Deltrobase construction the plant, capability and manpower for the construction of high quality provincial and national roads. In South Africa, roads are classified into A, B, C and D and defined as follows.

Major inter urban freeways and major rural road, very important high level of service, with 95% design rehabilitee and very low risk; with daily traffic>4000; typical pavement class ESIO ESIOO; Total E80/lane 3 - 100 x 106 over 20 years.