Chiltern Railways London to Aylesbury/Birmingham class 165 Turbo Trains 168 Clubman's, also turbostars also freight class 66 Freightliners with London's excess waste and a rakes of MK3 intercity trains with new DB diesel Locos plus Underground Trains from amersham. 3 lines.. 2 to London 55 mins journeys and one conecting London to Birmingham moor street. Alternatively West coast mainline London to Birmingham.