The Burlington and Northwestern Railway (B&NW) was a 3 ft (914 mm) narrow gauge railroad system in Iowa that operated during the late nineteenth and early twentieth centuries. It connected Burlington, Iowa with branches to Washington and Oskaloosa, Iowa. Incorporated in 1875 as the Burlington and Northwestern Narrow Gauge Railway Company, it began carrying traffic in 1876, when it also dropped 'narrow gauge' from its corporate name. The line reached Washington in 1880, operating over 52.5 miles (84.5 km) of track. In 1881, the Burlington and Western Railway Company, a subsidiary of the Chicago, Burlington and Quincy Railroad (CB&Q) was formed to connect the line to Oskaloosa, completed in 1883. For two decades, both lines were operated as a single system, until on June 20, 1902, the system