# T2-improper-lane-change-noncmv-third — FMCSA commercial driver disqualification offenses and periods For T2-improper-lane-change-noncmv-third, table is Table 2 (serious violations); offense is Making improper or erratic traffic lane changes; vehicle type at time of offense is non-CMV; occurrence is third or subsequent; disqualification period is 120 days, recorded from its source on 2026-08-17. - **Offense ID:** T2-improper-lane-change-noncmv-third _(our reading, not quoted from the source)_ - **Table:** Table 2 (serious violations) _(our reading, not quoted from the source)_ - **Offense:** Making improper or erratic traffic lane changes _(verified: appears in the quote below)_ - **Vehicle type at time of offense:** non-CMV _(our reading, not quoted from the source)_ - **Occurrence:** third or subsequent _(our reading, not quoted from the source)_ - **Disqualification period:** 120 days _(verified: appears in the quote below)_ - **CFR citation:** 49 CFR 383.51(c)(3) _(our reading, not quoted from the source)_ - **Reinstatement eligible:** n/a _(our reading, not quoted from the source)_ ## What the source says > (3) Making improper or erratic traffic lane changes | 60 days | 60 days | 120 days | 120 days. ## Source - https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-383/subpart-D/section-383.51 Last verified: 2026-08-17. Review by: 2027-08-17. Part of [FMCSA commercial driver disqualification offenses and periods](https://referencesource.org/cdl-disqualification-offenses-and-periods/).