On 2013-04-30 15:59:09 +0000, Robin9 said:

Quantify "well used".

Figures were posted above. I live close by the line, midway between
Dalston and Haggerston, and if you want reassurance I can tell you than
there is much development in the area and many new flats, businesses
and an influx of young people. The stations will get busier but are
already fairly well used but many outlying stations have quiet periods
off peak. The line got much busier when the Highbury link was opened
and even busier now with Clapham.

E.