seodata.dev

keyword

public transportation systems

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

$ curl "https://app.seodata.dev/v1/keyword?q=public+transportation+systems&country=us" +--------------+------------------+ | volume | 480 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
public transportations 14,800 $1.5 12/20
public transportation system 2,900 $0 14/20
public transport system 480 $0 19/20
public transit systems 480 $0 9/20
public transport systems 390 $0 20/20
united states public transportation 390 $1.37 9/20
mass transit in the united states 320 $0 9/20
public transportation in united states 320 $0 9/20
public transportation methods 50 $2.04 10/20
methods of public transport 50 $2.04 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=public+transportation+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