"D7666" wrote in message
...
On Sep 28, 2:52 am, Basil Jet wrote:

Underground lines by their geographic direction;

First, try defining up/down on the Circle Line.

Try defining north/south/east/west on the Circle Line. ;-)

We don't for internal use.

We use 'inner' and 'outer'


Up in Glasgow they use inner and outer circle for the Subway and the
Cathcart circle. The latter use 2Ixx and 2Oxx for the headcodes on the
Cathcart circle.

John