J. Hall, K.L. Smith, L. Titus-Glover, J.C. Wambold, T.J. Yager, Z. Rado, Guide for pavement friction, Final Report for NCHRP Project, 1 (2009) 43.
 S. Li, K. Zhu, S. Noureldin, D. Harris, Identifying friction variations with the standard smooth tire for network pavement inventory friction testing, Transportation research record, 1905(1) (2005) 157-165.
 G.R. Dewey, A.C. Robords, B.T. Armour, R.Muethel, Aggregate wear and pavement friction, in: Transportation Research Board, Annual Meeting CDROM, 17p, 2001.
 D.A. Noyce, H.U. Bahia, J.M. Yambo, G. Kim, Incorporating road safety into pavement management: maximizing asphalt pavement surface friction for road safety improvements, Draft Literature Review and State Surveys, Midwest Regional University Transportation Center (UMTRI), Madison, Wisconsin, (2005).
 E. Masad, A. Rezaei, A. Chowdhury, P. Harris, Predicting asphalt mixture skid resistance based on aggregate characteristics, Texas. Dept. of Transportation. Research and Technology Implementation Office, 2008.
 P.M. Gandhi, B. Colucci, S.P. Gandhi, Polishing of aggregates and wet-weather accident rates for flexible pavements, Transportation Research Record, (1300) (1991).
 C.-G. Wallman, H. Åström, Friction measurement methods and the correlation between road friction and traffic safety: A literature review, Statens väg-och transportforskningsinstitut, 2001.
 B. Sengoz, A. Topal, S. Tanyel, Comparison of pavement surface texture determination by sand patch test and 3D laser scanning, Periodica Polytechnica Civil Engineering, 56(1) (2012) 73-78.
A. El Gendy, A. Shalaby, M. Saleh, G.W. Flintsch, Stereo-vision applications to reconstruct the 3D texture of pavement surface, International Journal of Pavement Engineering, 12(03) (2011) 263-273.
 E. Masad, A. Rezaei, A. Chowdhury, T.J. Freeman, Field evaluation of asphalt mixture skid resistance and its relationship to aggregate characteristics, Texas Transportation Institute, 2010.
J.N. Meegoda, S. Gao, S. Liu, N.C. Gephart, Pavement texture from high-speed laser for pavement management system, International Journal of Pavement Engineering, 14(8) (2013) 697-705.
 H. Zelelew, A. Papagiannakis, E. de León Izeppi, Pavement macro-texture analysis using wavelets, International Journal of Pavement Engineering, 14(8) (2013) 725-735.
 W. Wang, X. Yan, H. Huang, X. Chu, M. Abdel-Aty, Design and verification of a laser based device for pavement macrotexture measurement, Transportation Research Part C: Emerging Technologies, 19(4) (2011) 682-694.
 B. Mataei, H. Zakeri, M. Zahedi, F.M. Nejad, Pavement friction and skid resistance measurement methods: A literature review, Open Journal of Civil Engineering, 6(04) (2016) 537.
 R. Elunai, V. Chandran, P. Mabukwa, Digital image processing techniques for pavement macro-texture analysis, in: Proceedings of the 24th ARRB Conference: Building on 50 Years of Road and Transport Research:, ARRB Group, 2010, pp. 1-5.
 R. Elunai, V. Chandran, E. Gallagher, Asphalt concrete surfaces macrotexture determination from still images, IEEE transactions on intelligent transportation systems, 12(3) (2011) 857-869.
 A. Cigada, F. Mancosu, S. Manzoni, E. Zappa, Lasertriangulation device for in-line measurement of road texture at medium and high speed, Mechanical Systems and Signal Processing, 24(7) (2010) 2225-2234.
 E.D. de Leon Izeppi, G.W. Flintsch, M. Saleh, K.K. McGhee, Area-based macrotexture measurements: stereo vision approach, 2009.
 S.N. Goodman, Y. Hassan, O. Abd El Halim, Digital Sand Patch Test: Use of Digital Image Analysis for Measurement of Pavement Macrotexture, 2010.
 B. Mataei, H. Zakeri, and F.M. Nejad, Automatic, Evaluation of pavement surface drainage using image processing, 10th bitumen, asphalt and Machinery Conference, (2017) in Persian.
 R.C. Gonzalez, R.E. Woods, S.L. Eddins, Digital image processing using MATLAB, Pearson Education India, 2004.