Near the Køge Bugt Motorway, north of Køge, you will find an architecturally spectacular train station, which is a new hot-spot and traffic hub for the entire metropolitan area. The iconic and easily recognizable station, Køge Nord Station, consists of, among other things, a 225-meter-long aluminum-clad pedestrian bridge that winds over the eight-lane highway. The station was inaugurated on May 31, 2019 and aims to create green and sustainable mobility by offering access to both high-speed trains, S-Bahn and highway at one station.
The solution is also called a large Park and Ride facility, where the 8,000 daily passengers can easily switch between train, car, bus and bicycle. The Park and Ride facility has a total of 900 parking spaces, of which 700 parking spaces are established on the long-distance train side of the station. Here, commuters can park their cars for free and use public transport to inner Copenhagen, knowing that they are helping to protect the environment.
With as many as 700 parking spaces and up to 8,000 daily passing passengers, distributed in cars, buses and on bicycles, the parking lot's rainwater and surface water can come into contact with, among other things, tire wear (microplastics), heavy metals, dust, brake linings, soot particles/PAHs, pesticides and phosphorus (nutrient) - substances that all contribute to polluting the water to such an extent that it can create problems for Køge Nord's surrounding natural and aquatic environment, including sensitive recipients.
This is solved by installing and using a fine particle separator. Rainwater and surface water from the parking area is effectively cleaned through the system, which is hidden under wildflowers in the nearby green area. The cleaned surface water can then be fed to the sensitive recipient Snogebækken with a clear conscience and without the risk of polluted natural and aquatic environments.
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