keyword

ca high speed rail

Monthly search volume and cost-per-click data for "ca high speed rail" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=ca+high+speed+rail&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $10.86 | | competition | 0.01 | | country | US | | updated | 2026-06-27 | +--------------+------------------+

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
california high-speed rail	27,100	$8.19	20/20
california high speed rail	27,100	$8.19	17/20
ca hsr	27,100	$8.19	13/20
high-speed rail california	5,400	$1.79	20/20
california bullet train	3,600	$6.04	18/20
california high-speed rail progress	3,600	$6.8	16/20
ca high-speed rail	2,900	$10.86	16/20
california high-speed rail project	1,300	$6.05	20/20
california hsr	1,000	$11.25	20/20
high speed trains in california	30	$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://api.seodata.dev/v1/keyword?q=ca+high+speed+rail&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