R509 (South Africa)
The R509 is a Regional Route in South Africa. It originates from the N4 in the town of Swartruggens, North West and runs in an east-south-east west-north-west direction. The first town it comes to is Koster, where it crosses the R52 at a staggered intersection. It continues to Derby, where it intersects with the R30. From there the road gives off the southward running R500 before crossing into Gauteng province and reaching the town of Magaliesburg, where it ends at a junction with the R24
