On 23/11/2010 10:52, George wrote:

In fairness that was a fairly minor error although it is sloppy and
unprofessional, the best one I heard (can't remember which radio
station) was a report of delays on the Hammersmith Line and also
delays on the City Line, they hadn't realised the H&C is one line

I've seen that in "official" material at least once.

--
Arthur Figgis Surrey, UK