The Haryana Rail Infrastructure Development Corporation (HRIDC) has announced plans to construct a double tunnel through the Aravalis, connecting Sohna and Nuh.

The tunnels, measuring 4.7km long, will accommodate double-decker goods and passenger trains, as part of the Haryana Orbital Rail Corridor (HORC). The orbital rail corridor will be built along the Kundli-Manesar-Palwal (KMP) Expressway.

This will be the country's first railway tunnel for double-decker trains and will connect to the rest of the corridor via a 3.5km long and 25-metre high viaduct.

Rajesh Agarwal, managing director of HRIDC, stated that the twin tunnels and viaduct present complex engineering challenges given their location in the Aravalis. "Only after determining all the technical parameters, tenders will be invited for them by the end of this year. The work is expected to be completed by 2026," he said, reports Times of India

Recently, HRIDC officials and members of the railway board met to discuss what engineering modes and technology will be used for constructing the double tunnel and viaduct, and the possible challenges that may emerge during the construction work.

The Haryana government and the Ministry of Railways have jointly initiated the rail corridor project, which was approved by the state cabinet in July 2019.

The Cabinet Committee on Economic Affairs, chaired by the Prime Minister, gave its approval in September 2020. The Ministry of Railways sanctioned work on the semi-high-speed line for double-stack container freight operations between Palwal and Sonipat.

The rail corridor will primarily cater to the industrial centres of South Haryana such as Manesar and Sohna, as well as Kharkhoda in Sonipat, which is the automobile hub of the future with Maruti setting up its new manufacturing plant there.

Sohna will be a significant junction for transport operations because the orbital rail will intersect with the Dedicated Freight Corridor (DFC) here. Passenger trains operating on the corridor can have a maximum speed of 160 kmph, while freight trains can travel at a speed of 100 kmph.

"The track will be suitable for the operation of trains like the Vande Bharat Express," said Agarwal.

Decongesting NCR

HORC is a new electrified double broad-gauge (BG) rail line connecting Harsana Kalan (Sonipat) and Asaoti (Palwal) in Haryana through 17 stations along the Kundli-Manesar-Palwal (KMP)/Western Peripheral Expressway.

The rail corridor proposes to decongest the NCR by diverting rail traffic not headed to the national capital, developing multi-modal logistic hubs to facilitate the shifting of goods sheds from Delhi, and running a Shatabdi-like train from Gurgaon to Chandigarh, bypassing Delhi.

Twin-Tunnel

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