Index Properties and Shear Strength Characteristics of Sub-Grade Soil Along Mariam-Awa Road, Southwest Nigeria (S. A. Ishola, T. O. Hamid, C. O. Ogunkoya, T. J. Aluko, O. E. Ogungbade, G. M. Folarin, O. O. Adeleke, H. I. Kuforiji, S. T. Olufemi, & F. O. Oshinowo, Trans.). (2026). Nigerian Journal of Applied Physics, 2(1), 78-109. https://doi.org/10.62292/njap-v2i1-2026-39