keyword

a controlled railroad crossing is identified by

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

$ curl "https://app.seodata.dev/v1/keyword?q=a+controlled+railroad+crossing+is+identified+by&country=us" +--------------+------------------+ | volume | 110 | | 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
railroad crossing signal	22,200	$0.67	6/20
railroad crossing signals	22,200	$1.02	6/20
railway crossing	9,900	$1.92	5/20
train crossing	3,600	$0.2	6/20
train crossing gates	2,400	$0.47	6/20
railway crossing gate	2,400	$0.24	5/20
rr crossing	260	$0	5/20
when a railroad crossing is not controlled	210	$0	6/20
traffic light railroad crossing	140	$0	5/20
controlled railroad crossing	70	$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=a+controlled+railroad+crossing+is+identified+by&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