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The CHS 200 electric locomotive, the one
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that revolutionized high-speed rail
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travel in the Soviet Union over four
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has been restored to frontline service
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The return of one of the most iconic
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passenger locomotives ever built for
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Soviet railways was marked on May 21st,
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2026, when the first completely
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modernized locomotive of the series CHS
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successfully hauled the renowned Nevsky
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Express between Moscow and St.
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The decision may appear unexpected at
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The CHS 200 was developed in the 1970s
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before the emergence of modern digital
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rail systems, advanced power
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electronics, and contemporary locomotive
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However, Russian Railways has allocated
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substantial resources to the restoration
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and modernization of these historic
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engines as opposed to simply replacing
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That choice reveals quite a lot about
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Russia's current railway priorities,
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industrial capabilities, and the
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strategic significance of preserving
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high-speed passenger operations on one
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of the country's most critical rail
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To understand why this matters, we need
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to go back to where the CHS 200 actually
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Soviet rail authorities were searching
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for a locomotive capable of operating
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passenger trains at unprecedented speeds
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between Moscow and Leningrad, which is
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To meet that objective, 12 two-section
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electric locomotives were procured from
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the Škoda factory in Czechoslovakia.
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Two prototypes were completed in 1974,
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and 10 production units followed in
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The locomotive was exceptional for its
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Designed for a maximum service speed of
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200 km/h and a design ceiling of 220,
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the CHS 200 stretches approximately 33 m
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in length and weighs around 156
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During the 1970s, very few locomotives
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anywhere in the world could match those
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And despite being manufactured in
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Czechoslovakia, the locomotives carried
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significant Soviet technology, most
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notably in their electronic systems,
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where Soviet engineers implemented
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solutions that were genuinely ahead of
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Now, here is the part that surprises
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most people who follow this story. And
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really, it surprised the team at
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Altitude Addicts, too.
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Let's just say it caught people off
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The CHS 200 was one of the USSR's
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earliest computer-controlled
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Its onboard system was built around the
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Electronica S 5-12 microcomputer,
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developed domestically in the Soviet
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Union at a time when a large share of
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the world's railways were still running
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on purely analog controls.
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The specs look almost comically small by
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today's standards. A 16-bit processor
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running around 10,000 operations per
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second, 256 bytes of RAM, and 4
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But in the late 1970s, for Soviet
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industry, that was a meaningful
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technological achievement.
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The computer handled communication with
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speed sensors, automatic speed
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regulation systems, control interfaces,
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In essence, the CHS 200 was running a
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primitive form of digital train
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management decades before modern
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intelligent locomotive systems became
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That the system was designed and built
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inside the Soviet Union during the 1970s
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is by itself a remarkable piece of
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The locomotive was also fitted with
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advanced speed monitoring equipment,
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dynamic braking systems, and
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sophisticated safety mechanisms.
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It featured automatic train operation
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Many of the concepts it introduced were
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later adopted in subsequent Soviet and
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Russian locomotive designs. So, its
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influence extended well beyond the 12
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units that were ever built.
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For decades, the CHS200 was practically
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synonymous with high-speed travel
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between Russia's two largest cities.
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The Nevsky Express, one of the country's
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most recognized passenger services, was
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particularly associated with these
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Then gradually, the fleet aged out.
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By 2024, the final active CHS200
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locomotives had completed their last
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runs and been placed in storage.
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Several had already been scrapped.
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Others became museum exhibits or
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experimental platforms.
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Most observers assumed the type was
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But here is the thing.
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And this is where the story gets
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genuinely interesting.
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Russian Railways, working through its
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design bureau and the Yaroslavl Electric
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Locomotive Repair Plant, launched a
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modernization program instead of a
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The goal was not heritage preservation
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The goal was to produce locomotives that
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were fully operational and capable of
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meeting the demands of modern passenger
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So, what drove that decision?
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There are several reasons, and none of
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them are particularly romantic.
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The first is capability.
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Even after all these years, the CHS200
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remains one of the few locomotives in
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Russia specifically engineered for
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sustained high-speed passenger
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operations on the Moscow-Saint
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Its original engineering was remarkably
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durable and its performance
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characteristics are still relevant for
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services like the Nevsky Express.
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The second reason is economics.
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Developing an entirely new high-speed
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locomotive platform requires enormous
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investment, testing phases,
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certification procedures, production
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Modernizing an existing fleet with a
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sound structural foundation is in many
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cases substantially more cost-effective.
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Russia has deep experience doing exactly
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this, particularly at the Yaroslavl
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A third factor is industrial
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Since the deterioration of relations
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with most Western countries and the
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imposition of sanctions, Russia has
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placed increasing emphasis on domestic
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maintenance, repair, and modernization
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The CHS 200 program demonstrates that
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Russian industry can sustain and improve
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critical railway equipment without
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relying on foreign suppliers.
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Beyond that, the program keeps
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experienced high-speed locomotive
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specialists actively engaged rather than
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allowing that technical knowledge to
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quietly disappear as older engineers
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There is also the simple structure of
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Russian passenger rail services to
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While the Sapsan and other high-speed
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multiple units dominate the premium end,
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locomotive-hauled passenger trains
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remain a significant part of the
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The Nevsky Express depends on locomotive
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traction, which gives a modernized CHS
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200 fleet a direct and practical
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And the Moscow-Saint Petersburg
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corridor, being one of the busiest and
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most strategically significant in the
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country, benefits from having additional
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operational flexibility in its
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So, what actually changed during the
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Quite a lot, even if the locomotive
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looks familiar from the outside.
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The traction motors were rebuilt using
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more heat-resistant insulation
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materials, and new wheel sets were
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The driver's cab received an updated
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control console with improved
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Lighting, both interior and exterior,
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was replaced with energy-efficient LED
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A sanitary module for locomotive crews
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was added, which matters more than it
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sounds on a long corridor run.
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Anti-slip protection systems, fire
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suppression equipment, climate control,
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and improved lighting arrangements were
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Contemporary automatic speed regulation
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systems replaced older components.
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The locomotive now integrates modern
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train control systems and displays for
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automated driving assistance.
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Before it returned to service, engineers
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carried out thorough inspections of the
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running gear, wheel sets, traction
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motors, pantographs, batteries, braking
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systems, and safety equipment.
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The result is a mechanical platform with
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proven Soviet-era bones running modern
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operational systems on top.
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Whether that combination is elegant or
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just practical probably depends on your
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point of view, but it works.
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The CHS200's revival reflects something
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broader that rail operators are
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increasingly recognizing worldwide, that
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heavy industrial equipment can remain
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economically viable for decades when it
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is appropriately upgraded.
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The locomotive's steel structure,
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bogies, and main mechanical systems were
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originally built with significant
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By replacing aged components and
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modernizing the electronics, Russian
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Railways has brought a 1970s locomotive
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up to the operational demands of the
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There is a practical advantage to this
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approach that often gets overlooked.
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Maintenance crews, infrastructure teams,
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and drivers are already familiar with
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That means the training requirements for
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a modernized fleet are considerably less
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demanding than those for an entirely new
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This is, admittedly, not the most
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exciting part of the story, but it is
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the kind of detail that makes the
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economics actually work.
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The first locomotive to emerge from the
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program is CHS200-003.
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Built in April 1979,
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it has accumulated a long operational
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history, multiple repairs, and numerous
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enhancements over the decades.
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Following its most recent substantial
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overhaul, it returned to active service
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Named in honor of distinguished railway
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worker Igor Goncharuk.
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Its successful run on the Nevsky Express
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confirmed that the modernization effort
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had moved from planning stages into real
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Here at Altitude Addicts, we have been
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tracking this program since its early
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stages and watching it cross that line
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from paper to platform was something
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The fate of the remaining fleet tells
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Of the 12 locomotives originally built,
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only a fraction survived long enough to
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be considered for modernization.
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and -007 were disposed of after
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002 was preserved as a museum exhibit.
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008 served as a laboratory vehicle,
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though reports from 2018 suggested it
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may have sustained damage, leaving its
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The remaining survivors were placed in
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storage following their withdrawal from
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The modernization program is, in that
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sense, also a race against time.
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Every unit that can be restored
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represents another chapter of Soviet and
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Russian railway history that does not
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The CHS 200's return is not, at its
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core, a story about nostalgia.
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It is a story about extending the
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operational life of a platform that was
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built well through domestic
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modernization at a moment when doing so
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serves multiple practical interests
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The locomotive provides Russian Railways
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with a specific combination of
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operational utility,
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demonstrated performance, and the kind
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of institutional familiarity that
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matters in day-to-day service
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The corridor it was originally designed
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The trains still need to run.
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And the fundamental engineering, it
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turns out, was good enough to make all
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As Russia continues to develop future
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high-speed rail projects, including
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entirely new train sets and expanded
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infrastructure, the revived CHS 200
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fleet operates alongside those ambitions
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as both a working transport asset and a
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physical reminder of what Soviet
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engineering, at its best, actually
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That is the kind of dual role that very
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few pieces of rolling stock ever get to
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Designed during the Cold War,
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fitted with pioneering digital
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technology before most of the world knew
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what that meant for railways,
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retired after nearly half a century of
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and then brought back in 2026 to once
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again run at speed between Moscow and
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That is a journey most locomotives never
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And the kind of story that reminds
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Altitude Addicts and anyone paying
13:42
attention to how railways actually work
13:44
that durable engineering and long-term
13:47
industrial planning do not always lose
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to the appeal of building something
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We thank the people who have subscribed
13:57
the channel, liked, and shared the
14:00
We also thank the channel members for
14:04
Last but not least, we also thank the
14:06
viewers who have hyped our videos.
