The monograph presents the theoretical foundations, methods, and practical approaches to processing ground-penetrating radar (GPR) survey data for solving the problem of defectoscopy in flexible pavement, considered as a plane-layered structurally heterogeneous medium, and for further evaluation of its condition.The methods for assessing the structural reliability and risk of failure of flexible pavement based on GPR diagnostics involve incorporating GPR survey results into the calculations of the stress-strain state of the structure while accounting for its structural heterogeneity. This...