- SWR has reduced the Exeter–London service to every two hours and imposed speed limits this summer after hot, dry weather made parts of the track unstable, causing widespread delays.
- Passengers say carriages become stifling once outside temperatures hit about 26°C, with some trips recorded above 36°C as decades-old air conditioning struggles.
- SWR is carrying out track repairs, refurbishing rolling stock and setting up a stakeholder board to lobby for investment — but travellers are doubtful about how soon things will improve.
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