Complex road junction? One following path gets lost (9)

I believe the answer is:

spaghetti

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'complex road junction?' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.

'one following path gets lost' is the wordplay.
'one' becomes 'i' (Roman numeral).
'following' is a charade indicator (letters next to each other).
'lost' is an anagram indicator.
'path'+'gets'='pathgets'
'pathgets' is an anagram of 'spaghett'.
'i' put after 'spaghett' is 'SPAGHETTI'.

Can you help me to learn more?

(Other definitions for spaghetti that I've seen before include "Pasta - Birmingham junction" , "Past eight (anag.)" , "Stringed pasta" , "Wind up eating this" , "A dish from the gas-pit" .)

I've seen this clue in The Telegraph.

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