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Quizzes > General Knowledge & Mixed

Train Quiz: How Well Do You Know American Railroads?

Quick, free railroad trivia to test your knowledge. Instant results.

Editorial: Review CompletedCreated By: Leo HortonUpdated Aug 26, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration for a train trivia quiz on a sky blue background

This train quiz helps you test your knowledge of American railroads, from early steam lines to modern routes. Answer quick questions, see instant results, and learn fun facts as you go; when you're done, try our quiz about trains or dive into broader American trivia.

What track gauge is considered the standard for most American railroads?
4 ft 9 in
4 ft 8.5 in
3 ft 6 in
5 ft 6 in
The standard gauge of 4 ft 8.5 in became the predominant track width for American railroads due to its early adoption by eastern lines. It offers a balance of stability and construction cost and is used globally on over 60% of the worlds railways. This gauge allows interoperability between most freight and passenger services in the US.
Which two railroad companies met at Promontory Summit to complete the First Transcontinental Railroad in 1869?
Union Pacific and Central Pacific
Great Northern and Burlington
Northern Pacific and Southern Pacific
Atchison, Topeka and Santa Fe
On May 10, 1869, the Union Pacific and Central Pacific railroads met at Promontory Summit in Utah Territory, completing the nations first rail link across the continent. This groundbreaking achievement connected the eastern and western United States, transforming commerce and westward expansion. The famous Golden Spike ceremony symbolized the union at this historic site.
What color lights are flashed on a standard railroad crossing signal in the United States?
Red and white
Green only
Red only
Yellow only
Standard railroad crossing signals in the US use flashing red lights to warn motorists of approaching trains. The red lights are activated along with lowering gates to ensure traffic stops safely. Unlike traffic signals, crossings do not use green or yellow lights.
What is the primary fuel used by modern freight locomotives in the United States?
Coal
Steam
Electricity
Diesel
Modern freight locomotives in the US overwhelmingly use diesel-electric power, where a diesel engine drives a generator that powers electric traction motors. Diesel fuel offers high energy density and flexible refueling compared to steam or pure electric systems. While some corridors use electrification, the vast majority of US freight lines rely on diesel.
True or False: Diesel locomotives largely replaced steam locomotives in American railroads after World War II.
False
True
By the late 1950s, American railroads had completed the transition from steam to diesel-electric locomotives because of diesels greater reliability, lower maintenance costs, and operational efficiency. The rapid dieselization accelerated after WWII as railroads sought to cut labor and fuel expenses. Steam engines were gradually retired by major carriers during this period.
What is the name of Amtraks high-speed service between Boston and Washington, D.C.?
Acela Express
Auto Train
Capitol Limited
Northeast Regional
Amtraks Acela Express is its flagship high-speed service operating in the Northeast Corridor between Boston and Washington, D.C. It reaches speeds up to 150 mph on certain segments, reducing travel time compared to conventional trains. Acela introduced tilting train technology to better handle curves at higher speeds.
Which overhead system delivers electric power to locomotives via suspended wires?
Third rail
Overhead catenary
Magnetic levitation
Diesel generator
An overhead catenary system supplies electric power to locomotives through suspended wires, typically at high voltages. Trains use a pantograph to draw current from these wires as they move. Overhead catenary is common for intercity and commuter rail electrification worldwide.
Which railroad uses heritage locomotives painted in predecessor company schemes to honor its history?
Union Pacific
Norfolk Southern
Canadian Pacific
BNSF
Norfolk Southern has a fleet of Heritage locomotives painted in various predecessor railroad schemes, celebrating the legacy of lines like the Southern Railway and Norfolk & Western. Each heritage unit commemorates a different company, offering a rolling history lesson. Other railroads also honor history but NSs heritage program is especially extensive.
Which safety system is mandated to prevent train-to-train collisions and enforce speed limits in the US?
Positive Train Control
Air Brake System
Signal Trip
Automatic Train Control
Positive Train Control (PTC) is a federally mandated safety system designed to automatically stop or slow trains to prevent collisions, overspeed derailments, and movement violations. PTC uses GPS, wireless communications, and on-board computers to monitor train positions and enforce speed restrictions. It became a requirement on most mainline freight and passenger routes after 2008 legislation.
The Durango & Silverton Narrow Gauge Railroad operates in which US state?
Oregon
Montana
California
Colorado
The Durango & Silverton Narrow Gauge Railroad is a heritage railway in southwestern Colorado, running between Durango and Silverton through the San Juan Mountains. Originally part of the Denver & Rio Grande Western Railroad, it continues to operate on its original historic routes. Its narrow-gauge track measures 3 ft (914 mm) wide.
Which federal agency is primarily responsible for regulating rail safety in the United States?
Surface Transportation Board
Federal Railroad Administration
Federal Transit Administration
National Transportation Safety Board
The Federal Railroad Administration (FRA) oversees the enforcement of railroad safety regulations and standards in the US. It issues safety rules, conducts inspections, and administers grants for rail research and infrastructure. The FRA was established under the Department of Transportation in 1966.
Which mountain pass did Union Pacific and Central Pacific cross at the summit of the Sierra Nevada?
Cajon Pass
Sherman Pass
Feather Pass
Donner Pass
The Union Pacific and Central Pacific lines met over Donner Pass in the Sierra Nevada after blasting through the mountains to complete the First Transcontinental Railroad. Donner Pass, at an elevation of over 7,000 feet, presented significant engineering challenges including heavy snowfall. The original route used wooden snow sheds, many of which have since been replaced.
In Whyte notation for steam locomotives, what does the wheel arrangement '4-8-4' indicate?
4 axles, 8 wheels, and 4 cylinders
4 coupled wheels, 8 idler wheels, and 4 pilot wheels
4 leading wheels, 8 driving wheels, and 4 trailing wheels
4 driving wheels, 8 trailing wheels, and 4 leading wheels
'4-8-4' in Whyte notation means the locomotive has four pilot (leading) wheels, eight driving wheels, and four trailing wheels. This arrangement was popular for large passenger and fast freight locomotives in the mid-20th century. The design provided stability at speed and supported large fireboxes for high steam production.
Under US federal regulations, what is the maximum speed at which freight trains may operate without Positive Train Control?
79 mph
59 mph
49 mph
69 mph
Federal regulations require Positive Train Control (PTC) on routes where freight trains operate above 59 mph. Without PTC, freight trains are restricted to a maximum of 59 mph to reduce the risk of accidents due to human error. Passenger trains without PTC are limited to 79 mph.
What is the standard whistle signal for a train approaching a public grade crossing in the United States?
One long, one short, one long
Two short, one long, two short
One short, two long, one short
Two long, one short, one long
The FRA standard horn signal for a train approaching a public grade crossing is two long blasts, one short blast, and one long blast, heard as 'long-long-short-long'. This pattern alerts motorists and pedestrians of the imminent crossing of a train. It has been mandated since the 1990s for consistency and safety.
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Study Outcomes

  1. Recall Locomotive Types -

    Memorize major American locomotive classes and their distinguishing features to ace questions on trains.

  2. Identify Caboose Features -

    Recognize key components and design elements of historic cabooses commonly featured in railroad trivia.

  3. Differentiate Rail Legends -

    Distinguish between famous railroad pioneers and their contributions to U.S. train history.

  4. Analyze Train Trivia Questions -

    Develop strategies to interpret and answer a variety of railroad trivia prompts accurately and confidently.

  5. Apply Railroad Knowledge -

    Use acquired facts about American railroads to improve your performance on free train trivia quizzes and claim bragging rights.

Cheat Sheet

  1. Evolution of Locomotive Technology -

    Steam, diesel, and electric models each shaped American railroading in unique ways, with steam engines driving the early 19th-century boom. Diesel-electric locomotives follow the power formula: Power (hp) = Tractive Effort (lbf) × Speed (mph) ÷ 375, making it easy to compare performance. A simple mnemonic - "SDE" for Steam, Diesel, Electric - helps you ace train trivia on locomotive eras.

  2. Standard Gauge and Track Geometry -

    The U.S. standard gauge of 4 ft 8½ in underpins over 90% of North American rails, ensuring seamless freight and passenger service (Federal Railroad Administration data). Remember "4-8-5" by picturing a train "forty-eight five" as a fun mental image for those tricky questions on trains. Track curvature and superelevation formulas (E = (V²)/(gR)) also crop up frequently in advanced railroad trivia.

  3. Caboose Design and Crew Roles -

    Originally used as a vantage point for conductors to monitor cargo and brake lines, the classic caboose has become an iconic symbol of rail history. Modern End-of-Train Devices (EOT) replaced cabooses, but knowing their functions - and the red rear marker lamp rule - gives you an edge on train questions about crew operations. Think "C-A-B" for Crew, Anchor, Braking to nail related quiz items.

  4. Golden Spike and Rail Legends -

    The 1869 Golden Spike ceremony at Promontory Summit linked the Union Pacific and Central Pacific lines, a pivotal moment in U.S. railroad trivia. Trivia buffs often recall the "Last Tie" event and names like Leland Stanford with the phrase "Stanford Strikes Gold" to remember key figures. These iconic stories pop up in both casual train trivia and more challenging railroad trivia quizzes.

  5. Signals, Safety, and Signage Basics -

    Understanding red-yellow-green signal aspects is crucial for safe rail operations; green means clear, yellow means prepare to stop, and red means stop - a basic yet vital bit of questions on trains. The FRA's signal rulebook (FRA 49 CFR Part 236) outlines where to find these standards, so referencing it can boost your confidence. Use the mnemonic "Stop, S-Caution, Go" to lock in signal meanings before your next quiz.

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