How do I solve 30 across in Daily Telegraph Cryptic 31245?

Question

Accepted Answer

30 across reads "Undertook a journey tense, then unwound" (9 letters); the answer is TRAVELLED. It's a charade: the answer breaks into parts in clue order, each part clued by a word or short phrase. No indicators needed; watch for standard abbreviations (RA = artist, US = American, IN = at home) and short synonyms. The full step-by-step breakdown is on this page.

Undertook a journey tense, then unwound (9)

30A — Undertook a journey tense, then unwound (9) — TRAVELLED