Tim Roll-Pickering wrote:
Christopher A. Lee wrote:

I remember seeing this proposed 40+ years ago. I showed it to my old
man (who worked on the Met) who said it was originally planned
pre-war.

Was there ever any thought given during the original construction of
the Met branch to a link-up? Or was there too much competition
between the LNER and the LMSR?

I don't know, but a Met station was built in Watford High St and is still
there AFAIK. The line never reached it.