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
Owned-and-operated television stations in the United States in May 1994, the network arranged a deal with New World Communications, which saw nearly all of that group's stations (most of which were VHF outlets) becoming Fox affiliates. Fox then acquired New World Communications outright in July 1996, and those VHF stations (including one in Dallas) became Fox owned-and-operated stations in the process. The network, however, did acquire more UHF O&Os in subsequent years, including Philadelphia's WTXF-TV (channel 29) in 1995, Orlando's WOFL (channel 35) in 2002 and Charlotte's WJZY (channel 46) in 2013. As a result of the New World deal, CBS lost its longtime Detroit affiliate WJBK