Image:Sfbaybridge at night.jpg
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This is a file from the Wikimedia Commons. The description on its description page there is shown below. |
Summary
| Description |
English: Western Span of the San Francisco-Oakland Bay Bridge at night
The illuminations on the cables, while part of the original design, are actually a relatively recent addition, made practical by the availability of high efficiency compact fluorescent lamps. The original roadway illumination was by low pressure sodium vapor lamps, which while efficient give off a garish monochromatic yellow light. On the lower deck these have been replaced with tubular fluorescent lights attached to the bottom of the upper deck, while on the upper deck the illumination is by high pressure vapor lamps, which give off a more full spectrum light. 日本語: サンフランシスコ・オークランド・ベイブリッジ.
Português: Ponte São Francisco-Oakland.
Русский: Мост Бэй-Бридж, соединяюший Сан-Франциско и Окленд.
中文: 三藩市灣區大橋.
Bahasa Melayu: Jambatan Teluk San Francisco-Oakland.
O'zbek: San Fransisko va Oklendni birlashtiruvchi Bay Bridge (Bey Bridj) koʻprigi.
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| Source |
This photo is from a newsletter prepared by the Federal Highway Administration of the US Department of Transportation. |
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| Permission ( Reusing this image) |
see below
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Licensing
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This image is a work of a United States Department of Transportation employee, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain. |
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 21:09, 21 September 2005 | 345×279 (13 KB) | Wolfgang K | (San Francisco Bay Bridge) |
