An old dilapidated road pavement that has already exhausted its usable life and is not within the scope of major repairs produces lots of waste material, if not properly reutilised. The old road pavement can be milled to full depth, and its reclaimed material can be used as a base course for low volume roads. This study aims for stabilisation of full-depth reclaimed (FDR) material obtained from an unserviceable old road to be used as a base layer for a low volume road. The strength characteristics of treated base course of reclaimed material with ordinary Portland cement grade 43 and Zycosoil are studied, and the durability and unconfined compressive strength (UCS) tests of the treated base course are conducted in the laboratory. Cement-treated base (CTB) mix using reclaimed bitumen pavement with different percentages of Zycosoil and cement was developed, and a mix design was done for the CTB layer using Indian Specifications IRC:SP:89 (Part II)-2018. In the present study, mix design using 0, 3.0, 3.5, and 4.0% contents of Zycosoil and cement contents of 3.0, 4.0, 5.0, and 6.0% by weight was prepared. During the durability tests, it was observed that the mass loss in wetting–drying cycles of CTB was 4.182%. The mix with 3.5% Zycosoil and 5% cement yields the maximum compressive strength and durability characteristics. The study delves into the latest developments in low volume road construction technology using FDR material.