Cantilever Overhead Sign Program, v5.1, is used to design and analyze steel cantilever sign truss structures and their foundations in accordance with the 1994 AASHTO Signs, Lights and Signals Specification. See 2001 AASHTO windspeed notice. Cantilever Sign Program v5.1 and Span Sign Program v5.1 use AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals - 2nd Ed. 1994.
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