The first section of the Metropolitan Expressway was inaugurated in 1962, between Kyobashi Exit in Chūō and Shibaura Exit in Minato.
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:

Urban Expressways, View from Sunshine City, Ikebukuro, Tokyo

EXIF Info:

Yesterday’s Japan Photo: Soga Brothers Shrine and Story