Sunshine (she/her)New World Train Electrification in Colour
over_cloxPosted image is literally in grayscale (though the provided link is in color).
Because the vast majority of the rail lines in the Americas are fossil fuel powered.
I checked your provided link, practically all the lines were orange.
That’s for existing rails you have to click the electrification option.
Then you should clarify that people should check the link if they want to see the colored map.