Talk:Traffic light

This is the talk page for discussing improvements to the Traffic light article.
This is not a forum for general discussion of the article's subject.

Put new text under old text. Click here to start a new topic.
New to Wikipedia? Welcome! Learn to edit; get help.

Article policies

Find sources: Google (books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL

Archives: 1, 2, 3: 30 days

Daily pageviews of this article

A graph should have been displayed here but graphs are temporarily disabled. Until they are enabled again, visit the interactive graph at pageviews.wmcloud.org

This article is written in British English, which has its own spelling conventions (colour, travelled, centre, defence, artefact, analyse) and some terms that are used in it may be different or absent from other varieties of English. According to the relevant style guide, this should not be changed without broad consensus.

A fact from this article was featured on Wikipedia's Main Page in the On this day section on August 5, 2004, December 10, 2004, December 10, 2005, December 10, 2006, and December 10, 2007.

Transport High‑importance

	Transport portal This article is within the scope of WikiProject Transport, a collaborative effort to improve the coverage of articles related to Transport on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.TransportWikipedia:WikiProject TransportTemplate:WikiProject TransportTransport articles
High	This article has been rated as High-importance on the project's importance scale.

Technology

This article is within the scope of WikiProject Technology, a collaborative effort to improve the coverage of technology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.TechnologyWikipedia:WikiProject TechnologyTemplate:WikiProject TechnologyTechnology articles

Archives

Index

Archive 1

Archive 2

Archive 3

This page has archives. Sections older than 30 days may be automatically archived by when more than 5 sections are present.

3-way traffic light: History Section[edit]

Garrett Morgan invented the modern 3-way traffic light, yet it is nowhere on this page nor is it linked to his Wikipedia page. Domme2040 (talk) 18:06, 3 July 2023 (UTC)[reply]

@Domme2040 then add it Jèrriais janne (talk) 21:13, 8 September 2023 (UTC)[reply]

simple traffic lights[edit]

description 136.158.103.107 (talk) 00:42, 11 October 2023 (UTC)[reply]

Title breaks if table is hidden[edit]

Standard meanings for traffic lights in the United States (MUTCD, Chapter 4) 83.168.137.1 (talk) 00:38, 14 January 2024 (UTC)[reply]

Colorblindness[edit]

How about a mention of the fact that the most common form of colorblindness (1 in 14 males) can't distinguish between red, yellow, and green? I once read that green lights are blueish-green in order to be distinguishable for those with red-green colorblindness. Is this universal? Regulated? Since when?

I recall an anecdote where some American town with a large Irish population flipped its traffic lights, so that green was on top, but this had to be undone because the orientation of the lights must be consistent for colorblind people. But if this were the only way for them to distinguish the lights, wouldn't they have to stare at the lights rather than relying on peripheral vision?

Just a couple of things I'm curious about; and I imagine there might be more to say on the topic. SSSheridan (talk) 10:10, 23 February 2024 (UTC)[reply]