Wuhan Subway: https://www.travelchinaguide.com/cityguides/hubei/wuhan/subw...

Milan: https://www.introducingmilan.com/metro

Seoul: http://www.seoulmetro.co.kr/en/cyberStation.do

And the flip side:

Los Angeles: http://www.orangesmile.com/common/img_metro_maps/los-angeles...

San Francisco: http://mapsof.net/san-francisco/san-francisco-bay-area-metro...