seodata.dev

keyword

a railroad crossing sign is

Monthly search volume and cost-per-click data for "a railroad crossing sign is" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=a+railroad+crossing+sign+is&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
railroad crossing sign 22,200 $0.43 17/20
rail crossing sign 2,400 $1.22 14/20
railway crossing sign 2,400 $1.22 13/20
train crossing sign 2,400 $1.36 12/20
railroad warning sign 1,300 $0.42 13/20
the sign for a railroad crossing is a 90 $0 14/20
what is a railroad crossing sign 40 $0 15/20
railway crossing sign meaning 30 $0 12/20
railroad crossing signs are 20 $0 13/20
what is the railroad crossing sign 20 $0 12/20

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=a+railroad+crossing+sign+is&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