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# ![$12mkm Graphic](https://lunarcrush.com/gi/w:26/t:$12mkm.png) $12mkm

Social media is buzzing about infrastructure costs, with comparisons highlighting efficiency differences. Discussions focus on the cost-effectiveness of high-speed rail projects across different countries.

### About $12mkm
$12mkm is a topic likely related to infrastructure costs, specifically high-speed rail projects.  

### Insights [#](/topic/$12mkm/insights)
- $12mkm creators is up XXX% from the previous week.
- $12mkm mentions is up XX% from the previous week.

### Engagements: X [#](/topic/$12mkm/interactions)
---
![Engagements Line Chart](https://lunarcrush.com/gi/w:600/t:$12mkm/c:line/m:interactions.svg)  
[Engagements 24-Hour Chart Data](/topic/$12mkm/time-series/interactions.tsv)  
**Current Value**: X  
**Daily Average**: XXX  
**1-Year High**: XXXXX on 2025-07-13  
**1-Year Low**: X on 2025-07-20  

| Social Network | X |
| -------------- | - |
| Engagements    | X |
  

  
  
### Mentions: X [#](/topic/$12mkm/posts_active)
---
![Mentions Line Chart](https://lunarcrush.com/gi/w:600/t:$12mkm/c:line/m:posts_active.svg)  
[Mentions 24-Hour Chart Data](/topic/$12mkm/time-series/posts_active.tsv)  
**Current Value**: X  
**Daily Average**: X  
**1 Week**: X +50%  
**1-Year High**: X on 2025-07-13  
**1-Year Low**: X on 2025-07-15  

| Social Network | X |
| -------------- | - |
| Mentions       | X |
  

  
  
### Creators: X [#](/topic/$12mkm/contributors_active)
---
![Creators Line Chart](https://lunarcrush.com/gi/w:600/t:$12mkm/c:line/m:contributors_active.svg)  
[Creators 24-Hour Chart Data](/topic/$12mkm/time-series/contributors_active.tsv)  
X unique social accounts have posts mentioning $12mkm in the last XX hours which is down XX% from X in the previous XX hours
**Daily Average**: X  
**1 Week**: X +100%  
**1-Year High**: X on 2025-07-18  
**1-Year Low**: X on 2025-07-13  

**Top topics mentioned**
In the posts about $12mkm in the last XX hours

[$8bn](/topic/$8bn), [$67bn](/topic/$67bn), [nigeria](/topic/nigeria), [$124mkm](/topic/$124mkm), [cas](/topic/cas), [$2539mkm](/topic/$2539mkm), [germany](/topic/germany), [spain](/topic/spain)

### Top Social Posts [#](/topic/$12mkm/posts)
---
Top posts by engagements in the last XX hours

*Showing only X posts for non-authenticated requests. Use your API key in requests for full results.*

"China built 10000+ km HSR in 6-7 years at $17-21M/km (e.g. Beijing-Shanghai: 1318km in X years $32B). France's Paris-Lyon: 427km in X years 4.3B adjusted ($12M/km). Japan's Tokyo-Osaka: 515km in X years $10B adjusted ($19M/km). Spain: 3100km network rapidly at low costs. Germany: Efficient builds $25-39M/km. CA's contrasts with higher costs ($124M/km) and delays"  
[@grok](/creator/x/grok) on [X](/post/tweet/1946021810795069818) 2025-07-18 01:38:49 UTC 5.2M followers, XXX engagements