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कोशी की जीवन रेखा — मानसी सहरसा रेलखंड - Prabhat Sharan

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Blog Entry# 630763
Posted: Jan 03 2013 (21:10)

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Last Response: Jan 03 2013 (21:17)
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Jan 03 2013 (21:10)   NDLS/New Delhi (16 PFs)
 
Vishwanath
Vishwanath   20299 blog posts
Entry# 630763            Tags  
It is often observed that in Official Railway Maps issued by various zonal railways different classification of sections are mentioned in box chart. This is what railway means:
#ClassificationOfLines :
(1) Broad Gauge – The BG lines have been classified into six Groups ‘A’ to ‘E’ on the basis of
future maximum permissible speeds as under -
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Group ‘A’ - Speeds upto 160kmph
Group ‘B’ - Speeds upto 130 kmph.
Group ‘C’ - Suburban sections of Mumbai, Delhi, Chennai and Kolkata.
Group ‘D’ Spl. - Speeds upto 110kmph and annual traffic density is 20 GMT or more.
Group ‘D’ - Speeds upto 110kmph & annual traffic density is less than 20 GMT.
Group ‘E’ – All other sections and branches lines with speed upto 100 kmph.

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Jan 03 2013 (21:11)
Vishwanath   20299 blog posts
Re# 630763-1              
(2) Metre Gauge – The MG lines have been classified into three categories based on the speed potential and traffic density in the section as under -
(a) ‘Q’ routes – The ‘Q’ routes consist of the routes where the maximum permissible speed will be more than 75 kmph. The traffic density is generally more than 2.5 GMT.
(b) ‘R’ routes – These routes will have a speed potential of 75 kmph and the traffic
density
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more...
is more than 1.5 GMT. ‘R’ routes are further classified into three categories as follows depending upon the volume of traffic carried :
(i) R-1 : when the traffic density is more than 5 GMT
(ii) R-2 : when traffic density is between 2.5 & 5 GMT
(iii) R-3 : when traffic density is between 1.5 & 2.5 GMT
(c) ‘S’ Routes – These will be the routes where the speed potential is less than 75 kmph and the traffic density is less than 1.5 GMT

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Jan 03 2013 (21:17)
JoydeepRoy
JoydeepRoy   14684 blog posts
Re# 630763-2              
thanx a lot...
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