Specify building and roof levels
Survey whether places have seating
Survey whether benches have backrests
culvert and stream arrangements
Updated route: London Buses route 388 → Stratford City, #3519863
Updated route: London Buses route 388 → London Bridge, #3519862
Updated route: London Buses route 97 → Chingford Station, #7868484
ref 'W' according to tf sources
Updated route: London Buses route 97 → Stratford City, #1866658
further simplification at Alton Water
mild simplification of Alton Water relation (to stop recent leak)
added IP9 postcodes from Code_point open
Specify whether public transport stops have tactile paving