On 29 Mar, 20:45, Charles Ellson wrote:
Bakerloo tube stock is generally incompatible with both LU surface
stock and the NR-style stock announced as intended to be used on the
"London Overground" services which will eventually use the DC lines,
so those are two reasons for not re-extending Bakerloo Line services
to Watford Junction.

What's your point? If the Bakerloo were extended it would no longer
share any track with National Rail stock, and there are four platforms
(two islands) at Watford Junction for DC Lines and trains via Croxley,
so two could be Met height and two could be tube height.

U