Complex sentence: This scheme is also open to previous workers of either London Buses, or London Underground however previous workers gain their Freedom Pass when they reach 50 years of age, as apose to the normal 60 years old.
Split into simpler sentences: This scheme is also open to previous workers of either London Buses, or London Underground. Previous workers gain their Freedom Pass when they reach 50 years of age, as apose to the normal 60 years old.