Acela trains will reach top speeds of 165 mph (265 km/h) when new trains enter service, and 186 mph (300 km/h) in coming years. Other services reaching 125 mph (200 km/h) are prevalent in the US, and are officially classified as higher-speed rail.
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The original goal of the Maglev project was to produce a train that could cover the route from Tokyo to Osaka in less than one hour. This will be achieved when the Maglev line is extended from Nagoya to Osaka, expected to be in operation by 2045.
The current world speed record for a commercial train on steel wheels is held by the French TGV at 574.8 km/h (357.2 mph), achieved on 3 April 2007 on the new LGV Est.
It's no surprise that when it comes to train travel — and any form of transportation — the future means faster. High-speed trains are already prevalent throughout the world, but are poised to explode in ubiquity in the coming years.
One of the limiting factors in a train's speed is the track itself. If the train goes faster around a curve than the track is designed for, it's going to derail. Changing a vehicle's speed is pretty easy but relaying a lot of track is not so easy. See this wiki article on high speed rail.
1: Shanghai Maglev - 460 kph/286 mph (China)The world's fastest public train is also unique – it's the only link in the world currently carrying passengers using magnetic levitation (Maglev) rather than conventional steel wheels on steel rails.
Reduced traffic: During the nighttime, there is generally less road traffic and fewer other trains on the tracks. This allows trains to move more efficiently and with fewer delays, as they encounter fewer obstacles and can maintain a consistent speed.
The Glacier Express is the world's slowest train, taking more than eight hours to travel between Zermatt and St. Moritz in Switzerland at an average of 18mph. Along the way, it passes over nearly 300 bridges, travels through 91 tunnels and takes in endless stunning Alpine views.
These 10 train routes have the fastest maximum speeds in the world. They all go somewhere you'd want to go. They're almost all faster than flying, if you count traveling to and from airports and going through security.
On present trends, passenger and freight activity will more than double by 2050. Such growth is a token of social and economic progress. But it carries with it growth in energy demand and in emissions of CO2 and atmospheric pollutants. Greater reliance on rail can cut that growth.
Ever wondered how can you fall asleep so easily while travelling by train? Because, the coaches are designed with a resonance frequency of suspension of 1.2 Hz, this is the same frequency that the human body is most comfortable with.
Maglev trains work on the principle of magnetic repulsion between the cars and the track. The word maglev is actually a combination of the words “magnetic” and “levitation.” The magnetic levitation, or floating of the train, is achieved through the use of an electrodynamic suspension system, or EDS.
Originally Answered: Why do Indian Railways coaches vibrate so much? The rails are not properly manufactured, alligned, good amount of gap at joints, wheels outer surface & bearing are in detoriated condition and poor condition of Track tends to vibrate the coaches.