Talk:History of Bay Area Rapid Transit

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Contradiction[edit]

Under the Origins and Planning heading, I find this text:

The idea of an underwater electric rail tube was first proposed in the early 1900s by Francis "Borax" Smith.

On the page specifically about the Transbay Tube, I find this:

The idea of an underwater tube traversing San Francisco Bay was originally conceived in October 1920 by Major General George Washington Goethals, the builder of the Panama Canal.

Not sure which is correct. —Preceding unsigned comment added by 76.202.198.214 (talk) 19:32, 12 November 2009 (UTC)[reply]

Perhaps it's meant that the original idea of the existence of an underwater electric rail tube in general was proposed by Smith, yet the specific instance of the underwater tube that traverses San Francisco Bay was conceived by Goethals. --99.17.205.249 (talk) 10:55, 9 January 2010 (UTC)[reply]

Outdated routing[edit]

The SFO routing is out of date. This is just a reminder that I want to verify the details and update the article. Mike (talk) 21:33, 30 June 2011 (UTC)[reply]

There seem to be other problems with the routing: When the Richmond section was opened, there were two lines that operated, The Richmond-Fremont line ( Orange color ) and The Richmond Daily city line ( Red Color ).

https://www.bart.gov/sites/default/files/images/basic_page/BART_OriginalMap.png — Preceding unsigned comment added by 2001:558:6045:56:B059:7C0D:436:5BC6 (talk) 05:12, 11 December 2018 (UTC)[reply]

Wide Gauge[edit]

It would be really useful to know why the original designers of the system chose a wide gauge for the rails rather than the standard gauge. —Noah (talk) 16:22, 17 September 2014 (UTC)[reply]

A wide gauge was chosen, as well as a innovative rubber rail attachment system, and CWR, Continuous welded rail to make the ride smoother.

I had read this in a IEEE specrium article, that is behind a paywall. https://ieeexplore.ieee.org/document/1448279

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1972 Crash due to 1702 EPROM, not crystal oscillator.[edit]

I'm not proposing that the article be changed, because that would require the citation of Reliable Sources. ( This, to the contrary, appears to be a source: https://www.princeton.edu/~ota/disk3/1976/7614/7614.PDF , see the page numbered on the image as 79: "The cause of the accident was traced to a faulty crystal oscillator in the carborne speed control electronics, causing the train to speed up when it should have slowed to enter the station. ) But, I think that source contains an error. I'd like to relate that about 37 years ago, a person who worked at Intel Corporation (who, I think, had worked at Intel in 1972) told me that the actual cause of the 1972 crash was not due to a crystal oscillator, the story that had been publicized, but was in fact due to a defect in a 1702 EPROM device, which I assume was built by Intel. The 1702 was a 2-kilobit device (256 byte). https://en.wikipedia.org/wiki/EPROM 2601:1C2:4E02:3020:4146:2231:C4F1:8E76 (talk) 19:32, 29 March 2018 (UTC)[reply]

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