Used and loved by millions
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
during rush hours
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "during rush hours" is correct and usable in written English.
You can use it to refer to a period of time when traffic and activity is at its busiest. For example, "It's best to avoid driving on the highway during rush hours if possible."
✓ Grammatically correct
News & Media
Science
Wiki
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
59 human-written examples
During non-rush hours, service is spotty; during rush hours, the traffic is awful.
News & Media
The M now runs, infrequently, only during rush hours.
News & Media
The Brooklyn-Battery Tunnel will also reopen for limited bus service during rush hours, officials said.
News & Media
The 5 train now takes him directly to work, and runs express during rush hours.
News & Media
Then television came along, and radios migrated to the car for use during rush hours.
News & Media
Metro-North Railroad on a Saturday schedule, with extra trains during rush hours.
News & Media
Usually it's during rush hours, but now it's at all hours".
News & Media
Water Taxi 212-742-1969 The Staten Island Ferry will expand service during rush hours.
News & Media
TRANSPORTATION: Metro-North on a Saturday schedule, with extra trains during rush hours.
News & Media
21, cars will be banned from the park on weekdays except during rush hours.
News & Media
Commuters, it says, will "only will use it during rush hours".
News & Media
Expert writing Tips
Best practice
When describing events or schedules, specify which time zone the "during rush hours" refers to, particularly in international contexts to avoid ambiguity.
Common error
Avoid assuming that everyone understands the specific "during rush hours" in your area. Always clarify the typical time range (e.g., 7-9 AM and 4-6 PM) to ensure clarity, especially when communicating with people unfamiliar with local traffic patterns.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "during rush hours" functions as an adverbial phrase, modifying verbs or clauses to indicate the time when an action occurs. Ludwig examples show it describing when traffic is heavy, services are limited, or events take place.
Frequent in
News & Media
45%
Science
35%
Wiki
10%
Less common in
Formal & Business
5%
Reference
3%
Encyclopedias
2%
Ludwig's WRAP-UP
The phrase "during rush hours" is a common and grammatically correct adverbial phrase used to specify the time when traffic and activity are at their peak. As Ludwig AI notes, it's widely understood and applicable in various contexts. Analysis of numerous examples confirms its frequent use in news reports, scientific articles, and general discussions. While it's important to define "during rush hours" for clarity, especially across different locations, the phrase remains a valuable and versatile tool for describing time-related conditions. Its semantic flexibility allows for substitutions like "during peak hours" or "in heavy traffic", depending on the specific nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
during peak hours
Focuses on the period of maximum activity, not necessarily limited to traffic.
at peak times
Similar to 'peak hours' but more general, not restricted to a specific duration.
in heavy traffic
Specifically refers to congested traffic conditions, a common characteristic of rush hour.
when traffic is heavy
Describes the condition of heavy traffic, implying the time period.
in the busiest hours
Highlights the hours with the most activity, potentially in contexts other than traffic.
at the height of the commute
Emphasizes the commuting aspect of rush hour.
during the commute
Focuses on the act of commuting itself rather than the busiest times.
in periods of high congestion
More formal and emphasizes the congestion level during specific periods.
when commuting traffic is at its worst
Highlights the negative experience of commuting during peak congestion.
during periods of increased traffic
A more general term that refers to any time when traffic volume is elevated, not specifically rush hour.
FAQs
What times are typically considered "during rush hours"?
The specific times for "during rush hours" vary by location, but generally it refers to the periods when commuting traffic is heaviest, typically 7-9 AM and 4-6 PM on weekdays.
What can I say instead of "during rush hours" to describe busy periods?
Alternatives include "during peak hours", "at peak times", or "in heavy traffic", depending on the specific context you want to convey.
Is it correct to say "in rush hour" instead of "during rush hours"?
While "in rush hour" might be understood, "during rush hours" is the more grammatically standard and widely accepted phrase.
Why is traffic worse "during rush hours"?
Traffic is typically worse "during rush hours" because a large number of people are commuting to and from work or school at the same time, leading to increased congestion and delays.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested