The 2010 interim contains replacement pages to the Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals, 5th Edition, 2009 (see related item), and is necessary to have all current specification information.
AASHTO LTS-5-I1
Original price was: $196.00.$98.00Current price is: $98.00.
Standard Specifications for Structural Supports of Highway Signs, Luminaires, and Traffic Signals, 2010 Interim Revisions
American Association of State Highway and Transportation Officials , 2010