seodata.dev

keyword

us highway system

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

$ curl "https://app.seodata.dev/v1/keyword?q=us+highway+system&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $0.05 | | competition | 0 | | country | US | | updated | 2026-06-05 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
us interstate 12,100 $0 19/20
us interstate highways 12,100 $0.1 19/20
highway systems 12,100 $0.1 17/20
us interstates 12,100 $0 17/20
highways of the united states 4,400 $0.05 19/20
highways in us 4,400 $0.05 18/20
us highways 2,900 $0.02 18/20
interstate system 1,900 $0 19/20
us interstate highway system 1,600 $0.03 20/20
interstate highways us 1,600 $0.03 18/20

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=us+highway+system&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