Located below Utrecht Central Station in the Netherlands, the world’s largest bike park, completed in 2019, integrates seamlessly with train services. It accommodates 12,656 bicycles across three underground levels. Developed to promote cycling and public transit, it includes repair services and digital navigation. The facility aims to reduce urban congestion and enhance sustainable commuting.

Source: https://www.dezeen.com/2019/09/12/worlds-biggest-bike-park-utrecht-central-station-ector-hoogstad-architecten/