The newly modernized parking garage from B+B Parkhaus GmbH & Co. KG in Düsseldorf is a ten-half-level facility situated in a prime location near the civil status office at Hofgarten. With its strategic position in the city center, the garage provides convenient access to key destinations such as the Rhine River, Heinrich-Heine-Allee, and the renowned Königsallee shopping street.
Designed with one entry and one exit, the garage is equipped to handle the high traffic typical of this vibrant urban area. Its proximity to major attractions and business districts makes it an ideal parking option for visitors to Düsseldorf's bustling downtown.
The project encountered several challenges during its implementation. One of the primary concerns was camera placement within the parking garage. Since the facility is secured by a roll-up door from approximately 9 PM to 6 AM, it was crucial to position the cameras to capture vehicles immediately upon the door opening without requiring an additional trigger.
Previously, the system had a ticket dispenser placed before the roll-up door, and the door would open once a ticket was taken to get into the garage, followed by a barrier. Another significant challenge was effectively communicating the system change to the users. The new system replaces the physical ticket with a digital solution, where the license plate acts as the "ticket." Customers now need to pay using their license plate at the payment machine. Ensuring that users understood this change and adapted to the new process was vital for the smooth operation of the parking garage.
What happens if the parking garage is full? Can vehicles still enter?
The motto of the project is "SIMPLE & CLEAR COMMUNICATION"
The aim was to move away from the usual A3 signs with small lettering and instead use short and simple language. A digital display panel was installed directly in the driver's field of vision, displaying the license plate number recognized by the camera. To make the payment process at the pay machine easier, customers are repeatedly reminded of the phrase ‘Remember your number plate’ throughout the stairwell and in the lift. Intercoms at the entrance and exit were deliberately omitted so that drivers could concentrate on driving.
The barrier at the entrance always remains open unless the car park is full, in which case it remains closed. The exit is ticketless and the barrier will open automatically as soon as the vehicle approaches. The display at the exit will light up green if the ticket has been paid. An enforcement process is in place for instances where a visitor might fail to pay their parking fee.
After the implementation of a ticketless, free-flow system, the following additional improvements were observed:
Increased Accuracy: The accuracy rate is consistently 99% (and can stay that way using Guard).
Simplified access and payment: The new system uses automatic number plate recognition instead of physical tickets, greatly simplifying customer access to the car park and the payment process. Customers only need to remember their license plate number and enter it at the pay station to pay.
Reduced or eliminated traffic congestion at entry and exit: Thanks to the automated barrier control and license plate recognition, there is minimal to no congestion at the entry and exit points. Vehicles can enter and exit more quickly, significantly improving traffic flow.
No more lost tickets: Since the system relies on license plate recognition instead of physical tickets, the issue of lost or forgotten tickets has been eliminated. This reduces stress for users and decreases the workload for the management staff.
Reduced staffing requirements: By eliminating the need for intercom systems and simplifying the overall process, less staff is required to oversee the parking garage's operation and assist customers with issues. This leads to cost savings and more efficient facility management. These changes have resulted in a smoother operation and an enhanced user experience within the parking garage.
The team reported a stable 99% accuracy rate. However, many in-site variables affect LPR accuracy, from slight changes in camera position to misconfiguration; the question remains: How can you know if your LPR Cameras are providing the best possible accuracy?
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