The road was originally numbered as the A1, and later the A1000.
The roads are numbered from 100 to 993.
This road was also previously numbered the A14.
The road is also numbered the European route E70.
The inter-provincial roads are also numbered with the national system.
The road is now numbered the D 931.
In August 1925, the road was numbered as Highway 9, alongside the other existing provincial highways.
The road passes a number of war cemeteries and has now been numbered the RD930.
Two other roads have been numbered Utah SR-58 in the past.
In many countries, these roads are numbered to easily tell them apart.
