Johor State Route J31 (Jawi: ìçÃÂàêààâÃÂàçÃÂàï) is a major road in Johor, Malaysia. The road was built on the former site of the Muar State Railway (MSR) service until 1925. The road is very straight without any bends. There are many parit (canals) along this road.
At most sections, the State Route J31 was built under the JKR R3 road standard, allowing maximum speed limit of up to 60 km/h.