Clive D. W. Feather writes
In article , Dave
writes
When the ELL is extended to H&I [1], 8 trains per hour are proposed -
with the existing 4 trains per hour, that means 12 trains per hour (or
one every 3 mins).

Um: one every *five* minutes.

Indeed.

I can't even claim it was late at night. No excuses, just not engaging
brain!

--
Dave