The ambitious Delhi-Guwahati bullet train project, recently approved by Prime Minister Narendra Modi, faces a significant engineering hurdle: navigating the 'Chicken's Neck' corridor. Assam Chief Minister Himanta Biswa Sarma indicated on Tuesday that the high-speed rail line would likely need to run either underground or on elevated tracks through this crucial, narrow strip of land.
Overcoming the 'Chicken's Neck' Challenge
The Siliguri Corridor, colloquially known as the 'Chicken's Neck', is a vital connection between India's northeastern states and the rest of the country. Measuring approximately 22 kilometers wide, and narrowing to just 16 kilometers in certain sections, the corridor is already saturated with existing national highways and railway lines. Constructing a dedicated high-speed rail track presents a complex challenge that necessitates innovative solutions.
Chief Minister Sarma highlighted the strategic importance and engineering complexities involved. He stated that the project's unique requirements for traversing this challenging terrain could escalate investment costs to two or three times the usual expenditure for similar rail projects. Despite the financial implications, the approval marks a significant step forward for connecting Guwahati to India's high-speed rail network.
Project Approval and Future Steps
While the Delhi-Guwahati bullet train line has received initial approval, its final alignment and detailed engineering requirements are still being meticulously worked out. Sarma confirmed that he plans to meet with Railway Minister Ashwini Vaishnaw in Delhi to discuss these technical specifics, including whether the 'Chicken's Neck' will be crossed via tunnels or elevated structures.
The Chief Minister emphasized that bullet trains cannot operate on existing railway infrastructure, necessitating a completely separate, dedicated high-speed corridor. This requirement further underscores the monumental scale of the project, especially when considering the limited land availability in the narrow Siliguri Corridor.
The Proposed North Corridor Route
Railway Minister Ashwini Vaishnaw had previously announced the Prime Minister's approval for the North Corridor of the bullet train network. This expansive route is planned to link major cities including Delhi, Agra, Kanpur, Lucknow, Ayodhya, Varanasi, Prayagraj, Patna, and Siliguri, before extending eastward to Guwahati. The decision to extend the network beyond Siliguri to Guwahati was described by Sarma as a 'very remarkable, bold and courageous' move, acknowledging the initial reservations about feasibility due to the 'Chicken's Neck'.
With surveys and detailed planning now underway, the Delhi-Guwahati bullet train project promises to revolutionize connectivity for India's northeastern region, albeit with significant engineering and financial investments required to overcome its unique geographical challenges.