Will 178.703B put my truck out of service?
No. A 178.703B citation does not result in an out-of-service (OOS) order. Across our inspection records, the 0.0% OOS rate for this code means every truck cited for IBC additional markings violations remained in service. This is well below the all-FMCSR average OOS rate of 31.4%. You can continue operating while addressing the violation.