"Paul Corfield" wrote in message
...

The last I read there were 10 S Stocks available for daily use on the
Met. One of the early units has been temporarily converted to a S7
for testing purposes - it was out and about last weekend between
Barking and Aldgate East.

The latest on District Dave is that from next week the S8s will be randomly
used on any Met service, because they can go anywhere, and enough of the
drivers are fully trained.

Paul S