The southern third of the highway bisects the densely populated Krayot area and frequently experienced heavy traffic congestion until Highway 22, a bypass freeway located several kilometers to the east of Highway 4 was constructed in the early 2010s.
The southern third of the highway bisects the densely populated Krayot area and frequently experiences heavy traffic congestion until Highway 22, a bypass freeway located several kilometers to the east of Highway 4, was built in the early 2010s.