Engineer's Line References (ELRs)

Mileages

Last update 23 May 2026

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Mileages are given in the form miles.chains unless stated otherwise. Figures prefixed with ≈ are approximate, those in parentheses are not on this route but are given for reference. Reference to 'start'/'end' of an asset are as read down the page.

BOK Broad Street and Old Kew Line via Hampstead (North London Line)

BOK3 Kensal Green Junction to Willesden High Level Junction

   5.13	Kensal Green Junction with BOK2 and KGW
   5.36	start of Down High Level viaduct and start of Up High Level viaduct
   5.39	WILLESDEN JUNCTION high level
   5.47	end of Down High Level viaduct and end of Up High Level viaduct
   5.48	Willesden High Level Junction with BOK4 (0.00) and WMB (0.43)