This volume aims to provide a comprehensive overview of global railway systems during the mid-1970s. It compiles data and information on various national and international railway networks, detailing their operational status, infrastructure, and key developments in the period. The book draws on official reports, industry publications, and potentially expert contributions to present a factual account of the state of railways worldwide. Its primary argument is to serve as a definitive reference for the era, highlighting the diversity and interconnectedness of rail transport across different continents.

The 'World Railways' series is generally regarded as a highly detailed and authoritative reference for railway enthusiasts and historians. This particular edition, covering 1974-75, is valued for its snapshot of a specific period of transition in global rail transport. The comprehensive data and factual reporting make it a dependable resource for understanding the state of railways at that time.