Okla. Admin. Code § tit. 380, ch. 50, app ADownload PDFCurrent through Vol. 42, No. 8, January 2, 2025Appendix A - Vehicle Warning SignsClick to View Image Okla. Admin. Code tit. 380, ch. 50, app AAdopted by Oklahoma Register, Volume 34, Issue 24, September 1, 2017, eff. 9/15/2017