If you’re rushing to catch a train in the Dutch city of Utrecht, you’ll probably show up on a bike—and a massive new bike parking garage is designed to let you store your bike and get to the platform as quickly as possible. Though it’s the largest bike parking garage in the world, with space for 12,656 bicycles, the design means that you can ride inside, find a spot, and be at your train in five minutes or less…

Commuters ride down ramps into a giant bicycle roundabout that leads past rooms of racks, with exits to ride to different levels and color-coded walls to show different routes. “Basically, you can never go wrong as long as you keep cycling,” he says. “You pass all the possible locations.” Each storage space has two levels of racks, all equipped with sensors, so someone riding by can easily see if there’s space available on digital signs.
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