Post-Trip Inspection Checklist | FMCSA DVIR Guide

The specific legal requirement is nuanced. Under 49 CFR §396.11, every CMV driver must prepare a written report — the Driver Vehicle Inspection Report (DVIR) — at the completion of each day's work documenting defects discovered during that day. FMCSA Guidance on §396.11 (specifically Question 25) clarifies this does NOT require a separate "post-trip inspection" of the kind described in §396.15; rather, it requires the written report itself covering defects observed during and after operation. Practically, drivers perform a walkaround at end of shift to identify defects, and produce the DVIR from what was found. As of the 2014 FMCSA rule change, property-carrying CMV drivers are NOT required to submit a DVIR when no defects are found — only when defects exist. However, passenger-carrying CMVs (buses, motorcoaches) still require daily DVIRs regardless of defect status. Most safety-conscious fleets require daily post-trip DVIRs on every unit as company policy because the audit-trail and litigation-defense value of consistent no-defect reports far exceeds the two-minute per-driver time cost, particularly with digital DVIR platforms that make submission take under two minutes.

FMCSA specifies 11 minimum categories under 49 CFR §396.11(a)(1) that every DVIR must cover: (1) Service brakes, including trailer brake connections; (2) Parking brake; (3) Steering mechanism; (4) Lighting devices and reflectors — including headlamps, marker lights, brake lights, and turn signals; (5) Tires — condition, tread depth, sidewall integrity; (6) Horn; (7) Windshield wipers; (8) Rear vision mirrors; (9) Coupling devices — including fifth wheel, kingpin, pintle hitch; (10) Wheels and rims; (11) Emergency equipment — including warning triangles, fire extinguisher, spare fuses. These 11 items are harmonized with the pre-trip inspection requirements of §392.7 (updated in the 2014 rulemaking) — drivers cover the same physical checkpoints at both ends of the shift. Any defect affecting safe operation or likely to cause mechanical breakdown must be documented. Beyond the 11 required items, well-run fleets typically extend the checklist to include fluid levels (engine oil, coolant, washer fluid, DEF), cab warning lights and air pressure buildup, exterior body damage and mud flap condition, load securement equipment returned/stowed, and reefer function logs where applicable. The extended items are not federally required but they turn the post-trip DVIR into a maintenance-driving asset instead of just a compliance checkbox.

The DVIR chain of custody is the sequential 3-signature accountability workflow that FMCSA §396.11 and §396.13 collectively create. Signature 1 (Driver A) comes at end of shift when the driver who operated the vehicle completes the post-trip DVIR and signs to document any defects found. Under §396.11(a)(1) this is required at completion of each day's work. Signature 2 (Carrier or Mechanic) comes overnight or before next dispatch when a qualified mechanic or carrier official reviews each defect, performs required repairs, and certifies repair completion on the original DVIR. Under §396.11(a)(3) this signature is required before the vehicle may be dispatched again. Signature 3 (Driver B) comes before next dispatch when the driver about to operate the vehicle reviews the most recent DVIR and signs to acknowledge that they've reviewed the report and confirmed repair status. Under §396.13 this signature is required before operating any vehicle covered by a prior DVIR. The three signatures create a legally binding chain: defect found → repair certified → repair acknowledged → dispatch authorized. Missing any signature breaks the chain and creates FMCSA citation exposure. Under recent CSA scoring changes, "driver-observed" violations from this chain are a distinct scoring category that impacts insurance rates and safety ratings.

Yes. Electronic DVIRs have been permissible under the general electronic records authorization of 49 CFR §390.32 since 2018, but on February 19, 2026, FMCSA published a final rule under docket FMCSA-2025-0115 adding explicit electronic DVIR authorization language to §396.11 and §396.13 — removing all ambiguity for carriers previously hesitant about digital. Under the final rule: all three DVIR signatures (Driver A, mechanic, Driver B) may be captured electronically with timestamps and GPS coordinates and are legally equivalent to wet-ink signatures; DVIRs may be stored electronically and produced digitally during FMCSA audits with no paper record required; the 3-month retention requirement under §396.11(c) applies identically to electronic records; audit-ready retrieval within 48 hours remains the FMCSA expectation. Paper DVIRs remain fully compliant — the final rule authorizes electronic without deprecating paper. However carriers moving to digital consistently report DVIR compliance rates rising from 55-70% under paper to over 95% within the first month of digital rollout, driven by workflow enforcement (can't submit incomplete forms), photo-evidence attachment on critical items, GPS-timestamped signatures, automatic defect routing to maintenance, and instant audit retrieval. The Feb 2026 final rule effectively formalizes what the industry had already been moving toward for six years.

Under 49 CFR §396.11(c), motor carriers must retain the original DVIR, the repair certification, and the next-driver acknowledgment for a minimum of 3 months from the date of the original report. This 90-day retention requirement applies to all three components of the DVIR chain: the initial driver report, the mechanic or carrier repair certification, and the acknowledging signature from the next driver who operated the vehicle. Most safety-conscious fleets extend retention well beyond the FMCSA minimum for two practical reasons: litigation defense (accident lawsuits typically emerge 6-18 months after the incident, and DVIRs from that period become critical evidence), and internal audit (fleet safety reviews benefit from a full year of trailing data to identify recurring defect patterns per unit or per shop). Digital DVIR platforms typically retain records for the life of the fleet by default at zero incremental cost, which eliminates the retention-window compliance risk that paper systems introduce. During DOT audits, compliance officers routinely request DVIRs for specific date ranges within the 90-day window and expect production within 48 hours — a bar paper systems frequently fail (records scattered across office locations, filed by driver rather than by date, or physically inaccessible during audit hours) but digital systems meet trivially through search-and-export functionality.