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Midland Mainline speed test

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WatcherZero

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RECORD SPEED ON MIDLAND MAIN LINE
Monday 02 Jul 2012 15:12

displaymedia.ashx


Test train hits 125mph near Bedford


Network Rail and East Midlands Trains have operated a diesel train at 125mph for the first time on the Midland main line.*

Special permission was received to run an East Midlands Trains Meridian unit at its maximum speed on Sunday, travelling between Bedford and the site of the former Ampthill station, a distance of 8.5 miles.

The high speed test was set up to research the effects of travelling at such a rate on the line’s infrastructure.

Network Rail’s route managing director Martin Frobisher said: “This test run shows Network Rail’s commitment to increasing speeds on the Midland Main Line and improving passengers’ journeys.

“It also shows how much research has to go in to preparing for an increase in speed. Work carried out on test runs like these won’t just be used on this stretch of railway but will be used in many future rail projects.

“With the upcoming redevelopment of Nottingham station, it’s an exciting time in the region.”

Network Rail is working to increase speeds on the route between from spring 2014, to reduce the journey time between Sheffield and London to under two hours.

Scientists from University of Birmingham were invited on the run to examine the aerodynamic effects and pressure waves created running at 125 mph through Ampthill Tunnel. It is intended that the research will then feed in to work on other railways, including the proposed HS2.

Meanwhile East Midlands Trains was researching the driver’s views of the line and its signals at high speed, as well as the all-important ‘coffee-cup test’ inside the coaches.

David Horne, Managing Director for East Midlands Trains, said: “This trial is a small but important test which will eventually lead to faster journeys between Sheffield and London. Taking the train is already faster than driving from South Yorkshire to London.

“This exercise will allow rail to retain its competitive edge over the car and help improve our customers experience. It shows that by working hard, in partnership with Network Rail, we will deliver an even better service to our passengers who use our London services."

One foot crossing, at Ampthill, was closed and monitored by Network Rail staff, when the train passed by – with two runs in each direction.

The current maximum speed anywhere on the line is 110mph.

*British Rail's gas turbine Advanced Passenger Train went at 125mph on test.

http://www.networkrailmediacentre.c...IDLAND-MAIN-LINE-1af7/SearchCategoryID-6.aspx
 
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Yew

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Sounds good, However I hope the track is tamped before 125 is rolled out for more tests, or into service, on the ends of a HST carriage it gets pretty bumpy at 110,
 

WatcherZero

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To be honest ive not heard much about this project, I had heard they were trying to increase the number of 110mph sections but hadnt heard of 125mph targets.
 

Edvid

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Nice to see some actual progress on the 125mph linespeed project (even if no corresponding track replacement has happened AFAIK); yet it's still frustrating to see the initial phase of 125mph running being pushed back by yet another year.
 

swt_passenger

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To be honest ive not heard much about this project, I had heard they were trying to increase the number of 110mph sections but hadnt heard of 125mph targets.

The intended line speeds have been listed in the last few issues of the CP4 enhancement plans.

EG on page 157 of the Mar 2012 version of the milestones:

http://www.networkrail.co.uk/publications/deliveryplan/Control-Period-4/Delivery-Plan-update-2012/

There are a number of discrete 125 mph sections shown, but they definitely aren't a large proportion of the route as a whole. There are also some lengths shown as 115 or 120 mph...
 

WatcherZero

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Thanks, does look like some 110-125mph improvements but the most common is <100/100-105/110mph.
 

ainsworth74

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Only on the short run on the ECML between Doncaster and York. Though of course when they were with HT they had plenty of 125 running.
 
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