Savannah river
Interstate 75 (approximately 355 miles)
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
I believe it is New US 441 By-Pass,also referred to as "Heritage 441".-Double Mvp
Longest interstate highway is I-90.
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.
my long highway
The longest highway is 122.3 miles, but I'm not sure what it's called.
The Pan American Highway
it is the dueniden highway into it
Australia`s Highway 1 is the longest national highway in the world at over 14,500 km (9,000 mi).