HAMMON
Roadside inspection site in Oklahoma • 30 inspections on record
About This Inspection Site
HAMMON is a roadside inspection location in Oklahoma where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 30 recorded inspections from Jan 1, 2020 to Feb 17, 2026.
A total of 29 unique carriers have been inspected at this site. The average number of violations per inspection is 1.9. The out-of-service rate is 33.3%, meaning a significant portion 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 3 citations, followed by Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. (2 citations). A total of 36 distinct violation codes have been cited at this location.
Inspection Level Breakdown
30 inspections by CVSA level
Top Violations
36 violation codes cited at this site (page 1 of 1)
| # | Code | Description | BASIC Category | Citations | OOS | OOS % |
|---|---|---|---|---|---|---|
| 1 | 393.9A-LSLI | Inoperable required lamps | Vehicle Maintenance | 3 | 2 | 66.7% |
| 2 | 393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | 2 | 0 | — |
| 3 | 392.2-SLLS2 | Speeding 6-10 mph over limit | Unsafe Driving | 2 | 0 | — |
| 4 | 392.2 | Operating a CMV while ill or fatigued | Unsafe Driving | 2 | 0 | — |
| 5 | 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 | 2 | 2 | 100.0% |
| 6 | 393.9A-LSLIWR | Inoperable required lamps | Vehicle Maintenance | 2 | 2 | 100.0% |
| 7 | 393.9A-LFTSI | Inoperable required lamps | Vehicle Maintenance | 2 | 0 | — |
| 8 | 392.2-SLLEWA2 | Operating a CMV while ill or fatigued | Unsafe Driving | 2 | 0 | — |
| 9 | 393.207A-SAPPCBLM | Suspension defective | Vehicle Maintenance | 1 | 0 | — |
| 10 | 393.9A-LSML | Inoperable required lamps | Vehicle Maintenance | 1 | 0 | — |
| 11 | 392.2-SLLEWA3 | Operating a CMV while ill or fatigued | Unsafe Driving | 1 | 0 | — |
| 12 | 393.75A1-TFBMF | Tires - Front belt material/casing ply showing in tread area | Vehicle Maintenance | 1 | 0 | — |
| 13 | 393.9A-LRLI | Inoperable required lamps | Vehicle Maintenance | 1 | 0 | — |
| 14 | 393.75A3-TFL | Tires - Front leaking or inflation 50% or less than of the maximum inflation pressure | Vehicle Maintenance | 1 | 1 | 100.0% |
| 15 | 393.9A-HLLH | Inoperable required lamps | Vehicle Maintenance | 1 | 0 | — |
| 16 | 172.516(c)(4) | Placard not located at least 3 inches away from advertising that could reduce its effectiveness | Hazardous Materials | 1 | 0 | — |
| 17 | 391.41APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | 1 | 0 | — |
| 18 | 107.620(b) | 107.620(b) | Unknown | 1 | 0 | — |
| 19 | 393.205C-WR | Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | 1 | 1 | 100.0% |
| 20 | 393.75A1-TEPBM | Tires - All others - Exposed ply or belt material in tread or sidewall area | Vehicle Maintenance | 1 | 1 | 100.0% |
| 21 | 395.24(c)(2)(iii) | Driver failed to manually add shipping document number | Hours of Service | 1 | 0 | — |
| 22 | 393.45D-B | Brake tubing/hoses inadequate | Vehicle Maintenance | 1 | 0 | — |
| 23 | 396.17C-PI | No proof of periodic inspection | Vehicle Maintenance | 1 | 0 | — |
| 24 | 383.23(a)(2) | CDL - wrong class | Driver Fitness | 1 | 1 | 100.0% |
| 25 | 396.17(c) | No proof of periodic inspection | Vehicle Maintenance | 1 | 0 | — |
| 26 | 392.2-SLLIT | Operating a CMV while ill or fatigued | Unsafe Driving | 1 | 0 | — |
| 27 | 172.516(c)(6) | Placard damaged deteriorated or obscured | Hazardous Materials | 1 | 0 | — |
| 28 | 393.81 | Horn inoperable | Vehicle Maintenance | 1 | 0 | — |
| 29 | 393.25(f) | Lamps on rear of CMV obscured by load | Vehicle Maintenance | 1 | 1 | 100.0% |
| 30 | 393.9(a) | Inoperable required lamps | Vehicle Maintenance | 1 | 0 | — |
| 31 | 393.30 | Battery improperly secured | Vehicle Maintenance | 1 | 0 | — |
| 32 | 393.75A1-TAORETA | Tires - All others has more than one ply exposed in the tread area exceeding 2 square inches. | Vehicle Maintenance | 1 | 0 | — |
| 33 | 393.30-B | Battery improperly secured | Vehicle Maintenance | 1 | 0 | — |
| 34 | 177.817(a) | Placarding violation | Hazardous Materials | 1 | 1 | 100.0% |
| 35 | 392.16(a) | Failing to use seat belt (49 CFR) | Unsafe Driving | 1 | 0 | — |
| 36 | 395.22(h)(4) | Driver failed to maintain supply of blank drivers records of duty status graph-grids | Hours of Service | 1 | 0 | — |
Top Carriers Inspected
20 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | ANADARKO DOZER & TRUCKING LLC | 722617 | OK | 2 |
| 2 | HUTCHINSON TRUCKING LLC - SERIES 1 | 140976 | IL | 1 |
| 3 | MISSION PETROLEUM CARRIERS INC | 232937 | TX | 1 |
| 4 | AG & OIL TRANSPORT LLC | 2444774 | OK | 1 |
| 5 | PERFEX CHEMICAL SOLUTIONS LLC | 3207555 | TX | 1 |
| 6 | HUTCHINSON OIL CO LLC | 470458 | OK | 1 |
| 7 | MONSTER SERVICES LLC | 1721334 | OK | 1 |
| 8 | VENABLES WELDING & ROUSTABOUT INC | 988890 | TX | 1 |
| 9 | AG & OIL FIELD LLC | 2318265 | OK | 1 |
| 10 | MIDWEST BULK INC | 1332081 | KS | 1 |
| 11 | TIMS TRUCKING LLC | 1396675 | OK | 1 |
| 12 | BEEMAC INC | 388467 | PA | 1 |
| 13 | WISE PRODUCTS INC | 374256 | TX | 1 |
| 14 | HARVEST ROASTING | 1208552 | NE | 1 |
| 15 | CANYON OILFIELD SERVICES LLC | 1003336 | OK | 1 |
| 16 | HEARTLAND ENERGY SOLUTIONS LLC | 3313518 | OK | 1 |
| 17 | HUTTON INC | 962652 | OK | 1 |
| 18 | TAS TRUCKING INC | 1268849 | OK | 1 |
| 19 | A & E LLC | 3386264 | KS | 1 |
| 20 | LONGLEAF ENVIRONMENTAL SERVICES LLC | 3578127 | OK | 1 |
Recent Inspections
30 inspections at this site (page 1 of 2)