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Keyword · US · updated 2026-09-28

where was the first traffic light invented

Monthly searches
90
CPC
$0.00
Competition
0

Monthly average for US, from the Google Ads API: the same numbers you'd see in Google Ads.

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Related keywords

Keywords with overlapping search results. Similar volume and high overlap means the same search intent, so you can target either.

Keyword Volume CPC Overlap
who invented traffic lights 12,100 $0.00 17/20
who invented the traffic light 12,100 $0.00 15/20
traffic light invention 2,400 $0.00 20/20
traffic lights inventor 2,400 $0.00 16/20
when were traffic signals invented 1,300 $0.00 15/20
when was the traffic signal invented 720 $0.00 15/20
when was traffic light invented 720 $0.00 15/20
when was the first stoplight invented 210 $0.00 16/20
the first traffic signal 170 $0.00 17/20
what year was traffic light invented 90 $0.00 16/20
For AI agents: query this keyword over HTTP
$ curl "https://api.seodata.dev/v1/keyword?q=where+was+the+first+traffic+light+invented&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt · lookup_keyword over MCP