This issue contains 13 papers concerned with geology and properties of earth materials. Specific topics discussed include the following: data quality assessments for manual pavement condition surveys; success factors of fish passageways; life-cycle assessment of pavement reconstruction options; detecting voids under pavements; model for resilient response of soils resulting from seasonal changes; effect of climate in mechanistic-empirical pavement design predictions; maintenance strategies to mitigate bridge end damage from water intrusion; genetic algorithm and curve-shifting methodology for predicting subgrade resilient modulus; storm water runoff sediment control devices performance evaluation; effect of nondurable material on embankment settlement; repair of highway embankment failure with tire-derived aggregate; expanded polystyrene block geofoam in slope stabilization and repair; and laboratory measurement of diffusion coefficients for unsaturated soil drying and wetting.