"Railway Construction" by William Hemingway Mills is a scientific publication written in the early 20th century. The work presents a thorough examination of the various engineering principles involved in the construction of railways. It encompasses topics such as location, gradients, curves, and the structures required for effective railway arrangements, aimed primarily at civil engineers and students in the field. The opening of "Railway Construction" introduces the complexities of railway line location and the associated government regulations that must be adhered to during the planning process. The author discusses various considerations, such as the need to serve populated areas and industrial sites while avoiding private properties. Additionally, it covers the impact of natural terrain on railway construction, including mountains and valleys, and emphasizes the balance between efficient design and the need for economic expenditure in creating optimal routes. This sets the stage for a detailed exploration of railway design principles, the necessary infrastructure, and the financial implications of railway construction outlined throughout the book. (This is an automatically generated summary.)