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Pavement Interactive > LEF

LEF

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Load Equivalency Factor. The output from the ESAL equation. This factor relates various axle load combinations to the standard 80 kN (18,000 lb.) single axle load.

Related Articles:
  • Heavy Lifting-Estimating Roadway Loading
  • 1993 AASHTO Flexible Pavement Structural Design
  • Rigid Pavement ESAL Equation
  • Equivalent Single Axle Load

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Pavement Interactive was developed by the Pavement Tools Consortium, a partnership between several state DOTs, the FHWA, and the University of Washington, as part of their effort to further develop and use computer-based pavement tools.