AASHTO LRFD Guide Specifications for Seismic Design of Highway Bridges Roy Imbsen, P.E., Imbsen Consulting, Fair Oaks, CA Overview of the AASHTO Guide Specifications for LRFD Seismic Brige Design Richard A. Pratt, P.E., and Elmer E. Marx, P.E., Alaska Department of Transportation and Public Facilities, Juneau, AK LRFD Shear Provisions - A Plethora of Choices Susan E. Hida, P.E., California Department of Transportation, Sacramento, CA