seodata.dev

keyword

us national highways

Monthly search volume and cost-per-click data for "us national highways" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=us+national+highways&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
highway systems 12,100 $0.1 9/20
us highway system 4,400 $0.05 8/20
national highways 1,900 $2.67 14/20
national highway 1,900 $2.67 11/20
us interstate highway system 1,600 $0.03 8/20
national highway system 480 $1.22 8/20
us national highway system 70 $0 10/20
us national highway 40 $0 15/20
national highway usa 40 $0 11/20
national routes 40 $0 8/20

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+national+highways&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