• Southern Railway was designated as the nodal railway for preparation of DPR for Chennai-Bengaluru (362 km) route by Indian Railways.
The Southern Railway (SR) zone of the Indian Railways has prepared a Detailed Project Report (DPR) for increasing the speed in the Chennai-Bengaluru section to 160 kmph and submitted it to the Railway Board. The Railway Board had given in-principle approval to increase the speed to 160 kmph in eight routes of the Indian Railways network.
Various Zonal Railways were designated as Nodal Railways for preparation of Detail Project Report (DPR). Southern Railway was designated as the nodal railway for preparing the DPR for the Chennai-Bengaluru (362 km) route.
Southern Railway zone has also submitted the 160 kmph Detailed Project Report (DPR) for the Chennai-Gudur, Chennai-Renigunta sections to the Railway Board.
Meanwhile, the Southern Railway in a statement said, "The Chennai-Gudur section (134.3 km), classified as Group A Golden Quadrilateral route, has been authorized to run trains at a speed of 130 kmph." With this, this section became the first section in Southern Railway to be able to handle trains at a speed of 130 kmph."
Prior to the speed upgrade, a series of trial runs were conducted by the Railways and RDSO to assess the fitness of track, traction, signals and rolling stock. And in compliance with all the requirements laid down, the section is now equipped to handle trains at speeds up to 130 kmph.
Also in another related development, Southern Railway is taking steps to increase the maximum allowable speed of trains on major routes in Tamil Nadu.
As part of the systematic and planned efforts to strengthen the track, traction and signaling systems, on increasing the speed of Zone Group A and Golden Quadrilateral-Golden Diagonal (GQ-GD) routes as well as identified Group B routes in Tamil Nadu focuses attention. , Group A and Group B routes are those railway lines in which the speed can be increased to a maximum of 160 kmph and 130 kmph respectively as per railway rules.
Chennai-Renigunta section
In Chennai - Renigunta section (134.78 kms), which falls under Group B, also a golden quadrilateral route, work has already been completed to increase the speed to 130 kmph from the existing 110 kmph. The section is targeted for speed upgradation in the current financial year, subject to approval from the Commissioner of Railway Safety.
Once the speed increase is approved, trains running on these important routes in Tamil Nadu will be operated at higher speed, which will significantly reduce the travel time of passengers.
Other Group-B Routes
Speed raising work is underway on Arakkonam-Jolarpettai, Jolarpettai-Podanur and Chennai-Dindigul sections (Group B route). The maximum permissible speed on these sections is proposed to be increased from the existing 110 kmph to 130 kmph. Notably, in the Arakkonam - Jolarpettai (144.54 km) section, the target date for completion of speed raising works has now been extended to March 2023 as this critical section handles premium trains like Vande Bharat and Shatabdi trains.
Increase the speed to 110 kmph
During the current year 2022-23 and so far, various infrastructure upgradation works have been completed and the maximum permissible speed has been increased to 110 kmph in the sections of Vriddhachalam - Salem 80 kmph, Thanjavur - Ponmalai 100 km per hour, Villupuram - Katpadi 50 kmph -80 kmph, Nagercoil - Tirunelveli 100 kmph, Villupuram - Puducherry 100 kmph, Thanjavur - Karaikal 50-90 kmph, Coimbatore North - Mettupalayam 90 kmph.
Maximum permissible speed to be increased to 110 kmph in sections of Arakkonam-Chengalpattu (75/90 kmph*), Tirunelveli-Tiruchendur (70 kmph*), Tambaram-Chengalpattu (100 kmph) during remaining period of 2022-23 There is a proposal to increase it to hourly. *), Tirunelveli - Tenkasi (70 kmph*), Salem - Karur - Namakkal (100 kmph*), Cuddalore Port - Vriddhachalam (60/75), Dindigul - Pollachi (100 kmph*) and Madurai - Wanchimaniyachhi (100 kmph*) section.
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