seodata.dev

keyword

what is the highway transportation system

Monthly search volume and cost-per-click data for "what is the highway transportation system" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+the+highway+transportation+system&country=us" +--------------+------------------+ | volume | 140 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
highway transportation system 590 $0 10/20
highway transportation system definition 170 $0 10/20
what are the three parts of the highway transportation system 170 $0 9/20
what is highway transportation system 140 $0 14/20
what is hts driving 140 $0 9/20
what is hts in driving 140 $0 9/20
what are the parts of the highway transportation system 110 $0 10/20
what is the purpose of the highway transportation system 50 $0 9/20
the highway transportation system 30 $0 14/20
hts highway transportation system 30 $0 9/20

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=what+is+the+highway+transportation+system&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