keyword

expansion of the railroad

Monthly search volume and cost-per-click data for "expansion of the railroad" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=expansion+of+the+railroad&country=us" +--------------+------------------+ | volume | 90 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-14 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
1800 railroad	1,600	$0	16/20
the transcontinental railroad	1,600	$0	13/20
westward expansion railroads	320	$0	14/20
railroad westward expansion	320	$0	13/20
railroads westward expansion	320	$0	13/20
western expansion railroads	320	$0	13/20
railroad expansion	260	$0	14/20
transcontinental railroad and westward expansion	170	$0	14/20
how did railroads help westward expansion	40	$0	15/20
how did the railroads help westward expansion	30	$0	14/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=expansion+of+the+railroad&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