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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
keep the subways running
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "keep the subways running" is correct and usable in written English.
It can be used when discussing the maintenance or operation of subway systems, often in the context of public transportation or urban infrastructure. Example: "The city council is working on a new budget to ensure we can keep the subways running smoothly during peak hours."
✓ Grammatically correct
News & Media
Alternative expressions(20)
continue the work
keep the railway running
keep the sewers running
keep the refrigerators running
keep the cars running
uphold the operations
keep the trains running
sustain functionality
ensure smooth operation
keep the horses running
keep the buildings running
kept the trains running
keep the railways running
keep the comments running
keep the plants running
keep the system going
preserve the process
maintain service delivery
keep things moving
maintain operational continuity
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
The motormen and car cleaners who keep the subways running were a large part of that circle.
News & Media
A Manhattan Home Depot store sold about twice as many shovels over the weekend as it normally does while transit officials hoping to keep the subways running smoothly planned to use modified subway cars loaded with de-icing fluid to spray the third rail that powers trains.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Publicly anyway, there's a whole lot of nothing going on between managers of the city's mass-transit system and the union that represents the men and women who keep the subways and buses running.
News & Media
You could see the subways running underneath.
News & Media
"Look at New York City: The subways run round the clock".
News & Media
New York City has a plan to keep the subways from flooding.
News & Media
Sounds like the city, with the subway running through it.
News & Media
The subway runs 24 hours a day.
News & Media
Government subsidies are necessary to keep buses, trains and subways running -- and it's more than worth it, considering the congestion, air pollution and disruptions to the economy that would come if cars became the only method of getting around.
News & Media
— keep the thing running smooth.
News & Media
Keep the comments running.
News & Media
Expert writing Tips
Best practice
When writing about public transportation, use the phrase "keep the subways running" to convey the importance of continuous operation and maintenance for urban mobility.
Common error
Avoid using "keep the subways running" in casual conversations; it is more suited for formal discussions about transportation, infrastructure, or urban planning.
Source & Trust
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "keep the subways running" is as a verbal phrase, often used as a clause element expressing a necessary action. As confirmed by Ludwig, the phrase is correct and usable in written English.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "keep the subways running" is grammatically correct and primarily used in neutral contexts, especially in News & Media. It conveys the crucial need to maintain continuous subway operations for urban mobility. As noted by Ludwig, this expression is appropriate for formal discussions on transportation and infrastructure, highlighting its significance in urban planning and policy. Alternatives such as "maintain subway operations" or "ensure subway service continuity" can be used to vary the language while retaining the core meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Maintain subway operations
Emphasizes the act of maintaining the subway system, focusing on the continuous effort required.
Ensure subway service continuity
Focuses on guaranteeing the uninterrupted service of the subway.
Keep the metro system operational
Uses 'metro system' as a synonym for 'subway' and 'operational' for 'running'.
Sustain subway functionality
Highlights the act of sustaining the subway's ability to function properly.
Keep the underground trains in service
Uses 'underground trains' to specify 'subways' and 'in service' instead of 'running'.
Facilitate continuous subway transit
Focuses on the facilitation of continuous movement within the subway system.
Preserve subway system operations
Highlights the preservation of the subway's operational capabilities.
Uphold subway service
Emphasizes the act of upholding the standards and provision of subway services.
Secure uninterrupted subway flow
Concentrates on securing the continuous and smooth flow of subway traffic.
Ensure the subway's continued operation
Focuses on ensuring that the subway system continues to operate without interruption.
FAQs
How can I use "keep the subways running" in a sentence?
You can use "keep the subways running" to emphasize the necessity of maintaining subway operations. For example, "The city council is dedicated to "keep the subways running" during peak hours to ease commuter congestion."
What are some alternatives to "keep the subways running"?
Alternatives include "maintain subway operations", "ensure subway service continuity", or "sustain subway functionality". The choice depends on the specific nuance you want to convey.
Why is it important to "keep the subways running"?
Keeping subways running is crucial for urban economies because it supports commuter transit, reduces traffic congestion, and facilitates access to jobs and services. Any disruption can have significant economic and social consequences.
In what contexts is "keep the subways running" most appropriate?
This phrase is appropriate in contexts concerning urban planning, public transportation policy, crisis management (e.g., during weather emergencies), or discussions about infrastructure maintenance and funding. It emphasizes the importance of reliable subway service.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested