seodata.dev

keyword

railroads expansion

Monthly search volume and cost-per-click data for "railroads expansion" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=railroads+expansion&country=us" +--------------+------------------+ | volume | 170 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
the railroads 27,100 $1.29 10/20
railroads in american history 1,000 $0.11 10/20
railroad us history 1,000 $0.11 7/20
the railroad expansion 170 $0 12/20
economic impact of railroads in america 1800s 50 $0 7/20
how did the railroad change travel in the united states 30 $0 7/20
railroad expansion 1800s 20 $0 11/20
railroad expansion in the 1800s 20 $0 9/20
how did railroads impact society 20 $0 7/20
railroads significance 20 $0 7/20

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://app.seodata.dev/v1/keyword?q=railroads+expansion&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt