seodata.dev

keyword

highway systems

Monthly search volume and cost-per-click data for "highway systems" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=highway+systems&country=us" +--------------+------------------+ | volume | 12,100 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
interstate highway system 12,100 $0.1 16/20
us interstate highways 12,100 $0 14/20
interstates highways 5,400 $0.18 16/20
interstate highway 5,400 $0.18 15/20
interstate highways 5,400 $0 15/20
interstate roads 5,400 $0.18 14/20
us highway system 4,400 $0.05 19/20
highways of the united states 4,400 $0.05 15/20
us interstate highway system 1,600 $0.03 20/20
interstate road 1,600 $0.69 15/20

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=highway+systems&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