Work to evaluate the effectiveness of innovative geotechnical repair techniques for slopes has been commissioned by Highways England. The techniques evaluated are the planting of live willow poles, Fibre Reinforced soil (FRS) and Electrokinetic Geosynthetics (EKG). These techniques were used in place of conventional slope stabilisation approaches in order to reduce the overall impact of various challenges including environmental constraints (habitat and visual), access and utility constraints, and the need to reduce the scale and/or cost of traffic management and traffic delays.The effectiveness of each technique has been assessed, in separate reports, on the basis of trials conducted over the last 20 years. In this report the generic lessons regarding the planning, design and execution of such trials are brought together. These generic lessons have been derived from the detailed assessment of 12 trials and practical applications of the innovative repair techniques. The full report is available from the Transport Research Laboratory at https://trl.co.uk/sites/default/files/PPR%20891%20Innovative%20Geotechnical%20Repair%20Techniques%20-%20Future%20Trials.pdf
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