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The 12507 / 08 Aronai Superfast Express is a Superfast Express train belonging to Indian Railways Northeast Frontier Railway zone that runs between Thiruvananthapuram Central and Silchar in India. It holds the record of 28th longest train service in the world. Initially 12507/08 Aronai Superfast Express ran between Thiruvananthapuram Central and Guwahati. From 21 November 2017, it has been extended to Silchar.[3] After this extension, it is now the longest-running superfast train and the second longest running train in India.12507/08 Aronai Superfast Express travels a total of 3932 Kms.

Thiruvananthapuram Silchar Aronai Superfast Express

Overview
Service type	Superfast Express
First service	January 1984; 38 years ago (1984-01) (Initial run) 1 July 2013; 9 years ago (2013-07-01) (extended to Thiruvananthapuram Central)[1] 21 November 2017; 4 years ago (2017-11-21) (extended to Silchar)[2]
Current operator(s)	Northeast Frontier Railway zone
Route
Termini	Thiruvananthapuram Central Silchar
Stops	12507 / 08 Thiruvananthapuram Central–Silchar Aronai Express.
Distance travelled	3,932 km (2,443 mi)
Average journey time	74 hrs 5min.
Service frequency	Weekly
Train number(s)	12507 / 12508
On-board services
Class(es)	AC 2 tier, AC 3 tier, Sleeper Class, General Unreserved
Seating arrangements	Yes
Sleeping arrangements	Yes
Catering facilities	Pantry car On-board catering E-catering
Baggage facilities	Available
Technical
Rolling stock	ICF coaches
Track gauge	1,676 mm (5 ft 6 in)
Electrification	Partial
Operating speed	55 km/h (34 mph), including halts.
Route map

It was started in 14th April 1987. It operates as train number 12507 from Thiruvananthapuram Central to Silchar and as train number 12508 in the reverse direction serving the 8 states of Assam, West Bengal, Bihar, Jharkhand, Odisha, Andhra Pradesh, Tamil Nadu and Kerala.[4] [5] [6]

Service

The 12508 Silchar–Thiruvananthapuram Central Express covers the distance of 3,932 km (2,443 mi) in 74 hrs 45 mins (52.60 km/hr).

A Siliguri loco shed-based WDM-3A hauls the train from Silchar up to Howrah Junction, handing over to a Howrah-based WAP-4 which powers the train up to Visakhapatnam following which Erode or Arakkonam based WAP-4 takes over until Thiruvananthapuram Central.

Routing

The 12507 / 08 Aronai Superfast Express runs through the following states and railway stations:

ASSAM

1. Silchar (Starts)
2. Badarpur Junction
3. New Haflong
4. Lumding Junction
5. Hojai
6. Guwahati
7. Kamakhya Junction
8. Rangiya Junction
9. Barpeta Road
10. New Bongaigaon Junction
11. Kokrajhar

BIHAR

1. Kishanganj

JHARKHAND

1. Pakur

WEST BENGAL

1. New Alipurduar
2. New Cooch Behar
3. Dhupguri
4. New Jalpaiguri (Siliguri)
5. Malda Town
6. New Farakka Junction
7. Rampurhat
8. Bolpur Shantiniketan
9. Howrah Junction (Kolkata)
10. Santragachi
11. Kharagpur Junction

ORISSA

1. Balasore
2. Bhadrak
3. Jajpur Keonjhar
4. Cuttack Junction
5. Bhubaneswar
6. Khurda Road Junction
7. Balugaon
8. Brahmapur

ANDHRA PRADESH

1. Palasa
2. Srikakulam
3. Vizianagaram Junction
4. Visakhapatnam Junction
5. Rajahmundry
6. Vijayawada Junction
7. Ongole

TAMIL NADU

1. Chennai Central
2. Arakkonam Junction
3. Katpadi Junction
4. Jolarpettai Junction
5. Salem Junction
6. Erode Junction
7. Tirupur
8. Coimbatore Junction

KERALA

1. Palakkad Junction
2. Thrissur
3. Aluva
4. Ernakulam
5. Kottayam
6. Tiruvalla
7. Chengannur
8. Mavelikara
9. Kayamkulam Junction
10. Kollam Junction
11. Thiruvananthapuram Central (Ends)

Note: Bold letters indicates Major Railway Stations/Major Cities. [7]

Train reversal

It reverses direction of travel four times during its journey at following stations

1. Visakhapatnam Junction
2. Howrah Junction
3. Lumding Junction
4. Badarpur Junction
5. Chennai Central

Locomotive

From	To	Loco
Thiruvananthapuram Central	Visakhapatnam Junction	ED/WAP-4
Visakhapatnam Junction	Howrah Junction	SRC/WAP-4 HWH/WAP-4
Howrah Junction	New Jalpaiguri	HWH/WAP-4 HWH/WAP-7
New Jalpaiguri	Silchar	Sguj/WDP4/4B/4D

Coach composition

The 12507 / 08 Thiruvananthapuram Central–Silchar Aronai Superfast Express has 1 AC 2 tier, 4 AC 3 tier, 13 Sleeper Class, 2 General Unreserved, 2 SLR (Seating cum Luggage Rake) & a pantry car coaches.

Loco	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
	SLR	UR	S1	S2	S3	S4	S5	A1	B1	B2	B3	B4	S6	PC	S7	S8	S9	S10	S11	S12	S13	UR	SLR

Gallery

• 
  Thiruvananthapuram Central-bound Guwahati Express spotted at Marripalem, Andhra Pradesh
• 
  Guwahati-bound 12515 (TVC–GHY) Weekly Express spotted at Dankuni, West Bengal

See also

• Longest train services of Indian Railways
• Dibrugarh–Tambaram Express
• Chennai–New Jalpaiguri SF Express
• Guwahati–Bengaluru Cantt. Superfast Express
• New Tinsukia–Bengaluru Weekly Express
• Bangalore Cantonment–Agartala Humsafar Express
• Yesvantpur–Kamakhya AC Superfast Express

References

External links

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