keyword

chicago train lines

Monthly search volume and cost-per-click data for "chicago train lines" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=chicago+train+lines&country=us" +--------------+------------------+ | volume | 3,600 | | cpc | $0.15 | | competition | 0 | | country | US | | updated | 2026-06-26 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
chicago train station map	12,100	$0.11	20/20
chicago subway map	8,100	$0.04	20/20
chicago subway station map	8,100	$0.04	20/20
map chicago subway	8,100	$0.04	19/20
chicago metro map	8,100	$0.04	17/20
chicago l map	5,400	$0.09	17/20
l train chicago map	5,400	$0.09	17/20
l train map chicago	5,400	$0.19	17/20
train lines chicago	3,600	$0	20/20
train system chicago	3,600	$0.15	20/20

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://api.seodata.dev/v1/keyword?q=chicago+train+lines&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