Subseries contains records related to the Esquimalt and Nanaimo Railway Company, which operated rail lines on Vancouver Island. The Canadian Pacific Railway Company extended the line to additional cities after acquiring the Esquimalt and Nanaimo Railway in 1905. Records in this subseries pertain to the railway's business and operations, and include records highlighting employee duties and activities.

These records include papers related to the construction and incorporation of the railway, financial statements, reports, correspondence, blueprints, train timetables, tickets and train passes, advertisements, newspaper clippings, employee handbooks, staff circulars, employee diaries and logs, shipping receipts, and photographs.