THP 1 I-40 KNOXVILLE SCALES
Roadside inspection site in Tennessee • 2,159 inspections on record
About This Inspection Site
THP 1 I-40 KNOXVILLE SCALES is a roadside inspection location in Tennessee where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 2,159 recorded inspections from Jan 1, 2020 to Jan 2, 2024.
A total of 1,369 unique carriers have been inspected at this site. The average number of violations per inspection is 0.6. The out-of-service rate is 13.1%, 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 650 citations, followed by Inoperable required lamps (84 citations). A total of 96 distinct violation codes have been cited at this location.
Inspection Level Breakdown
2,159 inspections by CVSA level
Top Violations
96 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 | 650 | 1 | 0.2% |
| 2 | 393.9(a) | Inoperable required lamps | Vehicle Maintenance | 84 | 37 | 44.0% |
| 3 | 393.75(g) | 393.75(g) | Vehicle Maintenance | 55 | 55 | 100.0% |
| 4 | 395.8(e)(1) | 395.8(e)(1) | Hours of Service | 47 | 7 | 14.9% |
| 5 | 383.23(a)(2) | CDL - wrong class | Driver Fitness | 29 | 29 | 100.0% |
| 6 | 393.75(a)(3) | Tire-flat and/or audible air leak | Vehicle Maintenance | 29 | 29 | 100.0% |
| 7 | 393.45(d) | Brake tubing/hoses inadequate | Vehicle Maintenance | 28 | 13 | 46.4% |
| 8 | 395.8(a) | Failing to keep RODS | Hours of Service | 23 | 23 | 100.0% |
| 9 | 395.8 | Record of Duty Status violation (general/form and manner) | Hours of Service | 20 | 0 | — |
| 10 | 393.60(c) | Glazing/window obstructions | Vehicle Maintenance | 19 | 0 | — |
| 11 | 393.47(e) | Slack adjuster defective | Vehicle Maintenance | 17 | 0 | — |
| 12 | 393.53(b) | Steering system components worn | Vehicle Maintenance | 16 | 0 | — |
| 13 | 396.3(a)(1) | Inspection/repair/maintenance - general | Vehicle Maintenance | 16 | 11 | 68.8% |
| 14 | 396.5(b) | Fuel system leak | Vehicle Maintenance | 15 | 13 | 86.7% |
| 15 | 395.3(a)(2) | Driving beyond 11-hour driving limit | Hours of Service | 14 | 3 | 21.4% |
| 16 | 393.78 | Windshield condition defective | Vehicle Maintenance | 14 | 0 | — |
| 17 | 393.207(f) | Air suspension pressure loss | Vehicle Maintenance | 13 | 12 | 92.3% |
| 18 | 390.21(b) | USDOT number not displayed | General/Admin | 12 | 0 | — |
| 19 | 391.41(a) | Physical qualification - general | Driver Fitness | 11 | 0 | — |
| 20 | 395.8(a)(1) | Not using the appropriate method to record hours of service | Hours of Service | 11 | 11 | 100.0% |
| 21 | 395.3(a)(3)(i) | 395.3(a)(3)(i) | Hours of Service | 11 | 3 | 27.3% |
| 22 | 395.24(d) | ELD cannot transfer ELD records electronically | Hours of Service | 10 | 0 | — |
| 23 | 393.75(c) | Tire tread depth insufficient (other axles) | Vehicle Maintenance | 10 | 2 | 20.0% |
| 24 | 393.25(f) | Lamps on rear of CMV obscured by load | Vehicle Maintenance | 10 | 6 | 60.0% |
| 25 | 395.8(f)(1) | Drivers record of duty status not current | Hours of Service | 9 | 0 | — |
| 26 | 393.95(a) | Emergency equipment - fire extinguisher missing/defective | Vehicle Maintenance | 9 | 0 | — |
| 27 | 391.11(b)(2) | CDL suspended/revoked | Driver Fitness | 8 | 0 | — |
| 28 | 391.11(b)(5) | Not physically qualified | Driver Fitness | 8 | 8 | 100.0% |
| 29 | 393.11 | Lighting devices/reflectors | Vehicle Maintenance | 7 | 0 | — |
| 30 | 393.43 | Brake - relay emergency valve | Vehicle Maintenance | 7 | 7 | 100.0% |
| 31 | 393.45 | Brake tubing/hoses inadequate | Vehicle Maintenance | 7 | 4 | 57.1% |
| 32 | 393.75(a)(1) | Tire-ply or belt material exposed | Vehicle Maintenance | 6 | 5 | 83.3% |
| 33 | 393.100(b) | Cargo securement - aggregate working load | Vehicle Maintenance | 6 | 6 | 100.0% |
| 34 | 390.21(a) | Vehicle marking requirements | General/Admin | 5 | 0 | — |
| 35 | 393.48(a) | Inoperative/defective brakes | Vehicle Maintenance | 5 | 2 | 40.0% |
| 36 | 396.17(c) | No proof of periodic inspection | Vehicle Maintenance | 5 | 0 | — |
| 37 | 393.45(b)(2) | Brake tubing/hoses inadequate | Vehicle Maintenance | 5 | 5 | 100.0% |
| 38 | 393.100(a) | Cargo securement - general failure | Vehicle Maintenance | 5 | 5 | 100.0% |
| 39 | 395.3(a)(3)(ii) | Driving after 60/70-hour limit | Hours of Service | 5 | 0 | — |
| 40 | 393.130 | Cargo securement - heavy equipment | Vehicle Maintenance | 4 | 4 | 100.0% |
| 41 | 393.75(b) | Tire tread depth insufficient (steer) | Vehicle Maintenance | 4 | 2 | 50.0% |
| 42 | 395.8(k)(2) | ELD malfunction / not functional | Hours of Service | 4 | 4 | 100.0% |
| 43 | 383.91(a) | No CDL endorsement | Driver Fitness | 4 | 4 | 100.0% |
| 44 | 393.75(a)(2) | Tire-tread and/or sidewall separation | Vehicle Maintenance | 3 | 1 | 33.3% |
| 45 | 393.207(b) | Frame cracked/broken/sagging | Vehicle Maintenance | 3 | 3 | 100.0% |
| 46 | 393.110(b) | Cargo securement - logs | Vehicle Maintenance | 3 | 3 | 100.0% |
| 47 | 393.102(a) | Cargo securement - tiedowns insufficient | Vehicle Maintenance | 3 | 2 | 66.7% |
| 48 | 393.67(c)(7)(v) | Tires - other defects | Vehicle Maintenance | 3 | 2 | 66.7% |
| 49 | 393.47(a) | Brake chamber - cracked/broken | Vehicle Maintenance | 3 | 1 | 33.3% |
| 50 | 395.15(i)(9) | Driver not adequately trained in the operation of the automatic on-board recording device | Hours of Service | 2 | 0 | — |
Top Carriers Inspected
20 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | US XPRESS INC | 303024 | TN | 98 |
| 2 | WESTERN EXPRESS INC | 511412 | TN | 34 |
| 3 | NEW PRIME INC | 3706 | MO | 31 |
| 4 | UNITED PARCEL SERVICE INC | 21800 | GA | 19 |
| 5 | SOUTHEASTERN FREIGHT LINES INC | 63419 | SC | 17 |
| 6 | WERNER ENTERPRISES INC | 53467 | NE | 15 |
| 7 | ANNETT HOLDINGS INC | 87409 | IA | 15 |
| 8 | MR BULT'S INC | 387102 | IL | 13 |
| 9 | KENTUCKY OIL & REFINING CO INC | 139925 | KY | 12 |
| 10 | PETROLEUM TRANSPORT COMPANY INC | 284383 | NC | 11 |
| 11 | WASTE MANAGEMENT INC OF TENNESSEE | 448609 | TN | 11 |
| 12 | SCHNEIDER NATIONAL CARRIERS INC | 264184 | WI | 11 |
| 13 | WAL-MART TRANSPORTATION LLC | 63585 | AR | 11 |
| 14 | ESTES EXPRESS LINES | 121018 | VA | 10 |
| 15 | CENTRAL TRANSPORT LLC | 661173 | MI | 10 |
| 16 | LANDAIR TRANSPORT LLC | 241411 | TN | 10 |
| 17 | GEMINI MOTOR TRANSPORT LP | 913300 | OK | 9 |
| 18 | BIG G EXPRESS INC | 580685 | TN | 9 |
| 19 | SWIFT TRANSPORTATION CO OF ARIZONA LLC | 54283 | AZ | 8 |
| 20 | FRALEY & SCHILLING INC | 125465 | IN | 8 |
Recent Inspections
2,159 inspections at this site (page 1 of 87)