"David" wrote in message

AFAIK roundels with station names only now exist on platforms. The
one at Southgate was in the street.

This is what Street View now shows at Southgate:
http://maps.google.com/maps?f=q&source=s_q&hl=en&q=Southgate,+Enfield...

Here is a selection of roundels at Mile End:
http://maps.google.com/maps?f=q&sour.... 26,,1,-5.74

That is a motley collection indeed! But none of the three commits the
errors that Union Street manages.