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