"Cats" <ramwater@uk2.net> wrote in message
news:215cd602-ec19-4c06-bcd4-f466a652d1eb@c58g2000hsc..com...
On Jul 17, 1:15 pm, "Peter Masson" <peter.mass...@> wrote:
<snip>
>>
>> It has the advantage that Jubilee Line trains can be turned back at
>> Willesden Green or Wembley Park by running them into a reversing siding
>> between the Down and Up Slows (compare Welwyn Garden City, where a
flyover
>> had to be built to take terminating trains from the bay platforms on the
>> Down Side to the Up Slow).
>
>I'm sure the arrangement predates the Jubilee line by many years,
>though if I remember correctly that's a renaming of part of the
>Bakerloo line.
The Met lines were quadrupled between Finchley Road and Willesden Green
between 1913 and 1915, and on to Harrow in 1932. AIUI the arrangement with
the slow lines inside the fasts was intended to facilitate turning back of
short workings. The Stanmore branch was opened, as part of the Met, in 1932,
and the slow lines south of Wembley Park together with the Stanmore branch
were transferred to the Bakerloo in 1939, and then to the Jubilee in the
1970s.
Peter