Background

The design of a parking lot should begin with an analysis of the needs and limitations of the users and the facilities. These requirements will vary depending upon applications that create the need for varying models. The type of user traffic may necessitate separate spaces for visitors, executives, handicapped, and delivery vehicles. Ideally, these types of stalls have specific location requirements within a parking lot.

The average class of vehicle is important in determining the size of the parking stalls. It is possible to have a standard spot size, or perhaps to maximize efficiency, have spaces for different sizes and ranges of vehicles. Some types of vehicles include full-sized cars, medium-sized cars, compacts, pickups, full-sized trucks, motorcycles and bicycles. The stall requirements can range from 7.5x15(compacts) feet to 9x19 feet (campers and vans). If only one type of stall size is chosen, the size chosen would have to be closer to the larger requirement for campers and vans.

The use of different stall angles has many advantages and disadvantages. Depending on the parking lot dimensions, it has been shown that the optimum parking angle is 60 degrees. The use of one way aisles, and stall overlaps saves space and facilitates parking. The width of the traffic aisles are directly related to the chosen stall angle, i.e. a wider aisle is needed to make a 90 degree turn rather than a 60 degree turn.

Other factors that should be considered include the placement of driveways, lighting, landscaping, sidewalks, and entry/exit systems. Once the above factors have been determined, the best layout can be chosen to maximize the number of parking spaces.


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Last Updated November 19, 1997