Source: Riding the Railway of the Future stock image | Look and Learn
EDIT (image changed to a non-watermarked higher resolution version):
watermarked low-res image from the source
*removed externally hosted image*
Hi-res non-watermarked image source: therewillbeeffects
At this point, the future railway was already sixty-two years old! But... no need to reinvent something that works fine I suppose.