British Railways Western Region BR 3007/4 – Working Time Table Rules, London Division is an official operational document detailing the regulations governing the use and interpretation of the Working Time Table within the Western Region’s London Division. It outlines the responsibilities of operating staff, including drivers, guards, signalmen, and controllers, in ensuring services ran safely and to schedule. The booklet explains how timings, allowances, and special instructions were to be applied in day-to-day operation, reflecting the complexity of traffic in the London area. Today, it serves as a valuable reference for historians and enthusiasts, illustrating the disciplined planning and rule-based structure behind British Railways operations.