https://urbanrailtoday.com/tag/streetcar/ http://www.lightrailnow.org/
https://urbanrailtoday.com/2014/09/29/detroits-m-1-modern-streetcar-project-gets-under-way/
https://lightrailnow.files.wordpress.com/2013/06/alstom-citadis-spirit-diagram-modular-expansion_alstom.jpg