abc Rail Guide has established itself as the single most comprehensive, detailed, accurate and reliable guide to the railway networks of the British Isles. The new 2026 edition of this bestselling annual publication has, as always, been thoroughly revised for its regular March publication date. The book provides the full fleet lists of the Train Operating Companies, open access and freight operators as well as a round-up of new trains, charter operators, rolling stock providers, spot hire and maintenance providers. Stock used by Network Rail and the Channel Tunnel operators is also listed. In addition to the national networks, abc Rail Guide also provides full coverage of London Underground, the DLR and all tram, metro and light rail systems. Main line preservation groups, depots and maintenance works, heritage lines, preserved locos, main line steam, charter promoters and scrapyards are also all included.