully stopped making GWR classes and moved in 1949 to producing BR standard classes, with 200 being produced until 1960, including BR's last steam locomotive BR standard class 9F 92220 Evening Star.
Split into simpler sentences: The works successfully stopped making GWR classes and moved in 1949 to producing BR standard classes, with 200 being produced until 1960. However, it also brought about an end to steam locomotive production, with the works producing BR's last steam locomotive BR standard class 9F 92220 Evening Star.