On 21 Oct, 10:18, Paul wrote:
On 21 Oct, 10:07, David wrote:

On Oct 20, 11:25*pm, "Jack Taylor" wrote:

Offramp wrote:
I was *thinking* of Baker Street and Bond Street!

And Great Portland Street and Baker Street.

So that makes 3 in a row, sort of; maybe that is unique

Tangentially, here is my underground quiz question (a 3 parter)
On which Underground line is only 1 station served by all* trains?
On which Underground line are only 2 stations served by all trains?
On which Underground line are only 3 stations served by all trains?

*at normal times of day, at least

Are the first two answers

District Line (Earls Court)
Waterloo And City Line (Waterloo and Bank)

I thought the third might be the Northern Line (Kennington, Euston and
Camden Town) but that does not account for the Mill Hill East shuttle.

For the second can you count the Metropolitan: Baker Street and
Finchley Road?

The third I think probly was intended to the the Northern. Can't
think of anything else that comes close.