Its shape closely parallels the northern bank of the Han River and is heavily fortified with barbed wire and military observatories.

This route connects Seoul (Gayang Bridge), Goyang (Ilsan) to Paju (Munsan, Panmunjeom), with a total length of 49.976 km (31.054 mi).

49.976 km (31.054 mi) The highway is also notable for its variant of the vanishing hitchhiker called the Jayuro Ghost.

The area frequently experiences foggy weather and thus has a high rate of automobile collisions.

The Dark Side of Seoul Podcast released a video episode about this urban legend and other road-related Korean folklore.