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Sat Dec 10, 2016 10:36:38 ISTHomeTrainsΣChainsAtlasPNRForumGalleryNewsFAQTripsLoginFeedback
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How does trainenquiry.com update the live position of trains?  
15 Answers
Aug 13 2011 (3:57PM)
Railway Sites/Portals

Entry# 593     
rdb*^
How does trainenquiry.com update the live position of trains?

Aug 13 2011 (3:56PM)
News Entry# 34002  They keep track of trains' movements  
Posted by: rdb*^   Added by: rdb*^  Aug 13 2011 (3:57PM)
“Lorry hit at PRJ LC2. Incident happened around 14:50. Inform railway police immediately,” K. Ramesh, chief controller (punctuality), shouts with a sense of urgency into the mouthpiece of his communication equipment.To decode that into layman's terms, a lorry had crashed into a level-crossing gate near the Pattabiram junction. Mr.Ramesh coordinates the response that follows sitting inside a small cabin at the Southern Railway headquarters near the Chennai Central Station.Part of a small team that works round the clock over four shifts, invisible men such as Mr. Ramesh are responsible for guiding and controlling the movement of nearly 1,000 trains that are operated in the Chennai Division every day.They hand over trains from one station to the next “just like a baton in a relay race”, monitor crow nests atop overhead cables as they could cause short-circuiting, and alert the police in case a trespasser gets run over by a train. Every...
more...
single thing that could affect a train's movement is their responsibility. “It is an intensive job. There is no respite at all. You can't even take a moment's break to eat. It happens on the job,” says Mr.Ramesh.But how powerful must it feel like to control one entire section of the 65,000 km long network of the Indian Railways? “Actually, it does not feel great to be the receiving end of passenger anger. They have a right to complain about lack of punctuality, but we operate with serious infrastructural deficiencies. There is a dedicated suburban line only between Beach and Tambaram. Everywhere else, trains moving at differential speeds have to be accommodated on the same track. There is also no identified path for moving military equipment,” says Mr.Ramesh.While express trains shuttle across at 110 kmph, freight trains chug along at 75 kmph and trains carrying military tanks inch along at 25 kmph.As a train passes each station, the railway controller in charge of the section gets a call. A certain distance of separation has to be maintained between any two trains. Some express trains operate on the same track with a time lag of just 8-10 minutes.All express trains are plotted on a dynamic real-time graph as red lines. Suburban trains are blue and freight trains are green. When any of these innocuous lines on the information display meet, a catastrophic accident has happened somewhere. Digitising the operation has brought in transparency and anyone can now see the real-time position of a train through the National Train Enquiry System (www.trainenquiry.com).“Earlier, we used to plot each train's position on a graph by hand,” says R.Boopathy, chief controller (in-charge). “You can't even step out to go to the restroom. The communication headset was also horrible. Many of my colleagues have gone deaf.”But, one thing has remained unchanged over the years, he says. The tiny specks on his graph which indicate that a trespasser was run over by a train. “I feel devastated every time I see it. It is heart rending to see young persons die this way. How shocking will it be for the family? It is a major concern that needs to be addressed,” Mr.Boopathy adds.

4057 views
Aug 19 2011 (6:03PM)
Blog Post# 223360-1     
--   Added by: moderator*^~  Aug 19 2011 (11:29PM)
@Prabhakar Agarwal**: Re# 223360-0
With the help of GPS.
Will get back with more info on the same.

4051 views
Aug 19 2011 (6:07PM)
Blog Post# 223360-2     
Ranjeet*^   Added by: moderator*^~  Aug 19 2011 (11:29PM)
@Pradyu విశాఖపట్టణం**: Re# 223360-1
I think GPS system yet to be introduced. May be train enquiry data is updated based on internal communication manually / computerized received from each railway station after arrival and departure. It is just my guess.

4057 views
Aug 19 2011 (6:09PM)
Blog Post# 223360-3     
--   Added by: moderator*^~  Aug 19 2011 (11:29PM)
@Ranjeet**: Re# 223360-2
GPS is used in high priority trains is what I have read.
But manually it still works.
Excerpts from train enquiry site,
'Over the years, Railways have built up an elaborate and
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well established manual information system to help them monitoring their moving assets. Supported by a dedicated voice communications network, it collects and transmits information from the remotest corners of the country to control centres, at the highest level.'

4063 views
Aug 19 2011 (6:13PM)
Blog Post# 223360-4     
विश्व नाथ*^   Added by: moderator*^~  Aug 19 2011 (11:29PM)
@Prabhakar Agarwal**: Re# 223360-0
Now many(almost all BG) section are equipped with Data Logger system.The info is passed to NTIS (national train inquiry system) either automatically by data logger(fitted at small roadside station for auto updation) or by operating control in Divi HQ who monitors each train movement or by station having stoppage by manual data logging.
The system automatically updates itself in case of no further update or point to point update by station who have stoppage of that train(visible to public) and calculates delay status as per programing of NTIS system.
...
more...

GPS is not in use at present.

4024 views
Aug 19 2011 (6:26PM)
Blog Post# 223360-6     
S K Jain*^~   Added by: moderator*^~  Aug 19 2011 (11:29PM)
@Prabhakar Agarwal**: Re# 223360-0
To my information, observation and logical believe, it is all manually. When a train passes through a station having facility of Networking Computer, they update and that is saved into / served by the servers.

4021 views
Aug 19 2011 (6:29PM)
Blog Post# 223360-7     
Prabhakar Agarwal   Added by: moderator*^~  Aug 19 2011 (11:30PM)
@विश्व नाथ**: Re# 223360-4
I am resident of Ramgarh Cantt where as Ramgarh Cantt (SER) & Barkakana (ECR) station comes, I usually check the status of the train from Train Enquiry . com but I find the data provided by the site all the time wrong.
So, why the data is all the time incorrect ? Is the Data Logger System is not installed in these railway divisions ?

4009 views
Aug 19 2011 (6:38PM)
Blog Post# 223360-8     
विश्व नाथ*^   Added by: moderator*^~  Aug 19 2011 (11:30PM)
@Prabhakar Agarwal**: Re# 223360-7
As i have written in case of partial update or No update or good update the system calculates train running according to logged update or preprogrammed update matrix.
For example on DBG-SPJ section Thalwara has data logger on track.

3974 views
Aug 19 2011 (6:53PM)
Blog Post# 223360-9     
Guest: 3e386cfb   Added by: moderator*^~  Aug 19 2011 (11:30PM)
@S K Jain**: Re# 223360-6
The train status is not manual. I did training in S&T dept of railways.. there one engineer showed us how it works.. basically there are sensors after every some kms.. which tell them from where the train is passing and can update the data in system...

4016 views
Aug 19 2011 (6:55PM)
Blog Post# 223360-10     
rangcharylutk*^~   Added by: moderator*^~  Aug 19 2011 (11:30PM)
@Prabhakar Agarwal**: Re# 223360-7
your ramgadh, murri, (one more station with some power plant) are still manual updatons only.i think your ramgadh is full difence area and by road we can ranchi than by train na

3979 views
Aug 19 2011 (7:31PM)
Blog Post# 223360-11     
S K Jain*^~   Added by: moderator*^~  Aug 19 2011 (11:30PM)
@guest: Re# 223360-9
How do those Sensors identify a train?

3933 views
Aug 19 2011 (10:15PM)
Blog Post# 223360-14     
Ranjeet*^   Added by: moderator*^~  Aug 19 2011 (11:30PM)
@विश्व नाथ**: Re# 223360-8
Train 12817 has no stoppage between CNB~ANVT. Train enquiry never able to correctly predict arrival at ANVT of this train. So, I do not think that present system is good enough. It needs GPS system badly.

3875 views
Aug 19 2011 (10:42PM)
Blog Post# 223360-15     
विश्व नाथ*^   Added by: moderator*^~  Aug 19 2011 (11:31PM)
@Ranjeet**: Re# 223360-14
The reason is very clear: After CNB no one feeds info in system.Naturally this has calculates ANVT arrival as per CNB departure but what happens en-route is known to local operating control only.At last it is ANVT who feeds data in NTIS after arrival of train at ANVT.
The NTIS displays train running as per default calculation in absence of manual data logging hence lots of wrong running info are seen commonly..

3844 views
Aug 19 2011 (11:16PM)
Blog Post# 223360-16     
Guest: 7fc34196   Added by: moderator*^~  Aug 19 2011 (11:31PM)
@S K Jain**: Re# 223360-11
Those are like weight sensors.. whenever train passes through them..because of heavy weight it detects train.. and updates in system.. that is how they detect where exactly the train is currently.. and record all data..

3860 views
Aug 19 2011 (11:25PM)
Blog Post# 223360-17     
rdb*^   Added by: moderator*^~  Aug 19 2011 (11:31PM)
@Prabhakar Agarwal**: Re# 223360-0
Please refer to this link for info:-
/faq/post/593
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