State Road 39 (Serbia)

State Road 39 is an IB-class road in southeastern Serbia and Kosovo, connecting Pirot, Serbia with Montenegro at Čakor.

Before the new road categorization regulation given in 2013, the route wore the following names: M 9 and P 101 (before 2012) / 27 (after 2012).

The existing route is a main road with two traffic lanes. By the valid Space Plan of the Republic of Serbia, its section of the road is not planned for upgrading to a motorway and is expected to be conditioned in its current state.