Geometric design of haul roads covers aspects such as crossfalls, curvature, vertical and horizontal alignments, berms, drains, intersections, switchbacks, culverts etc.
Here are some key references:
Atkinson, T. and Walton, G. 1983 Design and Layout of Haul Roads for Surface Mines. Surface Mining and Quarrying – Institute of Mining and Metallurgy Surface Mining Symposium. Bristol. pp 139-149
Collins, J. L. Fytas, K. and Singhal, R. K. 1986. Design, Construction and Maintenance of Surface Mine Haulage Roads. Proceedings of the International Symposium on Geotechnical Stability in Surface Mining, Calgary, Alberta. Pp 39-49
Kaufman, W.W. and Ault, J.C. 1977. The design of surface mine haul roads a manual. USDOI Information circular 8758.
Tannant, D. and Regensburg, B. 2001. Guidelines for mine haul road design. School of Mining and Petroleum Engineering, University of Alberta, Edmonton, Canada.
Taylor, P.F. and Hurry, P.A. 1986. Design, Construction and Maintenance of Haul Roads. The Planning and Operation of Open-Pit and Strip Mines. Ed Deetlefs, J.P., SAIMM. pp 139-149.
Thompson, R.J. 1996. The design and maintenance of surface mine haul roads. PhD Thesis, University of Pretoria, South Africa.
Thompson, R.J. and Visser, A.T. 2008. Mine haul road construction and operating best practices for cost-efficient truck haulage. CD-ROM. IBRC Conference on Mine Haulage. Brisbane, Australia, Nov. 26-28.
Thompson, RJ. 2011. Design, construction and management of haul roads. In: SME Mining Engineering Handbook. Ed. Darling. Society for Mining, Metallurgy and Exploration, INC (SME), Lyttelton, Co. USA., pp957-976
USBM. 1977. The Design of Surface Mine Haul Roads – A Manual. USDOI Bureau of Mines IC 8758.