[2] As a result, the Batu Pahat–Kluang–Mersing Road was completed in 1919,[3] where the section of the Banang Roundabout to Mount Soga Intersection formed a part of the present-day Federal Route 5.

[4] The road was partially upgraded on 2002 with four-lane carriageway from Batu Pahat to Kluang.

On 13 January 2007, the Sungai Semberong bridge at Batu 5, Jalan Kluang–Mersing, collapsed during flash floods.

At most sections, the Federal Route 50 was built under the JKR R5 road standard, with a speed limit of 90 km/h.

There is an alternative road connecting Kahang and Mersing which runs through Felda Nitar.