The Lehigh and Hudson River Railway (L&HR) was the smallest of the six railroads that were merged into Conrail in 1976.

The Northern Pacific Railway (reporting mark NP) was a transcontinental railroad that operated across the northern tier of the western United States, from Minnesota to the Pacific Northwest.

The Detroit, Grand Haven and Milwaukee Railway is a defunct railroad which operated in the US state of Michigan during the late 19th and early 20th centuries. Itself the product of several consolidations in the 1870s, it became part of the Grand Trunk Western Railroad in 1928.