North London line then it was switched to . Later, it was cut back to . A tunnel, the Hampstead Heath tunnel, runs under Hampstead between and . The line is double track throughout, with a mix of triple and quadruple track between and . The former North Woolwich branch included a section of single track between Custom House and North Woolwich stations, and the Broad Street branch was at one time formed of quadruple track. During the February–May 2010 blockade, the , and stations were rebuilt to allow the extended East London line to serve Highbury & Islington on fully segregated tracks
Stations of the Resurrection any Church authorities sought to impose a definitive list, and as a result some churches have commissioned sets of sculptures for the Stations according to their own distinctive scheme which may not be followed elsewhere. (This is similar to the history of the Stations of the Cross, which attained their normative form only after many centuries of widely varying local practice.) As to the "number" of Stations, however, there is general agreement that in order to emphasise the complementarity between the Stations of the Cross and the Stations of the Resurrection there should be fourteen Stations of the Resurrection, as