San Francisco

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In this photo taken Wednesday, May 14, 2014, the new Apple CarPlay powered by Pioneer, asks a driver a question during a demonstration in San Francisco. Utilizing large, in-dash Pioneer LCD displays, CarPlay, featuring Siri voice control, gives iPhone users the features while allowing them to stay focused on the road. (AP Photo/Eric Risberg)

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ADVANCE FOR USE TUESDAY, MAY 27, 2014, AND THEREAFTER- In this May 6, 2014 photo, Steven Ritchie, an assistant general manager of San Francisco Public Utilities Commission, walks on a bridge over Moccasin reservoir at the Moccasin Powerhouse in Moccasin, Calif. Tuolumne River water rushes through the plant, creating electricity, then goes into the reservoir before being carried by tunnels to San Francisco Bay Area taps. (AP Photo/Jae C. Hong)

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File - In this Feb. 4, 2009 file photo, tourists walk down Lombard Street, known as "the crookedest street in the world," in San Francisco. San Francisco's crooked street could soon be closed to tourists in the summertime. A transportation commission is scheduled to consider an experimental shutdown of the famously curvaceous block of Lombard Street plus an adjoining block where cars line up and wait. The move comes in response to complaints from residents about traffic on the street. (AP Photo/Eric Risberg, File)

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File - In this April 28, 2008, file photo a long exposure creates streaks of light as motorists wind their way down Lombard Street in San Francisco. San Francisco's crooked street could soon be closed to tourists in the summertime. A transportation commission is scheduled to consider an experimental shutdown of the famously curvaceous block of Lombard Street plus an adjoining block where cars line up and wait. The move comes in response to complaints from residents about traffic on the street. (AP Photo/Marcio Jose Sanchez, File)

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File - In this Oct. 2, 1970, file photo shows the "crookedest street in the world," the 1000-block of Lombard Street in San Francisco. San Francisco's crooked street could soon be closed to tourists in the summertime. A transportation commission is scheduled to consider an experimental shutdown of the famously curvaceous block of Lombard Street plus an adjoining block where cars line up and wait. The move comes in response to complaints from residents about traffic on the street. (AP Photo/File)

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A group goes down Lombard Street on segways on Tuesday, May 20, 2014, in San Francisco. San Francisco's crooked street could soon be closed to tourists in the summertime. A transportation commission is scheduled to consider an experimental shutdown of the famously curvaceous block of Lombard Street plus an adjoining block where cars line up and wait.(AP Photo/Marcio Jose Sanchez)

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Motorists make their way down Lombard Street on Tuesday, May 20, 2014, in San Francisco. San Francisco's crooked street could soon be closed to tourists in the summertime. A transportation commission is scheduled to consider an experimental shutdown of the famously curvaceous block of Lombard Street plus an adjoining block where cars line up and wait.(AP Photo/Marcio Jose Sanchez)

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Motorists and visitors on foot converge on Lombard Street on Tuesday, May 20, 2014, in San Francisco. San Francisco's crooked street could soon be closed to tourists in the summertime. A transportation commission is scheduled to consider an experimental shutdown of the famously curvaceous block of Lombard Street plus an adjoining block where cars line up and wait.(AP Photo/Marcio Jose Sanchez)