HUERTA'S TRANSPORT LLC
- 1878563
-
1438 ARTHUR ST
BROWNSVILLE, TX 78521 - 3
- 3
- 25
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
-
Not Public Hazardous Materials Compliance
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Driver Fitness
| On-Road Performance | ||||||
|---|---|---|---|---|---|---|
| 5.57 | Not Public | 1.21 | 15.88 | 0 | Not Public | 0 |
| On-Road Performance Detail | ||||||
|
1
No Safety Event Grouping
2.3
Combination Carrier
|
Not Public |
25
6
21-100 relevant driver inspections
|
21
20
21-100 relevant vehicle inspections
|
25
0
No Safety Event Grouping
|
Not Public |
25
0
21-100 relevant driver inspections
|
| Investigation Results | ||||||
| No Acute/Critical Violations Discovered | N/A | No Acute/Critical Violations Discovered | No Acute/Critical Violations Discovered | No Acute/Critical Violations Discovered | Not Public | No Acute/Critical Violations Discovered |
Select a BASIC icon above to get details, or view your Complete SMS Profile.
Violation Summary
Violations: 90
| Violations | Description | # Violations | # OOS Violations | Violation Severity Weight | BASIC |
|---|---|---|---|---|---|
| 392.2LV | Lane Restriction violation | 1 | 0 | 3 | Unsafe Driving |
| 392.2-SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | 1 | 0 | 10 | Unsafe Driving |
| 395.22G | Portable ELD not mounted in a fixed position and visible to driver | 1 | 0 | 1 | HOS Compliance |
| 395.24(d) | ELD cannot transfer ELD records electronically | 1 | 0 | 3 | HOS Compliance |
| 395.8 | Record of Duty Status violation (general/form and manner) | 2 | 0 | 1 | HOS Compliance |
| 395.8(a) | HOS (Form) - Paper Log/Logging Programs Form and Manner | 2 | 0 | 1 | HOS Compliance |
| 395.8(e) | False report of drivers record of duty status | 1 | 1 | 7 | HOS Compliance |
| 395.8F01 | Drivers record of duty status not current | 1 | 0 | 5 | HOS Compliance |
| 395.8(k)(2) | Driver failing to retain previous 7 days records of duty status | 1 | 1 | 5 | HOS Compliance |
| 393.11LR | No Lower rear retroreflective sheeting or reflex reflective materials as required for vehicles manufactured after December 1993 | 1 | 0 | 3 | Vehicle Maint. |
| 393.11TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | 1 | 0 | 3 | Vehicle Maint. |
| 393.11UR | Upper Rear retroreflective sheeting or reflex reflecting material requirements for vehicles manufactured after December 1993 | 1 | 0 | 3 | Vehicle Maint. |
| 393.203(c) | Hood not securely fastened | 1 | 0 | 2 | Vehicle Maint. |
| 393.209D-STPAL | Steering - Pitman arm loose on the output shaft | 1 | 1 | 6 | Vehicle Maint. |
| 393.209D-STYCIS | Steering - Looseness of the yoke-coupling to the input shaft | 1 | 1 | 6 | Vehicle Maint. |
| 393.209(e) | Power steering violations | 2 | 0 | 6 | Vehicle Maint. |
| 393.209E-SPSLA | Steering - Power steering leaking anywhere. | 1 | 0 | 6 | Vehicle Maint. |
| 393.43 | No/improper breakaway or emergency braking | 1 | 0 | 4 | Vehicle Maint. |
| 393.43(a) | No/improper tractor protection valve | 1 | 1 | 4 | Vehicle Maint. |
| 393.45B2PC | Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit | 1 | 0 | 4 | Vehicle Maint. |
| 393.45B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | 1 | 0 | 4 | Vehicle Maint. |
| 393.45DLPC | Brake Connections with Leaks - Connection to Power Unit | 2 | 0 | 4 | Vehicle Maint. |
| 393.47(e) | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | 2 | 0 | 4 | Vehicle Maint. |
| 393.51 | No or defective brake warning device or pressure gauge | 1 | 1 | 4 | Vehicle Maint. |
| 393.53(b) | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | 2 | 0 | 4 | Vehicle Maint. |
| 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | 1 | 0 | 4 | Vehicle Maint. |
| 393.55(c)(2) | CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. | 1 | 0 | 4 | Vehicle Maint. |
| 393.55(d)(1) | CMV not equipped with ABS malfunction circuit or signal (Truck-Tractor mfg on/after 3/1/1997; Straight Truck mfg on/after 3/1/1998) | 1 | 0 | 4 | Vehicle Maint. |
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | 1 | 0 | 4 | Vehicle Maint. |
| 393.60(c) | Windshield - Damaged or Discolored | 4 | 0 | 1 | Vehicle Maint. |
| 393.60(d) | Windshield / Windows - Tinting permits less than 70% of light transmittance | 2 | 0 | 1 | Vehicle Maint. |
| 393.75(a)(1) | Tire-ply or belt material exposed | 2 | 0 | 8 | Vehicle Maint. |
| 393.75(a)(2) | Tire-tread and/or sidewall separation | 3 | 0 | 8 | Vehicle Maint. |
| 393.75(a)(3) | Tire-flat and/or audible air leak | 1 | 1 | 8 | Vehicle Maint. |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 2 | 2 | 8 | Vehicle Maint. |
| 393.75(b) | Tire-front tread depth less than 4/32 of inch on a major tread groove | 1 | 0 | 8 | Vehicle Maint. |
| 393.75(c) | Tire-other tread depth less than 2/32 of inch measured in a major tread groove | 4 | 0 | 8 | Vehicle Maint. |
| 393.75C-OOS | Tire-other tread depth less than 1/32 of inch measured in 2 adjacent major tread grooves 3 separate locations 8 inches apart | 1 | 1 | 8 | Vehicle Maint. |
| 393.75C-TAOTD-LT2/32 | Tires - Less than 2/32 inch tread depth | 4 | 0 | 8 | Vehicle Maint. |
| 393.78 | Wipers - Inoperative / missing / damaged wipers | 4 | 0 | 1 | Vehicle Maint. |
| 393.78A-WS | Washers - Inoperative washing system. | 2 | 0 | 1 | Vehicle Maint. |
| 393.83(g) | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | 1 | 0 | 1 | Vehicle Maint. |
| 393.86(a)(1) | Rear Impact Guards Required - trailer manufactured on or after January 26, 1998 | 1 | 0 | 2 | Vehicle Maint. |
| 393.9 | Inoperable Required Lamp | 5 | 0 | 2 | Vehicle Maint. |
| 393.95(a) | No/discharged/unsecured fire extinguisher | 2 | 0 | 2 | Vehicle Maint. |
| 393.95(b) | Emergency Equipment - A power unit requiring fuses - missing a spare fuse for a required part or accessory (e.g., lamps required by 393.11, ABS lights or low air warning light). | 1 | 0 | 2 | Vehicle Maint. |
| 393.95(f) | Emergency Equipment - Stopped vehicle warning devices missing or improper | 2 | 0 | 2 | Vehicle Maint. |
| 393.9A-LBL | Lighting - Backup lamp inoperative | 1 | 0 | 6 | Vehicle Maint. |
| 393.9A-LHLI | Lighting - Headlamp(s) - Any inoperative | 1 | 0 | 6 | Vehicle Maint. |
| 393.9A-LRLI | Lighting - Tail lamp - Any inoperative | 2 | 0 | 6 | Vehicle Maint. |
| 393.9H | Inoperable head lamps | 2 | 0 | 6 | Vehicle Maint. |
| 396.3A1B | Brakes (general) Explain: | 2 | 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 | 2 | 2 | 0 | Vehicle Maint. |
| 396.5(b) | Oil and/or grease leak | 3 | 0 | 3 | Vehicle Maint. |
Inspection History
Total Inspections: 25
| Report | Vehicle | Measure | |||||
|---|---|---|---|---|---|---|---|
| Inspection Date | Number | State | Plate Number | Plate State | Type |
Severity Weight (SW) |
Time Weight (TiW) |
| 5/11/2026 | TNI033II0104 | TN | R498078 | TX | TRUCK TRACTOR | 3 | |
| 4/28/2026 | TXV262323773 | TX | R833405 | TX | TRUCK TRACTOR | 3 | |
| 393.11TU Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | 3 | ||||||
| 393.60(c) Windshield - Damaged or Discolored | 1 | ||||||
| 4/8/2026 | TNI034W52249 | TN | R833405 | TX | TRUCK TRACTOR | 3 | |
| 393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS (OOS) | 8 + 2 (OOS) | ||||||
| 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) | ||||||
| 3/23/2026 | AR5820001314 | AR | R558352 | TX | TRUCK TRACTOR | 3 | |
| 395.8(a) HOS (Form) - Paper Log/Logging Programs Form and Manner | 1 | ||||||
| 393.209D-STPAL Steering - Pitman arm loose on the output shaft (OOS) | 6 + 2 (OOS) | ||||||
| 393.9A-LHLI Lighting - Headlamp(s) - Any inoperative | 6 | ||||||
| 393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | 4 | ||||||
| 393.78A-WS Washers - Inoperative washing system. | 1 | ||||||
| 393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth | 8 | ||||||
| 3/6/2026 | LALARVS00896 | LA | R558352 | TX | TRUCK TRACTOR | 3 | |
| 393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth | 8 | ||||||
| 393.9A-LRLI Lighting - Tail lamp - Any inoperative | 6 | ||||||
| 393.95(f) Emergency Equipment - Stopped vehicle warning devices missing or improper | 2 | ||||||
| 2/21/2026 | TXV262215274 | TX | R558352 | TX | TRUCK TRACTOR | 3 | |
| 393.78 Wipers - Inoperative / missing / damaged wipers | 1 | ||||||
| 393.60(d) Windshield / Windows - Tinting permits less than 70% of light transmittance | 1 | ||||||
| 393.209(e) Power steering violations | 6 | ||||||
| 393.95(b) Emergency Equipment - A power unit requiring fuses - missing a spare fuse for a required part or accessory (e.g., lamps required by 393.11, ABS lights or low air | 2 | ||||||
| 2/5/2026 | TXV262221439 | TX | R558352 | TX | TRUCK TRACTOR | 3 | |
| 395.24(d) ELD cannot transfer ELD records electronically | 3 | ||||||
| 395.8 Record of Duty Status violation (general/form and manner) | 1 | ||||||
| 393.60(c) Windshield - Damaged or Discolored | 1 | ||||||
| 393.75(a)(1) Tire-ply or belt material exposed | 8 | ||||||
| 396.5(b) Oil and/or grease leak | 3 | ||||||
| 395.22G Portable ELD not mounted in a fixed position and visible to driver | 1 | ||||||
| 2/4/2026 | TXV262218975 | TX | R498078 | TX | TRUCK TRACTOR | 3 | |
| 393.9H Inoperable head lamps | 6 | ||||||
| 396.3A1B Brakes (general) Explain: | 4 | ||||||
| 393.75(b) Tire-front tread depth less than 4/32 of inch on a major tread groove | 8 | ||||||
| 393.45DLPC Brake Connections with Leaks - Connection to Power Unit | 4 | ||||||
| 393.45B2UV Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | 4 | ||||||
| 393.9 Inoperable Required Lamp | 2 | ||||||
| 1/15/2026 | AR8310000294 | AR | R558352 | TX | TRUCK TRACTOR | 3 | |
| 393.209D-STYCIS Steering - Looseness of the yoke-coupling to the input shaft (OOS) | 6 + 2 (OOS) | ||||||
| 12/29/2025 | MS6623302719 | MS | R498078 | TX | TRUCK TRACTOR | 3 | |
| 11/7/2025 | LALAFUS01066 | LA | R498078 | TX | TRUCK TRACTOR | 2 | |
| 393.9A-LBL Lighting - Backup lamp inoperative | 6 | ||||||
| 393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS (OOS) | 8 + 2 (OOS) | ||||||
| 393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth | 8 | ||||||
| 393.78A-WS Washers - Inoperative washing system. | 1 | ||||||
| 9/30/2025 | TXV252030695 | TX | R558352 | TX | TRUCK TRACTOR | 2 | |
| 396.5(b) Oil and/or grease leak | 3 | ||||||
| 393.83(g) Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | 1 | ||||||
| 393.95(a) No/discharged/unsecured fire extinguisher | 2 | ||||||
| 393.95(f) Emergency Equipment - Stopped vehicle warning devices missing or improper | 2 | ||||||
| 393.9 Inoperable Required Lamp | 2 | ||||||
| 393.43 No/improper breakaway or emergency braking | 4 | ||||||
| 393.55(d)(1) CMV not equipped with ABS malfunction circuit or signal (Truck-Tractor mfg on/after 3/1/1997; Straight Truck mfg on/after 3/1/1998) | 4 | ||||||
| 393.51 No or defective brake warning device or pressure gauge (OOS) | 4 + 2 (OOS) | ||||||
| 393.78 Wipers - Inoperative / missing / damaged wipers | 1 | ||||||
| 393.75(c) Tire-other tread depth less than 2/32 of inch measured in a major tread groove | 8 | ||||||
| 9/18/2025 | AL1311001450 | AL | R498078 | TX | TRUCK TRACTOR | 2 | |
| 9/7/2025 | MS7639002073 | MS | R558352 | TX | TRUCK TRACTOR | 2 | |
| 393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth | 8 | ||||||
| 393.9A-LRLI Lighting - Tail lamp - Any inoperative | 6 | ||||||
| 8/7/2025 | LALARGS01133 | LA | R558352 | TX | TRUCK TRACTOR | 2 | |
| 395.8(a) HOS (Form) - Paper Log/Logging Programs Form and Manner | 1 | ||||||
| 393.53B-B Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | 4 | ||||||
| 393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | 4 | ||||||
| 393.209E-SPSLA Steering - Power steering leaking anywhere. | 6 | ||||||
| 6/13/2025 | TXV251908870 | TX | R498078 | TX | TRUCK TRACTOR | 2 | |
| 393.9H Inoperable head lamps | 6 | ||||||
| 393.55(c)(2) CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system | 4 | ||||||
| 393.45B2PC Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit | 4 | ||||||
| 395.8F01 Drivers record of duty status not current | 5 | ||||||
| 393.9 Inoperable Required Lamp | 2 | ||||||
| 395.8(k)(2) Driver failing to retain previous 7 days records of duty status (OOS) | 5 + 2 (OOS) | ||||||
| 6/5/2025 | TXV251907190 | TX | R498078 | TX | TRUCK TRACTOR | 2 | |
| 393.53(b) CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | 4 | ||||||
| 395.8(e) False report of drivers record of duty status (OOS) | 7 + 2 (OOS) | ||||||
| 393.11LR No Lower rear retroreflective sheeting or reflex reflective materials as required for vehicles manufactured after December 1993 | 3 | ||||||
| 5/3/2025 | TXV251867236 | TX | R498078 | TX | TRUCK TRACTOR | 1 | |
| 393.75(c) Tire-other tread depth less than 2/32 of inch measured in a major tread groove | 8 | ||||||
| 393.75(a)(1) Tire-ply or belt material exposed | 8 | ||||||
| 393.78 Wipers - Inoperative / missing / damaged wipers | 1 | ||||||
| 4/2/2025 | TXV251835225 | TX | R558352 | TX | TRUCK TRACTOR | 1 | |
| 393.43(a) No/improper tractor protection valve (OOS) | 4 + 2 (OOS) | ||||||
| 393.60(d) Windshield / Windows - Tinting permits less than 70% of light transmittance | 1 | ||||||
| 393.9 Inoperable Required Lamp | 2 | ||||||
| 393.60(c) Windshield - Damaged or Discolored | 1 | ||||||
| 393.75(a)(2) Tire-tread and/or sidewall separation | 8 | ||||||
| 3/3/2025 | MSMC00270169 | MS | R558352 | TX | TRUCK TRACTOR | 1 | |
| 2/13/2025 | MS6611182513 | MS | R498078 | TX | TRUCK TRACTOR | 1 | |
| 393.75(c) Tire-other tread depth less than 2/32 of inch measured in a major tread groove | 8 | ||||||
| 393.75C-OOS Tire-other tread depth less than 1/32 of inch measured in 2 adjacent major tread grooves 3 separate locations 8 inches apart (OOS) | 8 + 2 (OOS) | ||||||
| 2/3/2025 | MS6620003030 | MS | R55 8352 | TX | TRUCK TRACTOR | 1 | |
| 393.86(a)(1) Rear Impact Guards Required - trailer manufactured on or after January 26, 1998 | 2 | ||||||
| 393.95(a) No/discharged/unsecured fire extinguisher | 2 | ||||||
| 393.75(a)(2) Tire-tread and/or sidewall separation | 8 | ||||||
| 393.75(c) Tire-other tread depth less than 2/32 of inch measured in a major tread groove | 8 | ||||||
| 393.60(c) Windshield - Damaged or Discolored | 1 | ||||||
| 392.2LV Lane Restriction violation | 3 | ||||||
| 395.8 Record of Duty Status violation (general/form and manner) | 1 | ||||||
| 392.2-SLLS4 State/Local Laws - Speeding 15 or more miles per hour over the speed limit | 10 | ||||||
| 9/11/2024 | TXV241556722 | TX | R498078 | TX | TRUCK TRACTOR | 1 | |
| 396.3(a)1BOS 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 (OOS) | 0 + 2 (OOS) | ||||||
| 393.9 Inoperable Required Lamp | 2 | ||||||
| 396.3A1B Brakes (general) Explain: | 4 | ||||||
| 393.53(b) CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | 4 | ||||||
| 396.5(b) Oil and/or grease leak | 3 | ||||||
| 393.75(a)(2) Tire-tread and/or sidewall separation | 8 | ||||||
| 393.78 Wipers - Inoperative / missing / damaged wipers | 1 | ||||||
| 393.11UR Upper Rear retroreflective sheeting or reflex reflecting material requirements for vehicles manufactured after December 1993 | 3 | ||||||
| 393.209(e) Power steering violations | 6 | ||||||
| 393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | 4 | ||||||
| 7/11/2024 | MS6647018657 | MS | R558352 | TX | TRUCK TRACTOR | 1 | |
| 6/4/2024 | LALAPX000725 | LA | R498078 | TX | TRUCK TRACTOR | 1 | |
| 393.45DLPC Brake Connections with Leaks - Connection to Power Unit | 4 | ||||||
| 393.75(a)(3) Tire-flat and/or audible air leak (OOS) | 8 + 2 (OOS) | ||||||
| 393.203(c) Hood not securely fastened | 2 | ||||||
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: 0
This carrier has no crashes to display.
Investigation Results
Acute/Critical Violations: 0
This carrier has no Acute/Critical violations to display.
Summary of Activities
The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.
- 7/1/2021 (Non-Ratable Review)
-
25
- 5
- 20
- : 0
*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.
Continue for more Crash, Inspection & Investigation DetailsCarrier 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 06/24/2026 updated monthly from FMCSA )
No penalties found
Tools/Resources
SMS Methodology How to Improve Request a Data ReviewFor U.S. DOT# 1878563
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/.