KeySteel® SQ FT - KeySystem™ I
KeySteel SQ FT Panel System is a high performance retaining wall system designed specifically for use with transportation and high load applications. This product combines Keystone concrete units and inextensible steel soil reinforcement. KeySteel has been evaluated by HITEC (CERF report #40478) and found to be in accordance with the high standards of the AASHTO bridge specification manual. This systems is also known as KeySystem I in some markets.