Today, there are 24 rutes in the Tokyo metropolitan area, totaling 280 km.
But during night, seen from above, you can completely forget the utility aspect and be charmed by the beauty of this Tokyo red veins:
EXIF info:
Nikon D90
Lens: VR 70-300mm F/4.5-5.6G
Focal Length: 122mm
Aperture: F/7.1
Shutter Speed: 5s
ISO Sensitivity: ISO 200