Crossword Genius

Begins news bulletin on the radio with place fast trains won't reach (5)

Ross

I believe the answer is:

leeds

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'reach' is the definition.
The definition and answer can be both locations as well as being singular nouns.
Maybe you can see a link between them that I don't see?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for leeds that I've seen before include "English city" , "West Yorkshire city" , "22 [FA CUP] runners-up" , "City on River Aire" , "W Yorkshire city" .)

I've seen this clue in The Independent.
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