Working through the wee hours of night and early morning, they perform maintenance work on tracks and electrical wires that ensures a smooth and uninterrupted ride during the day.

In a series of stunningly realistic illustrations, 74-year old artist Masami Onishi has recreated these trains in accurate detail. And if these illustrations seem nostalgic of familiar in any way, it’s probably because you’ve come across Japanese toy maker Tamiya’s vintage toy boxes.

The illustrations of trains seen here are part of Project Toei, an initiative from the The Tokyo Metropolitan Bureau of Transportation to highlight various aspects of the city’s incredible infrastructure.

For a closer look at some of Onishi's iconic work, read the original article from our friends at Spoon & Tamago via the link below.