LRFD Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals, 1st Edition, 2020 Interim Revisions Amendment by American Association of State and Highway Transportation Officials, 2020
The 2020 Interim Revisions contain updated information to the LRFD Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals, 1st Edition. It is necessary to have this and the 2017, 2018 and 2019 interims to have all current specification information.
