This volume presents the Southern Pacific Lines System Employee Timetables from 1942. It offers a detailed look into the operational schedules and routes of one of America's major railroads during a pivotal year in history. The timetables would have been essential for train dispatchers, engineers, and other personnel to manage the complex network of passenger and freight services across the Southern Pacific's vast territory.

This collection of historical employee timetables serves as a valuable primary source for researchers and enthusiasts of railroad history. The specific nature of the content—operational schedules—suggests a focus on the practicalities of running a major railway system during a significant historical period. Its utility lies in providing direct evidence of the logistics and planning involved in 1942's rail operations.