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Old November 21st, 2007, 11:04 PM   #21
iampuking
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Quote:
Originally Posted by busdriver View Post
More data on SF BART:

...how loud is it? Bay Crossings decided to put a decibel (dB) meter on it and find out. Here is the result: On average straight track, BART runs around 70 dB; on curves, this can rise to 80 dB. Curved, elevated structures and tunnels are louder at around 82 dB. Three spots in the Transbay tube achieve an astonishing 95 dB, one lingering almost three minutes.
http://www.baycrossings.com/news_arc...mon=9&yea=2003
According to this article (http://news.bbc.co.uk/1/hi/england/london/3895769.stm) noise levels on London's Victoria line peaked at 118dB, and London isn't even the noisiest, so it isn't that bad!!
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Old November 22nd, 2007, 01:58 AM   #22
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Well anything over 85dB can cause hearing damage over extended periods. So there needs to be improvements for both.
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Old November 23rd, 2007, 11:01 AM   #23
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Does this include people talking (yelling) and depends on what spots of the train itself too I think. Closer to doors would be louder.
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Old November 23rd, 2007, 08:47 PM   #24
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The Bakerloo line and the Northern line. (London Underground).
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Old November 25th, 2007, 04:08 AM   #25
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Chicago's El.
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Old November 25th, 2007, 04:30 AM   #26
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NYC subway for me, especially the 7.
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Old November 25th, 2007, 04:39 PM   #27
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nyc and chicago. unbelievably noisy. good for ipod sales.
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Old November 25th, 2007, 04:49 PM   #28
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When metal rubs on metal, which is fairly common on many metro systems around the world, the sounds will definitely be deafening.
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Old November 25th, 2007, 05:54 PM   #29
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The quietest metro or subway I know is in my hometown which is the DC Metro. It's so quiet, they have to put some light shows once the trains arrives. I warn you not to read any newspapers or books because you will miss the train eventually.
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Old November 26th, 2007, 08:33 PM   #30
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I don't know about other cities,
but the Kelana Jaya Line or formally known as Putraline in Kuala Lumpur is quite noisy as there are a lot of tight bends
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Old November 27th, 2007, 01:04 AM   #31
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Quote:
Originally Posted by DFM View Post
The Bakerloo line and the Northern line. (London Underground).
Victoria line is worse. See the news article!

It's because of bad track, and the fact that the Victoria goes faster than most other lines (longer distances between stations). The Bakerloo and Northern are just noisy around tight curves, of which they have many, the Victoria line has no tight curves yet still makes a racket!
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Old December 20th, 2007, 10:40 PM   #32
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Toronto's underground segments -- concrete paving instead of good ol' ballast, plus bothersome squealing coming from the wheels when coursing the slightest of bends there....
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Old December 20th, 2007, 10:42 PM   #33
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Out of Montreal, Toronto and a few other cities. I would say the noisiest I been in is Torontos'
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Old December 21st, 2007, 05:58 PM   #34
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London underground is slowly getting better, and improvements on the victoria line shouls soon see, part of the recent lot of engineering closures (weekends and after 10pm) have been to renew the signals and track.

As for the Northern Line I rarely use it so don't feel able to comment.

On a slight diversion, as for the quietest in London I think that should go to the East London Line
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Old December 22nd, 2007, 02:23 AM   #35
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I have gotta say that the metro in Budapest was extremely noisy riding in the old subway carriages. Sounded like the gearboxes were about to explode!
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Old December 22nd, 2007, 03:10 AM   #36
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Examples of noisy metros

New York



Moscow





London, can't embed any

Here is a video of sounds at curved stations, Bank on the Central line is worse.

Here is a video of track noise on the Victoria line, ignore the annoying Canadian narrator comparing it to "the TTC".

Chicago



I want to see other videos!

Last edited by iampuking; December 22nd, 2007 at 03:18 AM.
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Old December 22nd, 2007, 12:14 PM   #37
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New York and Chicago can make A LOT of noise and the buzzing noise in the Moscow metro video can be irritating. Line 7 in NY is the worst I know. Here a video of the Brussels metro (a bit noisy but not much).


http://img532.imageshack.us/my.php?i...ideo031si4.flv

Last edited by RV1428; December 22nd, 2007 at 12:32 PM.
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Old December 22nd, 2007, 07:12 PM   #38
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The yonge line on the Toronto Subway especially between Finch Station and St.Clair it's sooo noisy that i can sometiems barely hear my Ipod
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Old December 24th, 2007, 08:32 PM   #39
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after seeing the posts of NYC and London subways, I felt the need to ask, are we asking for the loudest metro as a bystander or as a passenger? Because clarifying this makes a big difference. The new NYC subway trains like the one posted in that video are deafening to a bystander but is very quiet for a passenger. London's victoria line is much noisier to the passenger but from the outside, it might not be louder than NYC's trains.
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Old December 24th, 2007, 08:47 PM   #40
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Definitely Boston.

The track between the airport and downtown is the noisiest I've ever ridden.
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