Railroads & Locomotives Railroad Operations Famous railroads with unique official nicknames

Famous railroads with unique official nicknames

By Lucas Iverson | November 5, 2025

These railroads thought outside of the box to enhance their identity, branding, and eventual legacy

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Railroads with cumbersome names that can be a mouthful to say and a headache to remember often opted for nicknames. These aliases served to enhance brand identity and solidify their legacy. Commonly, railroads used city names in their nicknames, as seen with the Chicago, Milwaukee, St. Paul and Pacific, popularly known as the Milwaukee Road. However, railroads like the New York, Chicago & St. Louis took a different route, adopting unique nicknames that are still as renowned as the likes of the Santa Fe Railway and the Burlington Route. These are famous railroads with unique official nicknames.

Chicago, Indianapolis, and Louisville Railway — “Monon”

Black-and-gold Monon Railroad diesel locomotive
Monon SW1 No. DS-50 was on display at the Indiana Transportation Museum in Noblesville for years. It now resides at the Hoosier Valley Railroad Museum in North Judson. Hoosier Valley Railroad Museum photo

When the Louisville, New Albany & Chicago Railway acquired the Chicago & Indianapolis Air Line Railway in 1881, the struggling lines crossed at a hamlet that had adopted the name of the neighboring Monon Creek — Monon being a Potawatomi word meaning “swift running.” “The Monon Route” nickname was immediately adopted and remained beyond the 1897 renaming to the Chicago, Indianapolis & Louisville Railway. It wouldn’t be until 1956 when the company embraced the nickname and officially renamed the railroad to the Monon Railroad.

Cleveland, Cincinnati, Chicago & St. Louis Railway — “The Big Four Railroad”

An HO scale scene of tank cars spotted at a loading rack, with storage tanks and an oil well nearby
The very first railroad dynamometer car – a car equipped with sensitive hydraulic instrumentation to measure locomotive drawbar pull – was built in 1898 by the University of Illinois and the Peoria & Eastern Ry., then a subsidiary of the Cleveland, Cincinnati, Chicago & St. Louis. Note the “Big Four” emblazoned on the dynamometer car and the tender of the 4-4-0. David P. Morgan Library collection

This railroad was formed in 1889 through the consolidation of the Cincinnati, Indianapolis, St. Louis & Chicago; the Cleveland, Columbus, Cincinnati & Indianapolis; and the Indianapolis & St. Louis. The road had access to some of the major Midwest cities. But with a name like the Cleveland, Cincinnati, Chicago & St. Louis, it didn’t take long for employees and the public to come up with a shorter alternative that would reflect on the “big four” being served. The Big Four Railroad nickname was quickly adopted and embraced by the company. The moniker continued through its full control by the New York Central (1930) and later merger into Penn Central (1968).

Minneapolis, St. Paul and Sault Ste. Marie Railroad — “Soo Line”

An image of the broadside of a black-painted steam locomotive trailing smoke and steam
Restored Soo Line Mikado 2-8-2 No. 1003 is on the move during a fall 2022 Trains Magazine photo charter. Carl Swanson

Originally incorporated on Sept. 29, 1883, as the Minneapolis, St. Paul & Atlantic, this railroad focused on shipping freight east of the Twin Cities, bypassing Chicago’s congestion. Through financial hardship and support from the Canadian Pacific Railway, the Minneapolis, St. Paul & Sault Ste. Marie Railway emerged in 1888 with a connection to Canada’s first transcontinental railway at Sault Ste. Marie, Ontario. The “Sault” moniker was so popular that the nickname “Soo Line” was quickly adopted and became a part of the railroad’s history.

Missouri-Kansas-Texas Railroad — “Katy”

Red-and-white diesel locomotives by shop facility
Katy 89-A, two Alco-built siblings, and an F are on the Parsons, Kan., service tracks Jan. 3, 1963 (above). Katy FA’s have EMD’s cooling system, evidenced by the fan housing bulge on the roof. J. David Ingles photo

Chartered in 1865, the Union Pacific Southern Branch came under the control of New York investors, led by Judge Levi Parsons, a couple of years later. Parsons set his sights on a link between Kansas City and the Gulf of Mexico ports in Texas. The UPSB was reorganized into the Missouri, Kansas & Texas to reflect this vision and was identified on the stock exchange as “KT.” Because the abbreviation sounded like “Katie,” it ultimately led to the Katy nickname. Throughout the railroad’s lifespan, summarized as deterioration and reconstruction by author J. Parker Lamb, the name stuck all the way into the 1988 merger with the Union Pacific Railroad.

New York, Chicago & St. Louis Railroad — “Nickel Plate Road”

Nickel Plate Railroad caboose at rear of freight train. Five-mind blowing facts — cabooses.
A Nickel Plate Road caboose on the rear of a freight train. Al Kalmbach photo

The origin of the Nickel Plate Road nickname for the New York, Chicago & St. Louis can be described as imprecise due to multiple interpretations. The accepted version was penned in 1881 when competition among Northern Ohio communities was fierce to host the fledgling railroad and its proposed Buffalo-Chicago corridor. Editor F. R. Loomis of the Norwalk (Ohio) Chronicle didn’t hide his enthusiasm for the new route supposedly coming to town, referring to it as “the great New York and St. Louis double-track, nickel-plated railroad.” Fact or fiction, the nickname became synonymous with the railroad’s legacy.

St. Louis-San Francisco Railway — “Frisco”

Black and yellow diesel locomotive on freight train with yellow caboose

A Baldwin VO1000 switcher works the rear end of a run-through freight off the Union Pacific behind the Katy roundhouse in Kansas City, Mo., in January 1969. The railroad had 38 such units built 1941-46. J. David Ingles photo


In 1849, Missouri chartered its version of the Pacific Railway. Since that time, the St. Louis-San Francisco Railway aimed to connect the Gateway City with the Pacific Coast. Bankruptcy and changes in parent companies blocked any chances for this dreamed connection. While the railroad ultimately expanded from St. Louis to Texas, Oklahoma, Kansas, and even Florida, it still retained the St. Louis-San Francisco name. From this came the adopted Frisco nickname, loosely based on the city it never reached.

St. Louis Southwestern Railway — “Cotton Belt”

Low hood diesel in grey-and-red color scheme
Cotton Belt Alco RSD-15 diesel No. 5156 in Shreveport, LA., on May 30, 1969. Tom Hoffmann photo

From humble beginnings as the 3-foot gauge Tyler Tap Railroad in 1877, the St. Louis Southwestern Railway stretched a standard gauge line from northeast-central Texas to southeast Missouri. Along the way was the hot commodity of cotton, hence the railroad’s claim to fame as the “Cotton Belt Route.” The nickname would later be shortened to Cotton Belt and was carried under the Southern Pacific Lines family until the 1996 merger with UP.

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