These are multiple landslides caused by unscientific road cuts all along the highway near Sonda Cross.  The slopes have been steeply cut, and there is thick vegetation, including big trees on the upper slope, which adds to head load.
  Neena Vaman, K. V., and  Bhat, A. A., 2020.Macro-scale (1:50,000) Landslide susceptibility mapping in parts of Toposheet nos. 48I12, 48I16, 48J14 and 48J14, Uttar Kannada and Shimoga i district, Karnataka. Unpublished GSI report.
Slope to be benched to reduce the gradient along with plantation on the slope
Near Sonda Cross
Near Sonda Cross
Slope to be benched to reduce the gradient along with plantation on the slope
vertical road cut failure