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Embankment Widening Design Guidelines And Construction Procedures, Richard J. Deschamps, Christopher S. Hynes, Philippe L. Bourdeau

JTRP Technical Reports

In recent years failures have occurred in Indiana highway embankments where the embankments were widened and steepened in order to facilitate construction of longer, safer acceleration and deceleration lanes and to increase the traffic capacity and efficiency of existing thoroughfares. The objectives of this study were to investigate the cause of failure and to make recommendations for modifying the existing INDOT Standard Specifications and construction guidelines in an attempt to avoid similar failures in the future. A literature review and survey of state and federal transportation agencies was performed to collect current, available design guidelines and construction procedures for sideslope …