High ways? (3)

I think it could be either:

Which length description are you looking for?:

els

'high ways?' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for els that I've seen before include "Successful owner of several clubs" , "Angular distances above the horizon" , "Golfer; elevated railways" , "US urban railways" , "South African golfer" .)

I've seen this clue in The New York Times.

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