MARIA GUADALUPE RIOS DIAZ
USDOT 2817958 • DBA: TRANSPORTES BUFFALO • BAJIO # 8508, NUEVO LAREDO, TA, 88120
ACTIVEMotor Carrier
Authority:1 active
Insurance:None on file
BOC-3:On file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None
Overview
Company profile from FMCSA Census File
USDOT
2,817,958
Status
ACTIVE
Operation
Interstate
Business Type
Motor Carrier
State
Phone
8671151442
Email
Power Units (MCS-150)
4
Drivers (MCS-150)
4
MCS-150 Mileage
9,774
BOC-3 Agent
Physical Address
BAJIO # 8508, NUEVO LAREDO, TA, 88120
Mailing Address
1211 SAN DARIO 1626, LAREDO, TX, 78040
Contact
Phone: 8671151442
Email: [email protected]
Risk Signals2 flagged
MEDIUM
Elevated vehicle OOS rate: 44.4%
National average is 23.4%. This carrier's vehicle OOS rate is 21.0 percentage points above average.
HIGH
No insurance filings on record
This for-hire carrier has no insurance filings in the FMCSA database — a critical compliance gap.
Signals are auto-detected from FMCSA public records. This is not a regulatory determination.
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
For-Hire — Active
Active Authority
1
Revoked / Inactive
0
Authority Types
1
Insurance Policies
None on file
BOC-3 Filing
On file
Operating Authority
fmcsa-authhistApr 5, 2026
| Authority Type | Docket # | Status | Original Date | Final Date |
|---|---|---|---|---|
| For-Hire | MX-939599 | ACTIVE | Unknown | Unknown |
No insurance filings found for this carrier in FMCSA records.
Authority Action History (1 events)
fmcsa-authhist-blob
| Docket | Authority Type | Original Action | Served Date | Disposition | Decided Date |
|---|---|---|---|---|---|
| MX939599 | FOR HIRE PROPERTY | GRANTED | Oct 23, 2015 | — | Unknown |
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Hours of Service
N/A
Unsafe Driving
N/A
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspections
9
Violations
20
4 OOS
Vehicle OOS %
44.4%
Above nat'l avg (23.4%)
Driver OOS %
0.0%
Power Units (MCS-150)
4
Drivers (MCS-150)
4
Crash Records
0
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
1
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Clean monthMonth with OOSBased on latest 9 of 9 inspection records
Inspection Activity Map
2 states • 9 inspections
None Low Medium High🚛 Home base
Violation Summary (20 violations from 9 inspections)
fmcsa-inspection-file
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:396.5(b) | Fuel system leak | 5 | 0 | 7 | Vehicle Maintenance |
| FMCSR:396.5B-L | Fuel system leak | 2 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.83(g) | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | 2 | 0 | — | Vehicle Maintenance |
| FMCSR:396.3(a)(1) | Inspection/repair/maintenance - general | 2 | 1 | 5 | Vehicle Maintenance |
| FMCSR:393.207(a) | Suspension defective | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:393.78 | Windshield condition defective | 1 | 0 | 4 | Vehicle Maintenance |
| FMCSR:393.45(b)(2) | Brake tubing/hoses inadequate | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:393.48(a) | Inoperative/defective brakes | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:393.75(a)(2) | Tire-tread and/or sidewall separation | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.83(f) | Exhaust - Temporarily repaired by wrap or patches | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.205(c) | Wheel fasteners loose and/or missing | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.209(d) | Wheel fasteners loose/missing | 1 | 1 | 8 | Vehicle Maintenance |
| FMCSR:393.9(a) | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
Vehicle OOS Rate
44.4%vs nat'l 23.4%
+21.0 pts above avg
Driver OOS Rate
0.0%vs nat'l 6.7%
-6.7 pts below avg
Violations / Inspection
2.22vs nat'l 1.80
+0.42 above avg
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (9 inspections)
fmcsa-inspectionsApr 5, 2026
| Date | Report # | Station | State | Level | Vehicle | Violations | Top Codes | OOS |
|---|---|---|---|---|---|---|---|---|
| May 7, 2024 | 81698306 | LAT:27 42' 29.52N | TX | Level 1 | FRHT TRUCK TRACTOR | 2 | 393.207(a), 396.5(b) | Yes |
| Apr 1, 2024 | 81282894 | LAT:27 42' 29.52N | TX | Level 1 | FRHT TRUCK TRACTOR | 2 | 393.78, 396.5(b) | No |
| Nov 20, 2023 | 80200320 | LAREDO TX | US | Level 1 | — | 1 | 396.5B-L | No |
| Nov 6, 2023 | 80101052 | LAREDO TX | US | Level 1 | PETERBILT TRUCK TRACTOR | 1 | 396.5B-L | No |
| Sep 18, 2023 | 79710877 | COLOMBIA | TX | Level 1 | — | 4 | 396.3(a)(1), 393.83(g), 396.5(b) | Yes |
| Aug 24, 2023 | 79733781 | LAT:27 42' 29.52N | TX | Level 1 | — | 5 | 393.45(b)(2), 393.48(a), 393.75(a)(2) | Yes |
| Aug 9, 2023 | 79447779 | LAT:27 42' 29.52N | TX | Level 2 | — | 3 | 393.205(c), 393.209(d), 393.9(a) | Yes |
| Jun 19, 2023 | 78950665 | COLUMBIA(CUSTOM LOT) | TX | Level 1 | — | 0 | — | No |
| Jun 5, 2023 | 78853832 | COLUMBIA(CUSTOM LOT) | TX | Level 1 | — | 2 | 396.5(b), 393.83(g) | No |
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
1 total · 100.0% OOS
2024-052024-05
InspectionsOOS
Most frequent inspection stations
Violations by BASIC category
Vehicle Maintenance20 · 4 OOS
Related Records
Related records
StateAll entities in TA
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CityEntities in NUEVO LAREDO, TA
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AuthorityMX-939599 Certificate
For-Hire — Download free PDF
Crashes0 crash records
FMCSA Crash File
Inspections9 inspection records
Full inspection history
StationLAT:27 42' 29.52N
4 inspections at this station
StationLAREDO TX
2 inspections at this station
StationCOLUMBIA(CUSTOM LOT)
2 inspections at this station
BOC-3 AgentCarrier
Process agent on file
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FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
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FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026