The tunnel connects Mewat and Gurugram districts of Haryana and negotiates a steep gradient on the uphill and downhill slope of the Aravali range.
This will be world՚s first electrified rail tunnel fit to run double-stack containers.
The work of the tunnel has been completed in less than a year՚s time.
One end of the tunnel is near Rewari and is called Portal-1 while the other end of the tunnel at Dadri is designated as Portal-2 or east portal.
Tunneling work has been done systematically and in a planned manner from both the ends by deploying high-tech man and machinery.
There is a total of six tunnels in both the Eastern and Western Dedicated Freight.
In WDFC there are - 1 km long Sohna Tunnel, the 320-meter-long Vesai Detour North Tunnel, and the 430-meter-long Vesai Detour South Tunnel.
In EDFC there are 3 tunnels measuring 150-meter, 475 meter and 300 meters.
Despite the coronavirus pandemic, work is progressing at a fast pace and resolute pace in DFCCIL.
The Eastern and Western DFC is slated for completion in June 2022.
Geologically this tunnel is safe and stable.
It has been carved out of 2500 to 500 million-year-old Proterozoic Rocks Quartzite, Schists, and slates of Alwar⟋Azabgarh groups of Delhi Supergroup rocks which have high bearing capacity.
Double stack containers and 25-ton axle load freight trains will run through this tunnel at a speed of 100 kmph.