Space Available for Parking System’s Growth

27 May 2021
Pcgs university of houston


A By Space Parking Count and Guidance System is appropriate for both large and small parking structures alike where enhanced wayfinding is required, and monitoring of parking turnover is desired to understand parking trends over time.

Parking count systems and parking guidance systems in various forms have been around the parking industry for some time. In order to better comprehend how a parking guidance system can be utilized in a parking facility, we must first understand the three predominate types of systems and how each are utilized for different user groups and types of parking facilities.

The entry level system is generally referred to as a parking facility count system. These types of systems utilize either the barrier gates and/or a bi-directional counting mechanism located at each ingress and egress lane to the facility. The cost for these types of systems can run approximately $20,000 per lane, which includes the sensors/loops, counting software, and a basic lot open/full sign. This entry system is less accurate and requires daily calibration, which adds additional labor costs to the parking facility operating expenses. The need for daily calibration comes from less-than-ideal accuracy levels of 90% to 93% that can compound daily without proper calibration. The ideal parking facility to utilize this type of system would be a small parking structure—less than 500 parking spaces—with a single helix ramping system and two-way traffic patterns.

Some owners and parking operators prefer an entry level guidance system to inform customers of the general availability of parking within the facility as either open or full and are less concerned about guiding them to the first—or last—available parking space.

By Level Parking Count and Guidance

A mid-level parking guidance system utilizes the same type of technology as the entry level system but adds additional locations that count vehicle movements within the facility and variable message signs to indicate the number of available parking spaces at each level. This type of system is generally referred to as a By Level Parking Count and Guidance System. As the name implies, counting mechanisms such as inductance loops or ultrasonic sensors located at the entry and exit portals to indicate how many vehicles entered and exited each level compared to how many spaces are available.

This type of system provides general information indicating how many spaces are available on each level of a facility through the use of variable message signs located at each entry portal to the facility as well as variable message signs located at the entry to each parking level.

A By Level Parking Count and Guidance System is most appropriate for larger parking facilities where the user does not pass every parking space as they traverse the parking structure. In the recent past, many airport parking structures have implemented this type of system to provide basic parking availability to the user on a by level basis. Because the system architecture is based on bi-directional counting mechanisms located within traffic lanes, it also suffers from accuracy and reliability challenges. For a larger parking facility to achieve the intended purpose of accurately guiding patrons to levels with available parking, the system must be calibrated daily. Larger parking facilities—over 2,000 parking spaces—sometimes must calibrate twice a day. As a result, the labor cost can be quite a challenge during the daily or twice daily calibration.  

The general cost structure of these systems is around the same as facility count systems and are generally priced on a per lane basis at approximately $20,000 per lane. As an example, a 9-level parking structure that contains 2,500 parking spaces and utilizes an express ramp system contains approximately 22 lanes. At an approximate cost of $20,000 per lane this would equate to a total system cost of approximately $440,000.

By Space Parking Count and Guidance

The premier parking count and guidance system is generally referred to as a By Space Parking Count and Guidance System (PCGS). This system includes sensors that monitor each individual parking space by means of ultrasonic or camera-based technology. The main benefit of this type of system is the ability to guide parking patrons to the first and last available parking space in the facility. Dynamic wayfinding signs are located throughout the parking structure at each major decision point.

In addition to the enhanced wayfinding, by space parking count and guidance systems increase the average utilization of the parking structure by upwards of 10%. In large parking structures, without a parking count and guidance system, parking operators generally close the facility once occupancy approaches 85% to 90%. The last remaining parking spaces in this scenario are very difficult to locate and can cause much frustration for patrons and operators alike. A PCGS can allow a parking facility to achieve close to 100% utilization without a severe reduction in customer satisfaction.

A PCGS is appropriate for both large and small parking structures alike where enhanced wayfinding is required, and monitoring of parking turnover is desired to understand parking trends over time. Understanding trends such as occupancy during peak times can help operators predict when to expect increased traffic and demand for parking spaces. In the early part of this decade this type of system was predominately used in airport parking structures to help patrons find available parking quickly, especially during peak travel seasons.

As the popularity of the by space parking count and guidance systems grew, many other markets such as retail, commercial office, higher education, and healthcare institutions began to take notice on how these systems can help their parking operations. All of these vertical markets have differing goals and reasons for implementing a PCGS in their parking facility, but all agree that enhancing the customer and/or employee experience was the main reason for selecting a by space parking count and guidance system.

The cost of a PCGS can vary depending on the level of wayfinding signage needed and the complexity of the parking structure. Using the same example from above, a 2,500-space parking garage with single space monitoring can run in the range of $450 to $650 per each parking space. For a 2,500-space parking garage the cost can range from $1.1M to $1.6M for initial cost. Ongoing costs can include the cost for the vendor to host data and preventative maintenance. The additional benefit is the virtual elimination of labor cost to calibrate the system daily. Accuracy and reliability with these systems, depending on the vendor of course, is upwards of 99%.

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