71b
The longest highway in the Philippines is the Pan-Philippine Highway (aka Maharlika Highway).
I 90 is the longest highway in the u.s.a
Rajasthan
21
I think its BANAS river is the longest in Rajasthan.
Longest interstate highway is I-90.
Rajasthan is the longest state of India. There are 29 states in India.
RAJASTHAN
The longest state highway in Nebraska is Route 92.
The longest state highway in NJ is Route 47.
Tennessee Route 1 is the longest highway which is 866km long.