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8A Page 38 Shared parking applies at the district level, too. To illustrate this, we will devise another hypothetical downtown. This downtown has 1 miilion square feet of office space, 545,500 square feet of retail space, 150,000 square feet of restaurants, theaters with a total of 10,000 seats, and hotels with a total of 3,000 rooms. This means that at their peak, each of these land use categories needs 3,000 parking spaces. The chart below, based on mixed-use parking standards developed by the Urban Land Institute, demonstrates the efficiencies of shared parking in our hypothetical downtown. The thin lines at the bottom show the parking needs of different uses throughout the day and week. Note that each use peaks at 3,000 spaces-but at different times. The thick red line in the middle of the chart represents the total number of parking spaces occupied at each time slot. The straight thick blue line at the top represents the peak number of stalls ever needed by each use, combined. In a suburban setting, the blue line at the top would be the number of stalls necessary, due to a lack of shared parking, walkability, and density. However, due the shared parking efficiencies of a downtown, the actual number of spaces occupied at any given time (red) never comes close to the theoretical need (blue). The "Shared Parking" Efficiencies of Downtowns 16,000 15,000 14,000 i 13,000 g. 12,000 8 o 11,000 en __ Office 8 10,000 '" __ Retail Q. 9,000 C/) Restaurant Cl B,OOO ' -- Entertainment c: :i2 ....... Hotel Iii 7,000 a. .....Total Downtown Demand .... 6,000 0 ""'-Combined Peaks CD 5,000 .0 E ::> 4,000 Z 3,000 2,000 1,000 - ::E ~ ~ ~ ~ ~ z ~ ~ ::E ::E ::E ::E ::E ::E ::E ::E ::E ~ ::E ::E ::E ::E ::E ::E'~ ::E ::E ::E ::E ::E ::E ::E ::E ::E ::E ::E ~ < ,0 a.a.o..o..o..o..o..o..a. <<<<<<1 a.o..o..o..o..o..a.o..o..o..o.. ~ ~ ~ ~i~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ li! ~ li! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ li! ~ ~ ~ ~ ~ ~ ~ ~~~~O_ _N~.~w~~mo_o~~mmo_ -NM~~w~~mo-o -- --~ -- --~ Weekdays Saturday ~~~e 21 --. . -, ........-. -"~-'" .. ___H' ._._, _._ .... ~._"'___~_.._.____.____.__.___., __._ ,__ _ _._.__..____....___.._.___..___.."._____. _.