| Howrah–Prayagraj–Mumbai line | 
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| Jabalpur Junction an important railway station on Howrah–Prayagraj–Mumbai line | 
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| Status | Operational | 
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| Owner | Indian Railways | 
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| Locale | West Bengal, Jharkhand, Bihar, Uttar Pradesh, Madhya Pradesh, Maharashtra
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| Termini |  | 
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| Website |  | 
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| System | Fully electrified | 
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| Operator(s) | Eastern Railway, East Central Railway, North Central Railway, West Central Railway, Central Railway | 
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| Depot(s) | Kalyan Junction railway station, Bhusawal, Itarsi Junction railway station, Katni | 
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| Opened | 1870 | 
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| Line length | Since 2004 2,160 km (1,342 mi). Before 2004 2,146 km (1,333 mi) | 
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| Number of tracks | 4 in Bardhaman–Asansol section & Kalyan–Mumbai CST section 3 in Howrah–Bardhaman chord, Gaya–Pandit Deen Dayal Upadhyaya Junction section, Pandit Deen Dayal Upadhyaya Junction-Prayagraj section & Bhusawal–Kalyan section
 2 in Asansol–Gaya section, Prayagraj–Jabalpur section & Jabalpur–Bhusaval section
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| Track gauge | 1,676 mm (5 ft 6 in) | 
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| Electrification | Fully electrified | 
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| Operating speed | up to 130 km/h (81 mph) | 
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| Highest elevation | Lowest at Howrah 8 metres (26 ft) (approx). Highest at Thull Ghats 1,849 feet (564 m) (approx) | 
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|  |  |  | km |  |   
|  |  | 
 | 2,177 | Mumbai CST |   
|  |  | 
 |  |  |   
|  |  | 
 | 2,168 | Dadar |   
|  |  | 
 |  | Kurla |   
|  |  | 
 
 |  | Lokmanya Tilak Terminus |   
|  |  | 
 | 2,124 | Kalyan Junction |   
|  |  | 
 | 1,990 | Nasik Road |   
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 | 1,917 | Manmad Junction |   
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 |  |  |   
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 | 1,733 | Bhusaval Junction |   
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 |  |  |   
|  |  | 
 |  |  |   
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 |  | to Akola |   
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 | 1,609 | Khandwa Junction |   
|  |  | 
 
 |  | to Ujjain |   
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 |  |  |   
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 | 1,426 | Itarsi Junction |   
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 |  |  |   
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 |  |  |   
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 |  | to Nainpur |   
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 |  |  |   
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 | 1,180 | Jabalpur Junction |   
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 |  | to Guna |   
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 | 1,090 | Katni Junction |   
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 |  |  |   
|  |  | 
 |  |  |   
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 | 991 | Satna |   
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 |  |  |   
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 |  |  |   
|  |  | 
 
 | 821 | Prayagraj (Allahabad) |   
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 |  |  |   
|  |  | 
 
 |  | Naini |   
|  |  | 
 
 |  |  |   
|  |  | 
 |  | Chheoki |   
|  |  | 
 |  | to Varanasi |   
|  |  | 
 | 661 | Mughalsarai |   
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 |  |  |   
|  |  | 
 |  |  |   
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 |  |  |   
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 |  |  |   
|  |  | 
 |  |  |   
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 | 458 | Gaya Junction |   
|  |  | 
 
 |  |  |   
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 |  |  |   
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 |  |  |   
|  |  | 
 |  |  |   
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 |  |  |   
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 | 259 | Dhanbad Junction |   
|  |  | 
 
 |  |  |   
|  |  | 
 |  |  |   
|  |  | 
 |  |  |   
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 | 95 | Barddhaman |   
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 |  |  |   
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 | 0 | Howrah Junction |   
|  |  |  | km |  |  
| Source: Indian Railway Time Table |  
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The Howrah–Prayagraj–Mumbai line, (formerly known as Howrah–Allahabad–Mumbai line)  is a railway line connecting Kolkata and Mumbai via Prayagraj (formerly Allahabad). The 2,160-kilometre long (1,340 mi) railway line was opened to traffic in 1870. This railway line was 2,146-kilometre long (1,333 mi) until 2004. In 2004 the construction of Indira Sagar Dam submerged the old alignment near Khandwa & a new alignment of 14-kilometre long (8.7 mi) was relaid.