In accordance with the May 21, 2012 memo, "Roadside Safety Hardware - Federal-Aid Reimbursement Eligibility Process," TxDOT certifies that all traffic and combination railings included in Appendix A, "Acceptable Bridge Railing in Texas," of this Manual have been crash-tested by an accredited test facility and meets MASH criteria; or evaluated to be equal to a crash-tested railing, as stated herein. These bridge railings are eligible for federal-aid reimbursement.