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[email protected] · May 8th 17, 11:14 PM posted to uk.transport.london

In article , d () wrote:

On Mon, 8 May 2017 14:02:38 +0100
Mike Bristow wrote:
In article ,
Recliner wrote:
Can't masts be erected while the line is open?

I doubt it; it'll involve workers too close to the running line,
let alone the risk of the mast fouling the track should anything
go even slightly wrong.

Isn't that exactly what's being done on the great western line?

That's a four track railway so they have more chances to close one pair of
tracks only.

--
Colin Rosenstiel