intersections and connections

http://en.wikipedia.org/wiki/Kennedy_(TTC) ,
http://www.thecrosstown.ca/the-project/maps

http://en.wikipedia.org/wiki/Scarborough_RT

http://www.thecrosstown.ca/the-project/stations-and-stops/kenndey-station

http://www.ttc.ca/Subway/Stations/Kennedy/station.jsp#StationDescription_

http://en.wikipedia.org/wiki/Eglinton_Crosstown_line#Construction

http://transit.toronto.on.ca/subway/5115.shtml

http://en.wikipedia.org/wiki/42nd_Street_%E2%80%93_Bryant_Park_/_Fifth_Avenue_(New_York_City_Subway)#IRT_Flushing_Line_platform

1905 http://en.wikipedia.org/wiki/Ninth_Avenue_derailment