National Route 34
国道34号
Route information
Length	136.5 km[1] (84.8 mi)
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 33 → National Route 35

National Route 34 (国道34号, Kokudō Sanjūyon-gō) is a highway in Japan on the island of Kyūshū which runs from Saga City in Saga Prefecture to Nagasaki in Nagasaki Prefecture. It follows the old Nagasaki Kaidō, a road from the Edo period. About 10% of the route is 4 lanes or more, and the rest is two lanes.^[2]

Route data

• Length: 136.5 km (84.8 mi)
• Origin: Tosu (junction with Route 3)
• Terminus: Nagasaki (terminates at Route 57 and Route 202)
• Major cities: Saga, Takeo, Ōmura, Isahaya

Overlapping sections

• From Saga City (Kokuritsubyōinmae intersection) to Ogi (Gojō intersection): Route 203
• From Ogi (Maemitsue intersection) to Kōhoku (Higashibun intersection): Route 207
• From Isahaya (Obunakoshi Tunnel intersection) to Isahaya Tarami-chō Keya: Route 207
• From Isahaya (Obunakoshi Tunnel intersection) to Nagasaki (Kenchōmae intersection): Route 57
• From Nagasaki (Yagamimachi intersection) to Nagasaki (Kenchōmae intersection): Route 251
• From Nagasaki Ōhashi-chō (Iwayabashi intersection) to Nagasaki (Kenchōmae intersection): Route 206
• From Nagasaki (Takara-chō intersection) to Nagasaki (Kenchōmae intersection): Route 202

Municipalities passed through

• Saga Prefecture
  • Tosu - Miyaki - Kamimine - Yoshinogari - Kanzaki - Saga - Ogi - Kōhoku - Ōmachi - Takeo - Ureshino
• Nagasaki Prefecture
  • Higashisonogi - Ōmura - Isahaya - Nagasaki