Section 290-RICR-20-00-3.2 - Incorporated MaterialsA. These regulations hereby adopt and incorporate by reference the "Manual on Uniform Traffic Control Devices" (2009) published by the Federal Highway Administration ( 23 C.F.R. Part 655, Subpart F), not including any further editions or amendments thereof and only to the extent that the provisions therein are not inconsistent with these regulations. B. These regulations hereby adopt and incorporate by reference the Institute of Traffic Engineers' "Traffic Engineering Handbook" (2016), not including any further editions or amendments thereof and only to the extent that the provisions therein are not inconsistent with these regulations.290 R.I. Code R. 290-RICR-20-00-3.2