393.60D — Glazing/window obstructions
FMCSA violation code under Vehicle Maintenance. 39,062 events recorded in roadside inspections. Severity weight: 4.
Violation Description
Glazing (windshield and windows) on CMV is cracked, discolored, or obstructed to the extent that visibility is reduced.
About This Violation Code
Code 393.60D falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 4 (scale 1-10, higher = more severe).
When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.
Regulatory Reference
Federal Motor Carrier Safety Regulations
This violation references 49 CFR 393.60D in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 393.60D is most commonly cited (last 180 days)
Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.
Citation Trend (12 months)
Monthly count of 393.60D citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 393.60D most often (last 180 days)
Often Cited Together
Other violations commonly found on the same inspection (last 90 days)
Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).
Top Carriers Cited
Ranked by frequency • 28,373 carriers total • Page 1 of 1135
Top Carriers with 393.60D Violations
Showing 25 of 28,373
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | EVANS DELIVERY COMPANY INC | 38111 | 61 |
| #2 | SUPLICIUM TRANSPORT LLC | 4381255 | 35 |
| #3 | AUTO HAUL EXPRESS LLC | 4329325 | 29 |
| #4 | TRANSPORT INDIANA LLC | 3057791 | 25 |
| #5 | UNITED RENTALS NORTH AMERICA INC | 899748 | 24 |
| #6 | ASV XPRESS LLC | 4389301 | 23 |
| #7 | HORIZEN LLC | 4400234 | 23 |
| #8 | SAKARA LLC | 4429530 | 21 |
| #9 | HAULDEX LLC | 4489350 | 20 |
| #10 | NEW PRIME INC | 3706 | 19 |
| #11 | MYSTIC TRANSPORTS LLC | 3945031 | 19 |
| #12 | GOLD STALLION SERVICES CORP | 3416800 | 18 |
| #13 | GOLLA GROUP LLC | 4514820 | 17 |
| #14 | AGGREGATE HAULERS I L P | 1021485 | 17 |
| #15 | ANGELINA DEL TORO | 4162386 | 16 |
| #16 | SWIFT TRANSPORTATION CO OF ARIZONA LLC | 54283 | 16 |
| #17 | CASTLE MOUNTAIN HOTSHOT SERVICE LLC | 4197581 | 16 |
| #18 | J B HUNT TRANSPORT INC | 80806 | 16 |
| #19 | BAM TRUCKING LLC | 2727899 | 16 |
| #20 | J&L INDUSTRIES LLC | 3444532 | 15 |
| #21 | NORMED LLC | 4129983 | 14 |
| #22 | ACME TRUCK LINE INC | 52767 | 14 |
| #23 | BENNETT MOTOR EXPRESS LLC | 92693 | 14 |
| #24 | BENNETT TRUCK TRANSPORT LLC | 600382 | 14 |
| #25 | STG DRAYAGE LLC | 688143 | 13 |
Recent Inspections
Latest inspections where 393.60D was cited • 39,062 total events • Page 1 of 1563
Recent Inspections with 393.60D
Showing 25 of 39,062
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Apr 3, 2026 | 87485349 | LA | Level 2 | No |
| Apr 3, 2026 | 87485479 | LA | Level 2 | No |
| Apr 3, 2026 | 87485065 | PA | Level 2 | No |
| Apr 3, 2026 | 87485191 | AL | Level 2 | No |
| Apr 2, 2026 | 87484113 | LA | Level 2 | No |
| Apr 2, 2026 | 87475515 | AL | Level 2 | No |
| Apr 2, 2026 | 87475880 | LA | Level 2 | No |
| Apr 2, 2026 | 87474401 | SC | Level 2 | No |
| Apr 2, 2026 | 87476224 | AL | Level 2 | No |
| Apr 2, 2026 | 87476429 | UT | Level 1 | No |
| Apr 2, 2026 | 87476545 | AL | Level 2 | No |
| Apr 2, 2026 | 87476569 | AL | Level 2 | No |
| Apr 2, 2026 | 87471540 | CT | Level 2 | No |
| Apr 2, 2026 | 87480075 | CA | Level 3 | No |
| Apr 2, 2026 | 87480175 | CA | Level 2 | No |
| Apr 2, 2026 | 87480565 | CA | Level 2 | No |
| Apr 2, 2026 | 87480654 | CA | Level 2 | No |
| Apr 2, 2026 | 87481682 | AR | Level 2 | No |
| Apr 2, 2026 | 87481828 | AL | Level 1 | No |
| Apr 2, 2026 | 87489583 | CA | Level 3 | No |
| Apr 2, 2026 | 87489380 | CA | Level 3 | No |
| Apr 2, 2026 | 87488641 | CA | Level 2 | No |
| Apr 2, 2026 | 87488164 | TX | Level 2 | No |
| Apr 2, 2026 | 87487900 | TX | Level 1 | No |
| Apr 2, 2026 | 87487896 | TX | Level 2 | No |