Twice, I'd worried about coordinate across Bristol, say (8)

I believe the answer is:

citywide

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'twice i'd worried about coordinate across bristol say' is the definition.
I can't judge whether this defines the answer.

'twice i'd worried about coordinate' is the wordplay.
'worried' is an anagram indicator.
'about' indicates putting letters inside.
'coordinate' becomes 'Y' (as in X and Y coordinates on a grid).
'twice'+'id'='twiceid'
'twiceid' is an anagram of 'citwide'.
'citwide' placed around 'y' is 'CITYWIDE'.

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I've seen this clue in The Daily Express.

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