BYRON
Roadside inspection site in California • 24 inspections on record
About This Inspection Site
BYRON is a roadside inspection location in California where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 24 recorded inspections from Jan 1, 2020 to Feb 26, 2026.
A total of 5 unique carriers have been inspected at this site. The average number of violations per inspection is 2.1. The out-of-service rate is 25.0%, meaning a moderate number of inspected vehicles or drivers are placed out of service for safety deficiencies.
Inspections follow CVSA (Commercial Vehicle Safety Alliance) North American Standard procedures and may include weight checks, credential verification, mechanical inspection, hours-of-service compliance review, and hazardous materials documentation checks. Vehicles or drivers that fail critical safety criteria are placed out of service until deficiencies are corrected.
The most frequently cited violation at this site is Inoperable required lamps (Vehicle Maintenance) with 8 citations, followed by Brake tubing/hoses inadequate (7 citations). A total of 22 distinct violation codes have been cited at this location.
Inspection Level Breakdown
24 inspections by CVSA level
Top Violations
22 violation codes cited at this site (page 1 of 1)
| # | Code | Description | BASIC Category | Citations | OOS | OOS % |
|---|---|---|---|---|---|---|
| 1 | 393.9A-LLPL | Inoperable required lamps | Vehicle Maintenance | 8 | 0 | — |
| 2 | 393.45B2-BHTD | Brake tubing/hoses inadequate | Vehicle Maintenance | 7 | 1 | 14.3% |
| 3 | 392.2-SLLMF | Operating a CMV while ill or fatigued | Unsafe Driving | 5 | 0 | — |
| 4 | 393.75A3-TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | 5 | 5 | 100.0% |
| 5 | 393.11A1-LLPL | Lighting devices/reflectors | Vehicle Maintenance | 3 | 0 | — |
| 6 | 393.47E | Slack adjuster defective | Vehicle Maintenance | 2 | 0 | — |
| 7 | 393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | 2 | 0 | — |
| 8 | 392.2-SLLSR | Operating a CMV while ill or fatigued | Unsafe Driving | 2 | 0 | — |
| 9 | 393.9A-LIL | Inoperable required lamps | Vehicle Maintenance | 2 | 0 | — |
| 10 | 393.9A-LSML | Inoperable required lamps | Vehicle Maintenance | 2 | 0 | — |
| 11 | 393.9A-LCL | Inoperable required lamps | Vehicle Maintenance | 2 | 0 | — |
| 12 | 393.60C | Glazing/window obstructions | Vehicle Maintenance | 1 | 0 | — |
| 13 | 393.9A-LSLI | Inoperable required lamps | Vehicle Maintenance | 1 | 0 | — |
| 14 | 390.21TB1-MC | 390.21TB1-MC | General/Admin | 1 | 0 | — |
| 15 | 393.11A1-LCHL | Lighting devices/reflectors | Vehicle Maintenance | 1 | 0 | — |
| 16 | 393.78 | Windshield condition defective | Vehicle Maintenance | 1 | 0 | — |
| 17 | 393.205C-WRAWFLMIB | Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | 1 | 0 | — |
| 18 | 392.2-SLLEQP | Operating a CMV while ill or fatigued | Unsafe Driving | 1 | 0 | — |
| 19 | 393.53B-B | Steering system components worn | Vehicle Maintenance | 1 | 0 | — |
| 20 | 393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | 1 | 0 | — |
| 21 | 393.9A-LBL | Inoperable required lamps | Vehicle Maintenance | 1 | 0 | — |
| 22 | 393.45B2-B-AIR | Brake tubing/hoses inadequate | Vehicle Maintenance | 1 | 0 | — |
Top Carriers Inspected
5 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | OLIVEIRA ENTERPRISES INC | 2618391 | CA | 12 |
| 2 | D&D READY MIX INC | 2718009 | CA | 4 |
| 3 | BERKELEY READY MIX SERVICES INC | 3109878 | CA | 4 |
| 4 | CANDYS LANDSCAPE INC | 2616781 | CA | 3 |
| 5 | SF BAY XLENCY LIMOUSINES INC | 3392003 | CA | 1 |
Recent Inspections
24 inspections at this site (page 1 of 1)