Multimodal Transportation Division

ADOT Specifications for Mechanically Stabilized Earth Walls Shown below are references to ADOT specifications for MSE wall products that ADOT has reviewed and added to ADOT's Approved Products List (APL). Note: Effective February 8, 2012, new and pending applications for MSE Walls, category C-1, are on-hold. For questions, please email APL@azdot.gov. Allan Block MSE Modular Block Wall System Keystone's KeySystem I Wall System RECO Concrete Panel Faced System SSL MSE Plus Concrete Panel Wall System SSL's MSE Plus Welded Wire Wall System Sundance Redi-Rock MSE Modular Block Wall System Tensar's ARES Wall System Tensar's MESA MSE Modular Block Wall Documents are in PDF format, which requires Adobe Reader to view.