seodata.dev

keyword

metro rail train

Monthly search volume and cost-per-click data for "metro rail train" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=metro+rail+train&country=us" +--------------+------------------+ | volume | 480 | | cpc | $0.84 | | competition | 0.01 | | country | US | | updated | 2026-06-28 | +--------------+------------------+
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
next train metro 14,800 $0 13/20
metrorail 12,100 $1.34 16/20
metro hours 12,100 $0.34 13/20
metro rail 12,100 $0.98 13/20
metro train 8,100 $0.44 20/20
metro trains 8,100 $0.44 20/20
metrorail station 3,600 $0.48 15/20
metro railway 480 $0.84 13/20
metrorail train schedule 170 $0 13/20
metro rail service 50 $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=metro+rail+train&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