Parking guidance and information

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Variable message sign showing people driving where parking spaces are available.

Parking guidance and information (PGI) systems, or car park guidance systems, present drivers with dynamic information on parking within controlled areas. The systems combine traffic monitoring, communication, processing and variable message sign technologies to provide the service.

Modern parking lots utilize a variety of technologies to help motorists find unoccupied parking spaces, car location when returning to the vehicle and improve their experience. This includes adaptive lighting sensors and parking space indicators (red for occupied, green for available and blue is reserved for the disabled; above every parking space), and indoor positioning system (IPS).

PGI systems are a product of the worldwide initiative for the development of intelligent transportation system in urban areas. PGI systems can assist in the development of safe, efficient and environmentally friendly transportation network.[1]

Pay Parking Ticket Online: Making an online payment from your home is quite convenient instead of physically visiting the court and then waiting in queue for your turn. NJ ticket payment portal [2] is very easy and consists of simple procedures that anyone can perform to pay his ticket fines.

PGI systems are designed to aid in the search for vacant parking spaces by directing drivers to car parks where occupancy levels are low. The objective is to reduce search time, which in turn reduces congestion on the surrounding roads for other traffic with related benefits to air pollution with the ultimate aim of enhancement of the urban area.

Parking guidance system

Ultrasonic sensors above each lot in this indoor car park determine if a car has already taken the lot and indicate using leds; and some can send a Bluetooth/SMS message with the parking space number or code.

Parking guidance systems (PGS) have different elements:[3]

  • Detectors
  • Indicators
  • Zone Controllers
  • Data / Intermediate Controllers
  • Central Control System
  • Signs


  1. ^ "Traffic Advisory Leaflet ITS 4/03". Parking Guidance and Information. Archived from the original on 6 February 2007. Retrieved 13 April 2007.
  2. ^ "NJ ticket payment portal". Parking Guidance and Information. Retrieved 18 December 2018.
  3. ^ Idris, M.Y.I.; Leng, Y.Y.; Tamil, E.M.; Noor, N.M.; Razak, Z. (1 February 2009). "Car Park System: A Review of Smart Parking System and its Technology". Information Technology Journal. 8 (2): 101–113. doi:10.3923/itj.2009.101.113. Retrieved 24 September 2015.
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