SR Class 4DD

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SR Class 4DD

Quality:

SR 4-DD - class of 2 four-car Double Deck electric multiple units. Article “SR Class 4DD” in Simple English Wikipedia has 6.6 points for quality (as of July 1, 2026).

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Simple English) language version.

Since the creation of article “SR Class 4DD”, its content was written by 4 registered users of Simple English Wikipedia and edited by 81 registered Wikipedia users in all languages.

The article is cited 103 times in Simple English Wikipedia and cited 160 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Simple English): #7232 in November 2013
  • Global: #169620 in November 2004

The highest popularity rank from 2008:

  • Local (Simple English): #21095 in May 2018
  • Global: #295008 in October 2025

There are 3 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
SR Class 4-DD
28.0233
2German (de)
SR-Klasse 4DD
7.2198
3Simple English (simple)
SR Class 4DD
6.606
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "SR Class 4DD" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
SR Class 4-DD
200 882
2German (de)
SR-Klasse 4DD
8 912
3Simple English (simple)
SR Class 4DD
3 991
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2026

The most popular language versions of the article "SR Class 4DD" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
SR Class 4-DD
913
2German (de)
SR-Klasse 4DD
33
3Simple English (simple)
SR Class 4DD
19
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "SR Class 4DD" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
SR Class 4-DD
58
2German (de)
SR-Klasse 4DD
19
3Simple English (simple)
SR Class 4DD
4
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2026

Language versions of the article "SR Class 4DD" with the highest AI in June 2026
#LanguageAI awardRelative AI
1German (de)
SR-Klasse 4DD
0
2English (en)
SR Class 4-DD
0
3Simple English (simple)
SR Class 4DD
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "SR Class 4DD" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Simple English (simple)
SR Class 4DD
103
2English (en)
SR Class 4-DD
54
3German (de)
SR-Klasse 4DD
3
More...

Scores

Estimated value for Wikipedia:
Simple English:
Global:
Popularity in June 2026:
Simple English:
Global:
Popularity in all years:
Simple English:
Global:
Authors in June 2026:
Simple English:
Global:
Registered authors in all years:
Simple English:
Global:
Citations:
Simple English:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
SR-Klasse 4DD
enEnglish
SR Class 4-DD
simpleSimple English
SR Class 4DD

Popularity rank trends

Best Rank Simple English:
#21095
05.2018
Global:
#295008
10.2025

AI rank trends

Best Rank Simple English:
#7232
11.2013
Global:
#169620
11.2004

Local AI rank history

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on SR 4-DD from Wikipedia articles about Bilevel rail car, Oliver Bulleid, Southern Railway multiple unit numbering and classification, List of British Rail electric multiple unit classes and Electro-pneumatic brake system on British railway trains. Whereas reading the article about SR 4-DD people most often go to Wikipedia articles on Loading gauge, British Rail Classes 445 and 446, Bilevel rail car, Ashford Steam Centre and Northamptonshire Ironstone Railway Trust.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

simple: SR Class 4DD

News from 1 July 2026

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information