Disc parking which can make a one-hour parking zone as short as thirty minutes, possibly resulting in an unjustified parking ticket. On March 31, 1979 the conference of ministers of transportation in the European Union decided that a European standard should only use designs with a single clock face. The standardized clock disc was introduced as federal law in Germany in November 1981, and similar designs were adopted in other European countries. From 1998 the old parking disc designs began to be abolished. France set the last date to 2007, while in Switzerland (not an EU member) the EU parking disc design
Parking lot ticket machine by vehicle, presses the ticket request push button, takes a ticket - which raises the barrier - and enters the parking lot. To exit the lot, the customer presents the ticket to a cashier in a booth at the exit and tenders payment, after which the cashier opens the boom gate. In 1954, the first automated parking lots were built where, for a monthly fee, a driver with a magnetic key card could enter and exit the parking lot by raising and lowering the boom. A more modern system uses automatic pay stations, where the driver presents the