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FMCSA - Federal Motor Carrier Safety Adminstration

CSA - Compliance, Safety, Accountability

Working Together for Safety.

SMS - Safety Measurement System SMS - Safety Measurement System

DIAZ TRUCKING INC

  • 1701737
  • 12501 OLD GUNPOWDER RD SPUR
    BELTSVILLE, MD 20705
  • 9
  • 9
  • 52

Safety Rating & OOS Rates

(As of 12/23/2025 updated daily from SAFER )

Not Rated

Out of Service Rates

Type OOS % National Avg %
Vehicle 21.3 23.2
Driver 13.5 6.4
Hazmat 4.4

Licensing and Insurance

(As of 12/23/2025 updated hourly from L&I )

Active For-Hire Authority
Type Yes/No MC#/MX#
Property Yes MC-839807
Passenger No
Household Goods No
Broker No

BASIC Status (Public Property Carrier View) FAST Act of 2015

Behavior Analysis & Safety Improvement Categories (BASICs) Based on a 24-month record ending November 28, 2025

On-Road Performance
5.68 Not Public 0.23 6.37 0 Not Public 0.75
On-Road Performance Detail
6
5-8 driver inspections with Unsafe Driving Violations
13.6
Straight Carrier
Not Public
52
2
21-100 relevant driver inspections
48
30
21-100 relevant vehicle inspections
52
0
No Safety Event Grouping
Not Public
52
6
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: 83

Violations Description # Violations # OOS Violations Violation Severity Weight BASIC
392.2LV Lane Restriction violation 1 0 3 Unsafe Driving
392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit. 1 0 4 Unsafe Driving
392.2-SLLS4 State/Local Laws - Speeding 15 or more miles per hour over the speed limit. 1 0 10 Unsafe Driving
392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety offical, signal, sign, light, lane marking, other. 2 0 5 Unsafe Driving
392.82(a)1 Using a hand-held mobile telephone while operating a CMV 1 0 10 Unsafe Driving
395.8A1-HOSP HOS (Property) - Failing to have a record of duty status using the method prescribed. 1 1 5 HOS Compliance
395.8A-NON-ELD No record of duty status when one is required (ELD Not Required) 1 1 5 HOS Compliance
383.23(a)(2) Operating a CMV without a CDL 1 1 8 Driver Fitness
391.15A-LNCDLNSRW Operating a non-CDL required commercial motor vehicle with driving privileges revoked, suspended, cancelled or otherwise disqualified. (391.15(a)) 1 1 8 Driver Fitness
391.15A-SIN Driving a CMV while disqualified. Suspended for safety-related or unknown reason and in the state of drivers license issuance. 1 1 8 Driver Fitness
391.41(a) Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency. History of either failing to produce a medical certificate or having an expired medical certificate. 1 1 1 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
391.45(b) Expired medical examiner's certificate 1 0 1 Driver Fitness
392.2WC Wheel (Mud) Flaps missing or defective 3 0 1 Vehicle Maint.
393.11A1-LCHL Lighting - Lamps improper color, height, location. 1 0 6 Vehicle Maint.
393.203E-CBP Cab and Body Parts - Cab front bumper missing/not secured/protruding. 1 0 2 Vehicle Maint.
393.207(c) Leaf spring assembly defective/missing 2 2 7 Vehicle Maint.
393.209D-STPAL Steering - Pitman arm loose on the output shaft. 3 3 6 Vehicle Maint.
393.209D-STSM Steering - Modified or has a condition that interferes with the free movement of steering. 1 1 6 Vehicle Maint.
393.209D-STYCIS Steering - Looseness of the yoke-coupling to the input shaft. 1 1 6 Vehicle Maint.
393.30 Improper battery installation 1 0 3 Vehicle Maint.
393.30-B Battery - Not protected. 6 0 3 Vehicle Maint.
393.45(b)(2) Brake hose or tubing chafing and/or kinking 1 0 4 Vehicle Maint.
393.45B2-B Air brake - Hose/tubing damaged or not secured 1 0 4 Vehicle Maint.
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured. 1 0 4 Vehicle Maint.
393.45D-B Air Brake - Audible air leak at a proper connection. 1 0 4 Vehicle Maint.
393.47(a) Inadequate brakes for safe stopping - Brake Lining condition 1 1 4 Vehicle Maint.
393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 1 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.
393.55C1-B Air Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault. 2 0 4 Vehicle Maint.
393.55C2-B Air Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates a fault. 1 0 4 Vehicle Maint.
393.60(c) Windshield - Damaged or Discolored 1 0 1 Vehicle Maint.
393.78 Wipers - Inoperative / missing / damaged wipers. 2 0 1 Vehicle Maint.
393.78A-WS Washers - Inoperative washing system. 4 0 1 Vehicle Maint.
393.9 Inoperable Required Lamp 2 0 2 Vehicle Maint.
393.95(a) No/discharged/unsecured fire extinguisher 1 0 2 Vehicle Maint.
393.95A4-EEUS Emergency Equipment - Fire Extinguishers - unsecured. 1 0 2 Vehicle Maint.
393.95(f) Emergency Equipment - Stopped vehicle warning devices missing or improper. 1 0 2 Vehicle Maint.
393.9A-HLLH Lighting - Headlamp(s) fail to operate on low and high beam. 2 0 6 Vehicle Maint.
393.9A-LCL Lighting - Clearance lamp(s) inoperative. 1 0 2 Vehicle Maint.
393.9A-LFTSI Lighting - Front - Turn signal - inoperative. 2 0 6 Vehicle Maint.
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative. 1 0 6 Vehicle Maint.
393.9A-LIL Lighting - Identification lamp(s) inoperative. 2 0 2 Vehicle Maint.
393.9A-LLPL Lighting - License plate lamp inoperative. 1 0 2 Vehicle Maint.
393.9H Inoperable head lamps 2 0 6 Vehicle Maint.
393.9T Inoperable tail lamp 1 1 6 Vehicle Maint.
396.17(c) Operating a CMV without proof of a periodic inspection 2 0 4 Vehicle Maint.
396.3(a)(1) Inspection, repair and maintenance of parts and accessories 1 0 2 Vehicle Maint.
396.3A1-BALAC Brake - Audible air leak from a brake chamber 3 0 4 Vehicle Maint.
396.3A1-BALR Air Brake - Fails air loss rate test. 1 1 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. 3 3 0 Vehicle Maint.
396.3A1-DLDSCBB Driveline/Driveshaft - Any broken or loose center bearing bracket, bracket bolts or mounting hardware. 1 1 3 Vehicle Maint.
396.3A1-DLDSJM Driveline/Driveshaft - Any horizontal or vertical movement of slip joint yoke shaft of greater than 1/2 inch, with hand pressure only. 1 1 3 Vehicle Maint.
396.5B-HWSL Hubs - Wheel seal leaking. 1 1 2 Vehicle Maint.
396.5B-L Lubrication - Oil or grease leak. 1 0 3 Vehicle Maint.
396.9D2-FTF Failing to correct the violation(s)/defect(s) noted on the roadside inspection report. 2 0 4 Vehicle Maint.

Inspection History

Total Inspections: 52

Report Vehicle Measure
Inspection Date Number State Plate Number Plate State Type Severity Weight
(SW) 		Time Weight
(TiW)
11/21/2025 MD2216C00244 MD 6DT7775 MD STRAIGHT TRUCK   3
393.30-B Battery - Not protected 3  
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  
396.9D2-FTF Failing to correct the violation(s)/defect(s) noted on the roadside inspection report 4  
393.95A4-EEUS Emergency Equipment - Fire Extinguishers - unsecured 2  
11/7/2025 MD2355C00568 MD 1GB4318 MD STRAIGHT TRUCK   3
393.209D-STPAL Steering - Pitman arm loose on the output shaft (OOS) 6 + 2 (OOS)  
396.3A1-DLDSCBB Driveline/Driveshaft - Any broken or loose center bearing bracket, bracket bolts or mounting hardware (OOS) 3 + 2 (OOS)  
396.3A1-DLDSJM Driveline/Driveshaft - Any horizontal or vertical movement of slip joint yoke shaft of greater than 1/2 inch, with hand pressure only. (OOS) 3 + 2 (OOS)  
396.3A1-BALAC Brake - Audible air leak from a brake chamber 4  
393.30-B Battery - Not protected 3  
10/23/2025 MD3284C00520 MD 5DX7097 MD STRAIGHT TRUCK   3
393.78A-WS Washers - Inoperative washing system. 1  
393.203E-CBP Cab and Body Parts - Cab front bumper missing/not secured/protruding 2  
393.55C1-B Air Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault. 4  
393.30-B Battery - Not protected 3  
10/14/2025 MD2345C00420 MD 8DP1205 MD STRAIGHT TRUCK   3
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative 6  
10/7/2025 MD2410C00487 MD 3GM1427 MD STRAIGHT TRUCK   3
392.2-SLLS4 State/Local Laws - Speeding 15 or more miles per hour over the speed limit 10  
9/16/2025 MD3059C00226 MD 8DP1205 MD STRAIGHT TRUCK   3
393.30-B Battery - Not protected 3  
393.9A-LFTSI Lighting - Front - Turn signal - inoperative 6  
9/15/2025 MD0310C00460 MD 3GM1427 MD STRAIGHT TRUCK   3
396.3A1-BALAC Brake - Audible air leak from a brake chamber 4  
8/21/2025 MD3284C00365 MD 8FA8754 MD STRAIGHT TRUCK   3
393.78A-WS Washers - Inoperative washing system. 1  
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)  
393.9A-LCL Lighting - Clearance lamp(s) inoperative 2  
6/30/2025 MD3245C00174 MD 6DT7775 MD STRAIGHT TRUCK   3
393.209D-STPAL Steering - Pitman arm loose on the output shaft (OOS) 6 + 2 (OOS)  
396.9D2-FTF Failing to correct the violation(s)/defect(s) noted on the roadside inspection report 4  
393.30-B Battery - Not protected 3  
6/26/2025 MD2355C00271 MD 6DT7775 MD STRAIGHT TRUCK   3
393.209D-STPAL Steering - Pitman arm loose on the output shaft (OOS) 6 + 2 (OOS)  
393.30-B Battery - Not protected 3  
393.9A-LLPL Lighting - License plate lamp inoperative 2  
6/25/2025 MD0295C00744 MD 8FA8754 MD STRAIGHT TRUCK   3
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  
6/24/2025 MD2257C00175 MD 8FA8754 MD STRAIGHT TRUCK   3
6/4/2025 MD0245C00054 MD 8FA8754 MD STRAIGHT TRUCK   3
391.15A-LNCDLNSRW Operating a non-CDL required commercial motor vehicle with driving privileges revoked, suspended, cancelled or otherwise disqualified. (391.15(a)) (OOS) 8 + 2 (OOS)  
4/3/2025 MD2141C00007 MD 2GJ9798 MD STRAIGHT TRUCK   2
393.9A-LFTSI Lighting - Front - Turn signal - inoperative 6  
3/13/2025 MD3230007962 MD 2GJ9798 MD STRAIGHT TRUCK   2
2/4/2025 MD0304005254 MD 2GJ9798 MD STRAIGHT TRUCK   2
393.45D-B Air Brake - Audible air leak at a proper connection 4  
393.9A-LIL Lighting - Identification lamp(s) inoperative 2  
393.209D-STYCIS Steering - Looseness of the yoke-coupling to the input shaft (OOS) 6 + 2 (OOS)  
393.209D-STSM Steering - Modified or has a condition that interferes with the free movement of steering (OOS) 6 + 2 (OOS)  
396.5B-HWSL Hubs - Wheel seal leaking (OOS) 2 + 2 (OOS)  
1/29/2025 VA9138000841 VA 3EK2501 MD STRAIGHT TRUCK   2
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  
393.55C1-B Air Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault. 4  
396.5B-L Lubrication - Oil or grease leak 3  
393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 4  
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)  
393.11A1-LCHL Lighting - Lamps improper color, height, location. 6  
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured 4  
1/16/2025 MD3245005394 MD 5DX7097 MD STRAIGHT TRUCK   2
1/15/2025 VA5284000396 VA 2GJ9798 MD STRAIGHT TRUCK   2
395.8A1-HOSP HOS (Property) - Failing to have a record of duty status using the method prescribed (OOS) 5 + 2 (OOS)  
1/13/2025 MD0296005989 MD 5DX7097 MD STRAIGHT TRUCK   2
391.41(a) Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency. History of either fail (OOS) 1 + 2 (OOS)  
393.45B2-B Air Brake - Hose/tubing damaged or not secured 4  
1/2/2025 MD3245005377 MD 6DT7775 MD STRAIGHT TRUCK   2
12/26/2024 MD2435000025 MD 9EM8188 MD STRAIGHT TRUCK   2
12/10/2024 MD3211005375 MD 5DX7097 MD STRAIGHT TRUCK   2
393.9A-HLLH Lighting - Headlamp(s) fail to operate on low and high beam 6  
11/8/2024 MD2345001302 MD 1GB4318 MD STRAIGHT TRUCK   1
396.3A1-BALR Air Brake - Fails air loss rate test (OOS) 4 + 2 (OOS)  
396.3A1-BALAC Brake - Audible air leak from a brake chamber 4  
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)  
393.78A-WS Washers - Inoperative washing system. 1  
11/7/2024 PAE927431225 PA 8FA8754 MD STRAIGHT TRUCK   1
393.95(a) No/discharged/unsecured fire extinguisher 2  
395.8A-NON-ELD No record of duty status when one is required (ELD Not Required) (OOS) 5 + 2 (OOS)  
396.17(c) Operating a CMV without proof of a periodic inspection 4  
10/25/2024 VA5284000311 VA 1GB4318 MD STRAIGHT TRUCK   1
393.55C2-B Air Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates 4  
393.78A-WS Washers - Inoperative washing system. 1  
10/21/2024 MD2516000190 MD 5FH8038 MD STRAIGHT TRUCK   1
393.9A-LIL Lighting - Identification lamp(s) inoperative 2  
10/21/2024 MD0228007264 MD 2GJ9798 MD STRAIGHT TRUCK   1
393.9A-HLLH Lighting - Headlamp(s) fail to operate on low and high beam 6  
9/12/2024 MD2410001094 MD 2GJ9798 MD STRAIGHT TRUCK   1
393.9H Inoperable head lamps 6  
393.95(f) Emergency Equipment - Stopped vehicle warning devices missing or improper 2  
8/3/2024 MD0286001883 MD 8FA8754 MD STRAIGHT TRUCK   1
393.9H Inoperable head lamps 6  
7/30/2024 MD2093007654 MD 8FA8754 MD STRAIGHT TRUCK   1
396.17(c) Operating a CMV without proof of a periodic inspection 4  
393.78 Wipers - Inoperative / missing / damaged wipers 1  
7/16/2024 MD2318007431 MD 8DP1205 MD STRAIGHT TRUCK   1
392.2WC Wheel (Mud) Flaps missing or defective 1  
391.45(b) Expired medical examiner's certificate 1  
7/11/2024 DE0400000662 DE 6DT7775 MD STRAIGHT TRUCK   1
392.2-SLLS2 State/Local Laws - Speeding 6-10 miles per hour over the speed limit 4  
6/20/2024 MD2329001794 MD 8DP1205 MD STRAIGHT TRUCK   1
392.82(a)1 Using a hand-held mobile telephone while operating a CMV 10  
5/20/2024 MD0278005448 MD 3EK2501 MD STRAIGHT TRUCK   1
5/8/2024 MD0226006604 MD 8FA8754 MD STRAIGHT TRUCK   1
391.15A-SIN Driving a CMV while disqualified. Suspended for safety-related or unknown reason and in the state of drivers license issuance (OOS) 8 + 2 (OOS)  
4/23/2024 MD0217003855 MD 9EM8188 MD STRAIGHT TRUCK   1
4/17/2024 MD0310003246 MD 6DT77775 MD STRAIGHT TRUCK   1
4/10/2024 MD0294005078 MD 1GB4318 MD STRAIGHT TRUCK   1
393.45(b)(2) Brake hose or tubing chafing and/or kinking 4  
4/8/2024 MD0294005066 MD 5FH8038 MD STRAIGHT TRUCK   1
393.60(c) Windshield - Damaged or Discolored 1  
393.9 Inoperable Required Lamp 2  
4/5/2024 MD0226006506 MD 5FH8038 MD STRAIGHT TRUCK   1
392.2LV Lane Restriction violation 3  
3/25/2024 MD0217003813 MD 3EK2501 MD STRAIGHT TRUCK   1
3/25/2024 MD0310003191 MD 6DT7775 MD STRAIGHT TRUCK   1
393.207(c) Leaf spring assembly defective/missing (OOS) 7 + 2 (OOS)  
396.3(a)(1) Inspection, repair and maintenance of parts and accessories 2  
3/11/2024 MD2319003406 MD 6DT7775 MD STRAIGHT TRUCK   1
1/29/2024 MD2325001244 MD 6DT7775 MD STRAIGHT TRUCK   1
392.2WC Wheel (Mud) Flaps missing or defective 1  
393.30 Improper battery installation 3  
393.78 Wipers - Inoperative / missing / damaged wipers 1  
1/22/2024 MD2310005016 MD 2ED8975 MD STRAIGHT TRUCK   1
1/18/2024 DC4412001011 DC 9EM8188 MD STRAIGHT TRUCK   1
1/5/2024 MD3211004385 MD 6DT7775 MD STRAIGHT TRUCK   1
383.23(a)(2) Operating a CMV without a CDL (OOS) 8 + 2 (OOS)  
1/4/2024 MD2355003390 MD 2ED8975 MD STRAIGHT TRUCK   1
393.9T Inoperable tail lamp (OOS) 6 + 2 (OOS)  
393.9 Inoperable Required Lamp 2  
1/4/2024 MD3230006581 MD 2ED8975 MD STRAIGHT TRUCK   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)  
393.47(a) Inadequate brakes for safe stopping - Brake Lining condition (OOS) 4 + 2 (OOS)  
12/21/2023 MD0310002985 MD 6DT7775 MD STRAIGHT TRUCK   1
393.207(c) Leaf spring assembly defective/missing (OOS) 7 + 2 (OOS)  
392.2WC Wheel (Mud) Flaps missing or defective 1  
12/13/2023 MD3245004440 MD 8FA8754 MD STRAIGHT TRUCK   1

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: 3

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)
9/25/2025 PA508880600X PA 2GJ9798 MD 0 2 Yes No 2 3 6
11/26/2024 MD24S0002821 MD 5FH8038 MD 0 1 Yes No
11/21/2024 PA500268600X PA 8FA8754 MD 0 1 Yes No 2 1 2
7/18/2024 MD24S0002821 MD 5DX7097 MD 0 0 Yes No 1 1 1

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.

  • 52
    • 13
    • 39
  • : 3

*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 Details

Enforcement Cases

(Six years as of 12/23/2025 updated monthly from FMCSA )

No penalties found

Tools/Resources

SMS Methodology How to Improve Request a Data Review
For U.S. DOT# 1701737
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