• A total of 2824 Kms (including Up &Down Lines)over South Central Railway Zone is now fit to run at 130 Kmph speed.
• The enhanced speed limits could be achieved due to the systematic and planned strengthening of track & its infrastructure by removing bottlenecks in these sections on a fast pace.
  
• This included heavier rails, laying of 260 meters Long welded rail panels, improvement of curves and gradients among others.
• Golden Quadrilateral connects the four major metro cities namely Delhi, Kolkata, Mumbai and Chennai.  

South Central Railway zone has received sanction to enhance the maximum speed limits to 130 kmph along the following routes:

• Ballarshah to Kazipet              – 234 Rkm
• Kazipet-Vijayawada-Gudur   – 510 Rkm

• Renigunta to Gooty    - 281 Rkm
• Gooty to Wadi            -  255Rkm