RATTLESNAKE FIELD SERVICES LLC
- 2315159
-
1094 W RIVER RD
WORLAND, WY 82401-9755 - 24
- 11
- 2
Safety Rating & OOS Rates AND Licensing and Insurance
As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.
- For licensing and insurance information, visit Motus: USDOT Registration System.
- For safety rating and Out-of-Service (OOS) rates, visit SAFER.
- If you are a motor carrier looking for your Inspection Selection System (ISS) value, log in to the FMCSA Portal.
BASIC Status
(Public Property Carrier View)
Behavior Analysis & Safety Improvement Categories (BASICs) Based on a 24-month record ending May 15, 2026
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Unsafe Driving
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Not Public Crash Indicator
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Hours-of-Service Compliance
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Vehicle Maintenance
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Controlled Substances and Alcohol
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Not Public Hazardous Materials Compliance
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Driver Fitness
| On-Road Performance | ||||||
|---|---|---|---|---|---|---|
| 1.44 | Not Public | 4 | 22 | 0 | Not Public | 8.66 |
| On-Road Performance Detail | ||||||
|
2
No Safety Event Grouping
18.7
Straight Carrier
|
Not Public |
2
1
No Safety Event Grouping
|
2
2
No Safety Event Grouping
|
2
0
No Safety Event Grouping
|
Not Public |
2
1
No Safety Event Grouping
|
| Investigation Results | ||||||
| No Acute/Critical Violations Discovered | N/A |
Acute/Critical Violations Discovered |
Acute/Critical Violations Discovered |
No Acute/Critical Violations Discovered | Not Public |
Acute/Critical Violations Discovered |
Select a BASIC icon above to get details, or view your Complete SMS Profile.
Violation Summary
Violations: 20
| Violations | Description | # Violations | # OOS Violations | Violation Severity Weight | BASIC |
|---|---|---|---|---|---|
| 392.16AD | Driver - Failed to use seat belt while operating a CMV. | 1 | 0 | 7 | Unsafe Driving |
| 392.2-INAT | Driver- Inattentive or Distracted Driving | 1 | 0 | 5 | Unsafe Driving |
| 392.2-SLLML | State/Local Laws - Failure to maintain lane | 1 | 0 | 5 | Unsafe Driving |
| 392.2-SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other | 1 | 0 | 5 | Unsafe Driving |
| 392.3-F | Fatigue - Operating a commercial motor vehicle while impaired, through fatigue. | 1 | 1 | 10 | HOS Compliance |
| 383.23A2-LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | 1 | 1 | 8 | Driver Fitness |
| 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 when medical certification is required. | 1 | 1 | 1 | Driver Fitness |
| 392.9A2-C | Cargo - Vehicle components or dunnage not secured | 1 | 1 | 1 | Vehicle Maint. |
| 393.205C-WR | Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken. | 1 | 0 | 2 | Vehicle Maint. |
| 393.41-BNPB | Brake - Inoperative or missing parking brake on power unit | 1 | 1 | 4 | Vehicle Maint. |
| 393.43DBMA | Brake - Breakaway not attached to the towing vehicle | 1 | 1 | 4 | Vehicle Maint. |
| 393.48A-BIHE | Hydraulic/Electric Brake - Inoperative other than a steering axle. | 1 | 0 | 4 | Vehicle Maint. |
| 393.75C-TAOTD-LT1/32 | Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves | 1 | 1 | 8 | Vehicle Maint. |
| 393.81-H | Horn - Inoperative or defective | 1 | 0 | 3 | Vehicle Maint. |
| 393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | 1 | 0 | 2 | Vehicle Maint. |
| 393.9A-LRLI | Lighting - Tail lamp - Any inoperative | 1 | 0 | 6 | Vehicle Maint. |
| 393.9A-LSLI | Lighting - Stop lamps - Any inoperative. | 1 | 0 | 6 | Vehicle Maint. |
| 393.9A-LTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | 1 | 1 | 6 | Vehicle Maint. |
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | 1 | 0 | 4 | Vehicle Maint. |
| 396.3(a)1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | 1 | 1 | 0 | Vehicle Maint. |
Inspection History
Total Inspections: 2
| Report | Vehicle | Measure | |||||
|---|---|---|---|---|---|---|---|
| Inspection Date | Number | State | Plate Number | Plate State | Type |
Severity Weight (SW) |
Time Weight (TiW) |
| 5/29/2025 | WYTAJM000611 | WY | 20T2798 | WY | STRAIGHT TRUCK | 2 | |
| 392.9A2-C Cargo - Vehicle components or dunnage not secured (OOS) | 1 + 2 (OOS) | ||||||
| 393.9A-LTSI Lighting - Turn signal - Any inoperative on the rearmost vehicle. (OOS) | 6 + 2 (OOS) | ||||||
| 393.9A-LSLI Lighting - Stop lamps - Any inoperative. | 6 | ||||||
| 393.9A-LRLI Lighting - Tail lamp - Any inoperative | 6 | ||||||
| 393.81-H Horn - Inoperative or defective | 3 | ||||||
| 393.75C-TAOTD-LT1/32 Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves (OOS) | 8 + 2 (OOS) | ||||||
| 383.23A2-LCDLN License (CDL) - Operate a CMV and does not possess a valid CDL (OOS) | 8 + 2 (OOS) | ||||||
| 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 (OOS) | 1 + 2 (OOS) | ||||||
| 392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other | 5 | ||||||
| 396.3(a)1BOS Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination (OOS) | 0 + 2 (OOS) | ||||||
| 393.205C-WR Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken. | 2 | ||||||
| 393.41-BNPB Brake - Inoperative or missing parking brake on power unit (OOS) | 4 + 2 (OOS) | ||||||
| 393.43DBMA Brake - Breakaway not attached to the towing vehicle (OOS) | 4 + 2 (OOS) | ||||||
| 393.48A-BIHE Hydraulic/Electric Brake - Inoperative other than a steering axle. | 4 | ||||||
| 4/23/2025 | WYTAJM000560 | WY | 20-459 | WY | STRAIGHT TRUCK | 1 | |
| 396.17C-PI Operating a CMV without documentation of a periodic inspection | 4 | ||||||
| 393.95A1 Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | 2 | ||||||
| 392.3-F Fatigue - Operating a commercial motor vehicle while impaired, through fatigue. (OOS) | 10 + 2 (OOS) | ||||||
| 392.2-SLLML State/Local Laws - Failure to maintain lane | 5 | ||||||
| 392.2-INAT Driver- Inattentive or Distracted Driving | 5 | ||||||
| 392.16AD Driver - Failed to use seat belt while operating a CMV. | 7 | ||||||
Reviewed-Not Preventable Crash Activity (vehicles involved in crashes)
Total Number of Crashes: 0
This carrier has no crashes to display.
Crashes Included in SMS (vehicles involved in crashes)
Total Number of Crashes: 1
| Report | Vehicle | Crash | Measure = Sum of the Total Weight (TotW) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | Number | State | Plate Number | Plate State | Fatal | Inj. | Tow. | HM |
Severity Weight (SW) |
Time
Weight (TiW) |
Total Weight (TotW) |
| 4/23/2025 | WY0202504065 | WY | 20459 | WY | 0 | 1 | Yes | No | 2 | 1 | 2 |
Investigation Results
Acute/Critical Violations: 5
| Investigation Date | Investigation | Violation | Description | BASIC |
|---|---|---|---|---|
| 4/9/2026 | Compliance Review | 395.8(a)(1) | Failing to require a driver to prepare a record of duty status using appropriate method (critical) | HOS Compliance |
| 4/9/2026 | Compliance Review | 395.8(a)(1) | Failing to require a driver to prepare a record of duty status using appropriate method (critical) | HOS Compliance |
| 4/9/2026 | Compliance Review | 383.37(a) | Knowingly allowing, requiring, permitting, or authorizing an employee to operate a CMV during any period in which the driver does not have a current CLP or CDL or does not have a CLP or CDL with the proper class or endorsements. An employer may not use a driver to operate a CMV who violates any restriction on the driver's CLP or CDL | Driver Fitness |
| 4/9/2026 | Compliance Review | 396.17(a) | Using a commercial motor vehicle not periodically inspected | Vehicle Maint. |
| 4/9/2026 | Compliance Review | 396.17(a) | Using a commercial motor vehicle not periodically inspected | Vehicle Maint. |
Summary of Activities
The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.
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4/9/2026 (Compliance Review)
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2
- 0
- 2
- : 1
*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.
Acute/Critical Violations cited within last 12 months from an investigation.
Carrier Registration
Carrier Registration Details Subject to General Threshold Update Registration InfoInspection Selection System
As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.
- For licensing and insurance information, visit Motus: USDOT Registration System.
- For safety rating and Out-of-Service (OOS) rates, visit SAFER.
- If you are a motor carrier looking for your Inspection Selection System (ISS) value, log in to the FMCSA Portal.
Enforcement Cases
(Six years as of 06/27/2026 updated monthly from FMCSA )
No penalties found
Tools/Resources
SMS Methodology How to Improve Request a Data ReviewFor U.S. DOT# 2315159
Complete SMS Profile Carrier History DownloadsUse of SMS Data/Information
FAST Act of 2015:
Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier has received an UNSATISFACTORY safety rating under part 385 of title 49, Code of Federal Regulations, or has otherwise been ordered to discontinue operations by the Federal Motor Carrier Safety Administration, it is authorized to operate on the Nation's roadways.
Safety Measurement System:
The data in the Safety Measurement System (SMS) is performance data used by the
Agency and Enforcement Community. A
symbol, based on that data, indicates that FMCSA may prioritize a motor carrier
for further monitoring.
The
symbol is not intended to imply any federal safety rating of the carrier pursuant
to 49 USC 31144. Readers should not draw conclusions about a carrier's overall safety
condition simply based on the data displayed in this system. Unless a motor carrier
in the SMS has received an UNSATISFACTORY safety rating pursuant to 49 CFR Part
385, or has otherwise been ordered to discontinue operations by the FMCSA, it is
authorized to operate on the nation's roadways.
Motor carrier safety ratings are available at http://safer.fmcsa.dot.gov and motor carrier licensing and insurance status are available at http://li-public.fmcsa.dot.gov/.