The shortest national highway in India is NH64. It is in Haryana
and covers 0.5 km from Dabwali to Punjab border.
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The longest road in India is the National Highway 7.
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National Highway-7 is a major North-South Highway from Varanasi
to Kanyakumari; runs through the States of Uttar Pradesh, Madhya
Pradesh, Maharashtra, Andhra Pradesh, and Tamilnadu of India.