Japan National Route 291

National Route 291
国道291号
Route information
Length161.6 km (100.4 mi)
Location
CountryJapan
Highway system
National Route 290 National Route 292

National Route 291 is a national highway of Japan connecting Maebashi, Gunma and Kashiwazaki, Niigata in Japan, with a total length of 161.6 km (100.41 mi).

The route consists of the Nakayama Tunnel, a vehicular tunnel, replacing the former Nakayama Tunnel.