CFR › Title 47 › Part 95 › §95.313147 CFR §95.3131Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkOn-Board Units (OBUs) may transmit signals to other OBUs and to Roadside Units (RSUs), which are authorized under part 90 of this chapter.