<P> The signature colors for In - N - Out are white, red, and yellow . The white is used for the buildings' exterior walls and the employees' basic uniform . Red is used for the buildings' roofs and the employees' aprons and hats . Yellow is used for the decorative band on the roof and iconic zig - zag in the logo . However, variations in the color scheme do occur . </P> <P> The first In - N - Outs had a common design, placing the kitchen "stand" between two lanes of cars . The "front" lane is nearest the street, and the "back" lane away from the street . A metal awning provides shade for several tables for customers desiring to park and eat, but there is no indoor dining . A walk - up window faces the parking area . These restaurants store food and supplies in a separate building, and it is not uncommon for a driver to be asked to wait a moment while employees carry supplies to the kitchen across the rear lane . </P> <P> This simpler design is a popular image on In - N - Out ads and artwork, which often shows classic cars such as 1965 Mustangs and 1968 Firebirds visiting the original restaurants . The original Covina restaurant, located on Arrow Highway west of Grand Avenue, was forced to close in the early 1990s due to re-engineering and development of the area . A modern design, drive - up / dining room restaurant was built a few hundred feet away . The new building is much larger (approximately half the size of the entire lot upon which the earlier restaurant sat), and is often filled to capacity . </P> <P> Like many chain restaurants, newer In - N - Out restaurants are based on a set of templates or "cookie - cutter" blueprints, which are chosen based on available space and expected traffic levels . While external appearance of its buildings may vary to meet local zoning and architectural requirements, the interior floor plan and decor in most recently constructed In - N - Out restaurants are identical . However, some restaurants are designed to stand out, such as the restaurants at Fisherman's Wharf, San Francisco and Westwood, Los Angeles . </P>

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