Jungbu Naeryuk Expressway Branch

The Jungbu Naeryuk Expressway Branch is an expressway in South Korea, connecting Dalseong to Buk District, Daegu (30 km). It is numbered 451 and was formerly named the Guma Expressway (구마고속도로).

Originally, this route was called Daegu–Masan section (86.4 km). Due to a reform of Korean expressway route numbers in August 2001, the Masan–Hyeonpung JCT section was incorporated into the Jungbu Naeryuk Expressway.

In 2008, the Guma Expressway changed its name to Jungbu Naeryuk Expressway Branch.

Lanes

 * Hyeonpung–Okpo: 4 Lanes
 * South Daegu–West Daegu: 6 Lanes
 * Hwawon Okpo–South Daegu, West Daegu–Geumho: 8 Lanes
 * Okpo–Hwawon Okpo: 10 Lanes

Lengths

 * 30.0 km

Speed limit

 * 100 km/h

List of facilities

 * IC: Interchange, JC: Junction, SA: Service Area, TG:Tollgate