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Old November 21st, 2015, 03:28 AM   #1
mrsmartman
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MISC | Noisiest Metro?

I'm interested to hear what people consider as the most noisy metro that they have used!



According to RailWorks, trains operate at a maximum speed of 60 mph through the East River Tunnels.
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Old November 21st, 2015, 03:49 PM   #2
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My choise would be definetely Budapest. The old lines (M2 and M3).
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Old November 21st, 2015, 08:49 PM   #3
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The tube can be quite noisy. Stockholm is pretty quiet, as is most of the Tokyo subway (except the Oedo line due to curves).
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Old November 21st, 2015, 08:58 PM   #4
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Definitely the tube but also the one line at Budapest i have tried was very noisy.
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Old November 21st, 2015, 10:53 PM   #5
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Quote:
Originally Posted by mrsmartman View Post
I'm interested to hear what people consider as the most noisy metro that they have used!
That must be definitely the rubber tire lines of the Paris metro network. The noise level of an approaching or leaving train is breathtaking.
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Old November 22nd, 2015, 03:18 AM   #6
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The Montreal Metro is really loud. It also uses Paris rubber tire technology but also their windows at the ends of the train cars are meshes that open to the outside.
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Old November 22nd, 2015, 11:45 AM   #7
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When I rode BART through the Transbay Tube my ears almost fell off.
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Old November 22nd, 2015, 12:26 PM   #8
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The Chicago CTA Red and Blue lines in the subway tunnels are really loud. The Red line has gotten better recenly due to the new trains, but I'm convinced that the CTA train wheels are full of bald spots due to drivers (motormen) braking excessively all too often. These wheels rattle down the track and damage the rails and it becomes a vicious cycle.
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Old November 22nd, 2015, 02:26 PM   #9
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I've been on very few metro systems so I'm not really in a good position to compare, but for me the noisiest station is Encants (L2) from Barcelona metro. The tunnel between this station and Sagrada Família is composed of three sharp turns which are really noisy when you're waiting on the platform and the train arrives.

Sagrada Família is also noisy, but being more spacious and the usual brouhaha makes it less annoying.
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Old November 26th, 2015, 07:09 PM   #10
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For me , I felt that the Singapore's newer metros/MRT are much noisier, with the Circle Line topping the list due to the "Sharp" curve by the Promenade Station from Esplanade Station. But I believe it's not as noisy as the NY Subway...
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Old November 26th, 2015, 07:48 PM   #11
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Budapest definitely - noisy, dangerous, primitive.
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Old November 26th, 2015, 09:05 PM   #12
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Dangerous? Why?
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Old November 26th, 2015, 10:06 PM   #13
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Train noise mainly occurs at the wheel / rail interface. One of the worst problems occurs on tightly curved track where the wheel flanges scrape along the face of the rail - known as sidecutting. Not only is this very noisy but it wears both the wheel and rail. To get round that problem, flange lubricators are often used. My local rail network, Merseyrail has a problem with this due to tight curves in the tunnelled sections.

The noise problem that lkstrknb describes occurs when a train brakes too hard and the wheels lock and slide along the rail causing 'flats' on the wheel profile. That causes a knocking noise when the train is in motion. Modern anti-slide mechanisms that release the brakes when the wheel begins to slide (like ABS in cars) help eliminate that problem.

Another cause of very noisy track is corrugation. This tends to happen in wet tunnels where there is corrosion of the rail head. Trains wear the rail head unevenly into a wave like profile, that can cause 'roaring rails'. Not generally a problem in metros as it tends to affect lines with light traffic.
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Old November 26th, 2015, 11:56 PM   #14
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The C subways in Buenos Aires it's powerfull noise (because two closer curves) and don't leaves a conversation in the Diagonal Norte Station
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Old November 27th, 2015, 01:19 AM   #15
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The noisiest I've ever been in was in Paris (rubber-tired metro) and New York (old, rickety).
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Old November 27th, 2015, 01:23 AM   #16
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Quote:
Originally Posted by Falubaz View Post
Dangerous? Why?
Because if it just happens that you find yourself in the middle of closing doors, there is a huge probability that you will be seriously injured.
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Old November 29th, 2015, 07:41 PM   #17
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Why should i be there? And dont the doors open when there is an obstruction of closing them?
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Old November 30th, 2015, 07:15 AM   #18
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I thought rubber tire metros were supposed to be more quiet then there steel wheel counterparts?
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Old November 30th, 2015, 07:53 AM   #19
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That may have been true when rubber tyre technology was first introduced, but since then, steel wheel tech has been greatly refined.

But also, it's different kind of noise. With steel wheels, the noise is largely when it's cornering or traversing switches where it often screeches or squeels which doesn't happen with tyres. These occurrences are louder than at any point on a tyre metro. But the tires have a much more constant noise.
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Old November 30th, 2015, 08:00 AM   #20
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I suspect the noise generated by rubber-tyre system is at a higher frequency than steel wheel on steel rail systems, and thus may attract attention/annoy more people. Even on a straight stretch of track, such as accelerating or braking at a station, the screech can be quite loud to prevent normal conversation on the platform. OTOH, a conventional modern subway train (steel wheel on steel rail), on straight CWR, will be almost silent (almost no noise from the rail interface), with any noise coming from the on-board inverters and traction motors.
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