Correct Answer - Option 1 : Alwar
The correct answer is Alwar.
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NH 15 is the longest highway in Rajasthan with an 875 km length.
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NH 71B is the smallest highway with a 5 km long stretch only, passing through only the Alwar district of Rajasthan.
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NH 3 passes through the Dholpur district of Rajasthan. It has 28.29 km in length in Rajasthan. (2nd smallest in Rajasthan)
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NH 11B has a 185 km length in Rajasthan passing through Dausa, Sawai Madhopur, Karauli, and Dholpur district of Rajasthan.
- State highways length: 15517.51 km. (economic survey 2019)
- National highways length: 10599.67 km. (economic survey 2019)