CASTAIC IF
Roadside inspection site in California • 40,671 inspections on record
About This Inspection Site
CASTAIC IF 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 40,671 recorded inspections from Jan 1, 2020 to Apr 3, 2026.
A total of 13,173 unique carriers have been inspected at this site. The average number of violations per inspection is 0.8. The out-of-service rate is 11.4%, 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 Operating a CMV while ill or fatigued (Unsafe Driving) with 2,958 citations, followed by Inspection/repair/maintenance - general (2,478 citations). A total of 100 distinct violation codes have been cited at this location.
Inspection Level Breakdown
40,671 inspections by CVSA level
Top Violations
100 violation codes cited at this site (page 1 of 2)
| # | Code | Description | BASIC Category | Citations | OOS | OOS % |
|---|---|---|---|---|---|---|
| 1 | 392.2 | Operating a CMV while ill or fatigued | Unsafe Driving | 2,958 | 243 | 8.2% |
| 2 | 396.3(a)(1) | Inspection/repair/maintenance - general | Vehicle Maintenance | 2,478 | 509 | 20.5% |
| 3 | 393.9(a) | Inoperable required lamps | Vehicle Maintenance | 1,296 | 188 | 14.5% |
| 4 | 393.55E-B | Coupling device/towing methods defective | Vehicle Maintenance | 1,272 | 0 | — |
| 5 | 392.2-SLLEQP | Operating a CMV while ill or fatigued | Unsafe Driving | 1,207 | 5 | 0.4% |
| 6 | 393.47E | Slack adjuster defective | Vehicle Maintenance | 873 | 0 | — |
| 7 | 392.2-SLLSR | Operating a CMV while ill or fatigued | Unsafe Driving | 821 | 0 | — |
| 8 | 396.5B-HWSL | Fuel system leak | Vehicle Maintenance | 789 | 188 | 23.8% |
| 9 | 393.47(e) | Slack adjuster defective | Vehicle Maintenance | 653 | 0 | — |
| 10 | 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 | 652 | 642 | 98.5% |
| 11 | 393.55(e) | Coupling device/towing methods defective | Vehicle Maintenance | 629 | 0 | — |
| 12 | 393.53(b) | Steering system components worn | Vehicle Maintenance | 592 | 0 | — |
| 13 | 393.53B-B | Steering system components worn | Vehicle Maintenance | 591 | 0 | — |
| 14 | 390.3E3-MC | 390.3E3-MC | General/Admin | 578 | 8 | 1.4% |
| 15 | 393.45B2-B-AIR | Brake tubing/hoses inadequate | Vehicle Maintenance | 499 | 51 | 10.2% |
| 16 | 393.45(b)(2) | Brake tubing/hoses inadequate | Vehicle Maintenance | 476 | 118 | 24.8% |
| 17 | 393.75C-TAOTD-LT2/32 | Tire tread depth insufficient (other axles) | Vehicle Maintenance | 450 | 0 | — |
| 18 | 393.45D-B | Brake tubing/hoses inadequate | Vehicle Maintenance | 438 | 6 | 1.4% |
| 19 | 396.3A1-BOS | BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination | Vehicle Maintenance | 423 | 423 | 100.0% |
| 20 | 392.2-SLLSOA | Operating a CMV while ill or fatigued | Unsafe Driving | 421 | 7 | 1.7% |
| 21 | 393.9A-LCL | Inoperable required lamps | Vehicle Maintenance | 420 | 0 | — |
| 22 | 396.3A1-ALBV | Air Brake - Any leak from a brake valve | Vehicle Maintenance | 374 | 7 | 1.9% |
| 23 | 395.8(a)(1) | Not using the appropriate method to record hours of service | Hours of Service | 369 | 286 | 77.5% |
| 24 | 393.9A-LFTSI | Inoperable required lamps | Vehicle Maintenance | 359 | 0 | — |
| 25 | 393.75(a)(3) | Tire-flat and/or audible air leak | Vehicle Maintenance | 355 | 350 | 98.6% |
| 26 | 396.5(b) | Fuel system leak | Vehicle Maintenance | 342 | 98 | 28.7% |
| 27 | 393.75(c) | Tire tread depth insufficient (other axles) | Vehicle Maintenance | 330 | 26 | 7.9% |
| 28 | 396.5(a) | Oil/grease leak | Vehicle Maintenance | 320 | 9 | 2.8% |
| 29 | 396.3A1-BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | 309 | 16 | 5.2% |
| 30 | 395.8A1-HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours of Service | 300 | 208 | 69.3% |
| 31 | 393.9A-LIL | Inoperable required lamps | Vehicle Maintenance | 281 | 0 | — |
| 32 | 393.45B2-BHTD | Brake tubing/hoses inadequate | Vehicle Maintenance | 239 | 203 | 84.9% |
| 33 | 395.8(e)(1) | 395.8(e)(1) | Hours of Service | 221 | 80 | 36.2% |
| 34 | 396.5B-L | Fuel system leak | Vehicle Maintenance | 215 | 0 | — |
| 35 | 393.55D2-B | Coupling device/towing methods defective | Vehicle Maintenance | 209 | 0 | — |
| 36 | 395.8E-HOSPD | False record of duty status | Hours of Service | 204 | 16 | 7.8% |
| 37 | 390.21T(b) | 390.21T(b) | General/Admin | 188 | 0 | — |
| 38 | 393.9A-LSLIWR | Inoperable required lamps | Vehicle Maintenance | 180 | 180 | 100.0% |
| 39 | 393.9A-LHLI | Inoperable required lamps | Vehicle Maintenance | 174 | 0 | — |
| 40 | 393.95(a) | Emergency equipment - fire extinguisher missing/defective | Vehicle Maintenance | 161 | 0 | — |
| 41 | 393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | 159 | 0 | — |
| 42 | 390.21T(a) | 390.21T(a) | General/Admin | 157 | 0 | — |
| 43 | 393.95F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | 155 | 0 | — |
| 44 | 393.207(a) | Suspension defective | Vehicle Maintenance | 154 | 40 | 26.0% |
| 45 | 393.45D-BAAL | Brake tubing/hoses inadequate | Vehicle Maintenance | 151 | 50 | 33.1% |
| 46 | 393.9A-LSML | Inoperable required lamps | Vehicle Maintenance | 144 | 0 | — |
| 47 | 393.45 | Brake tubing/hoses inadequate | Vehicle Maintenance | 140 | 123 | 87.9% |
| 48 | 393.60C | Glazing/window obstructions | Vehicle Maintenance | 140 | 0 | — |
| 49 | 393.9A-LTSI | Inoperable required lamps | Vehicle Maintenance | 138 | 132 | 95.7% |
| 50 | 393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | 136 | 0 | — |
Top Carriers Inspected
20 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | WAL-MART TRANSPORTATION LLC | 63585 | AR | 200 |
| 2 | FEDERAL EXPRESS CORPORATION | 86876 | TN | 121 |
| 3 | SCHNEIDER NATIONAL CARRIERS INC | 264184 | WI | 115 |
| 4 | SWIFT TRANSPORTATION CO OF ARIZONA LLC | 54283 | AZ | 109 |
| 5 | UNITED PARCEL SERVICE INC | 21800 | GA | 101 |
| 6 | J B HUNT TRANSPORT INC | 80806 | AR | 90 |
| 7 | AMAZON LOGISTICS INC | 2881058 | WA | 73 |
| 8 | C R ENGLAND INC | 28406 | UT | 59 |
| 9 | WESTERN EXPRESS INC | 511412 | TN | 53 |
| 10 | FL TRANSPORTATION INC | 1421875 | TX | 52 |
| 11 | POSTAL DELIVERY SYSTEMS LLC | 2464616 | CA | 47 |
| 12 | LINCOLN TRANSPORTATION SERVICES INC | 1120526 | CA | 46 |
| 13 | H F COX INC | 228093 | CA | 45 |
| 14 | HEARTLAND EXPRESS INC OF IOWA | 134697 | IA | 45 |
| 15 | KNIGHT TRANSPORTATION INC | 428823 | AZ | 37 |
| 16 | WILLIAMS TANK LINES LLC | 229047 | CA | 36 |
| 17 | K K W TRUCKING INC | 151877 | CA | 35 |
| 18 | CHEEMA FREIGHTLINES LLC | 1486505 | WA | 35 |
| 19 | LDI TRUCKING INC | 1074419 | CA | 35 |
| 20 | CRST EXPEDITED INC | 53773 | IA | 33 |
Recent Inspections
40,671 inspections at this site (page 1 of 1627)