One common complaint is that the trains stop for between one to four minutes at each station, long after passengers have boarded and alighted from the train. This "empty" delay leaves many passengers frustrated while waiting for the train to move.
- http://news.insing.com/tabloid/netizens-complain-about-circle-line-trains/id-6ce03e00
- http://news.insing.com/tabloid/netizens-complain-about-circle-line-trains/id-6ce03e00