Quiet Coach = deafened by tannoy announcements on divers subjects, including, but not limited to: relative but unstated proximity of carriage from platform; entreaties to remain vigilant for terrorists, bombs, vials of sarin, dangerous subversives, etc.; warnings that your possessions may be stripped from your cold dead hands and blown to smithereens by a band of minimally trained 'security personel' at any moment; inference that you may be charged with possession of inoffensive items at any time; long lists of station stops, 'connecting' services; inter-company diatribes; intra-company diatribes; performance of services running before and behind this; political innuendo; unsubstantiated promises of punctuality; observations on the weather that can be observed from the windows of the carriage; capacity, current occupation and service provision of other carriages; exhaustive lists of ticket validity/invalidity; musings on current ticketing policy ...