State Road 124 (Serbia)

State Road 124, is an IIA-class road in northern Serbia, connecting Sremska Mitrovica with Šabac. It is located in Vojvodina and Šumadija and Western Serbia regions.

Before the new road categorization regulation given in 2013, the route did not wear any names.

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