Which of the following is the longest railway tunnel of Pakistan?

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Which of the following is the longest railway tunnel of Pakistan? Answer: Khojak

The Khojak Tunnel, also known as the Shela Bagh Tunnel, is the longest railway tunnel in Pakistan, with a length of approximately 3.91 kilometers (2.43 miles). It was constructed by the British in 1891 under the Khojak Pass in the Qilla Abdullah District of Balochistan province.

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