TruckCodex

DIAMOND ROAD LINES INC

USDOT 3559428 • 4314 STRATHMORE PL, MERCED, CA, 95348

ACTIVEMotor Carrier
Authority:1 active
Insurance:1 current
BOC-3:On file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT
3,559,428
Status
ACTIVE
Operation
Interstate
Business Type
Motor Carrier
State
California
Phone
4086148053
Email
[email protected]
Power Units (MCS-150)
5
Drivers (MCS-150)
10
MCS-150 Mileage
884,110
BOC-3 Agent
DOTPROCESSAGENTS.COM LLC
Physical Address
4314 STRATHMORE PL, MERCED, CA, 95348
Contact
Phone: 4086148053

Risk Signals1 flagged

MEDIUM
Elevated driver OOS rate: 12.5%
National average is 6.7%. This carrier's driver OOS rate is 5.8 percentage points above average.

Signals are auto-detected from FMCSA public records. This is not a regulatory determination.

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Common Carrier — Active
Active Authority
1
Revoked / Inactive
0
Authority Types
1
Insurance Policies
1 active
Latest: Sep 1, 2025
BOC-3 Filing
On file

Operating Authority

fmcsa-authhistApr 5, 2026
Operating Authority
Authority TypeDocket #StatusOriginal DateFinal Date
Common CarrierMC-1194944ACTIVEUnknownJan 29, 2026

Active Insurance (1)

fmcsa-insurApr 5, 2026
Active Insurance (1)
InsurerTypePolicy #StatusEffectiveCancel Date
SOUTHLAKE SPECIALTY INSURANCE COMPANYBIPD/PrimaryTMA91000346ON FILESep 1, 2025Jan 28, 2026

Insurance History (4 canceled/expired)

fmcsa-inshist-allwithhistory
Insurance History (4 canceled/expired)
InsurerTypePolicy #StatusEffectiveCancel Date
SOUTHLAKE SPECIALTY INSURANCE COMPANYBIPD/PrimaryTMA91000346CANCELLEDSep 1, 2025Feb 21, 2026
SOUTHLAKE SPECIALTY INSURANCE COMPANYBIPD/PrimaryTMA81000661CANCELLEDSep 1, 2024Sep 1, 2025
SECURITY NATIONAL INSURANCE CO.BIPD/PrimarySMC1815250CANCELLEDSep 1, 2023Sep 1, 2024
BULLDOG NATIONAL RRG GROUP INCBIPD/PrimaryATG-CA-0005782-22CANCELLEDSep 1, 2022Sep 1, 2023

Insurance Events Timeline

fmcsa-insur-hist
Insurance Events Timeline
EventInsurerPolicy #TypeEvent DateCancel Date
TERM/CANCLSOUTHLAKE SPECIALTY INSURANCE COMPANYTMA91000346BIPD/PrimaryFeb 21, 2026Feb 21, 2026
TERM/REPLSOUTHLAKE SPECIALTY INSURANCE COMPANYTMA91000346BIPD/PrimaryJan 28, 2026Jan 28, 2026
CANCELSOUTHLAKE SPECIALTY INSURANCE COMPANYTMA81000661BIPD/PrimarySep 1, 2025Sep 1, 2025
CANCELSECURITY NATIONAL INSURANCE CO.SMC1815250BIPD/PrimarySep 1, 2024Sep 1, 2024
CANCELBULLDOG NATIONAL RRG GROUP INCATG-CA-0005782-22BIPD/PrimarySep 1, 2023Sep 1, 2023

Authority Action History (6 events)

fmcsa-authhist-blob
Authority Action History (6 events)
DocketAuthority TypeOriginal ActionServed DateDispositionDecided Date
MC1194944COMMONINVOLUNTARY REVOCATIONJan 26, 2026DISCONTINUED REVOCATIONJan 29, 2026
MC1194944COMMONINVOLUNTARY REVOCATIONAug 5, 2025DISCONTINUED REVOCATIONAug 29, 2025
MC1194944COMMONINVOLUNTARY REVOCATIONAug 5, 2024DISCONTINUED REVOCATIONSep 3, 2024
MC1194944COMMONINVOLUNTARY REVOCATIONAug 7, 2023DISCONTINUED REVOCATIONSep 5, 2023
MC1194944MOTOR PROPERTY COMMON CARRIERGRANTEDSep 23, 2022—Unknown
MC1194944MOTOR PROPERTY COMMON CARRIERDISMISSEDMar 9, 2021—Unknown

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Hours of Service
53%
Unsafe Driving
63%

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections
16
Violations
30
7 OOS
Vehicle OOS %
12.5%
Driver OOS %
12.5%
Above nat'l avg (6.7%)
Power Units (MCS-150)
5
Drivers (MCS-150)
10
Crash Records
0

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May
Jun
Jul
Aug
Sep
2
Oct
Nov
1
Dec
1
Jan
1
Feb
2
Mar
Apr
May
Jun
Jul
2
Aug
Sep
Oct
4
Nov
1
Dec
Jan
Feb
Mar
Apr
Clean monthMonth with OOSBased on latest 16 of 16 inspection records

Inspection Activity Map

10 states • 16 inspections

🚛
None Low Medium High🚛 Home base

Violation Summary (30 violations from 16 inspections)

fmcsa-inspection-file
Violation Summary (30 violations from 16 inspections)
CodeDescription# Violations# OOSSeverity WtBASIC
FMCSR:396.3(a)(1)Inspection/repair/maintenance - general335Vehicle Maintenance
FMCSR:393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecured20—Vehicle Maintenance
FMCSR:393.9A-LFTSIInoperable required lamps203Vehicle Maintenance
FMCSR:395.30B1-ELDDFRHOS (ELD) - Driver failing to review records and certify the accuracy of the information.20—Hours Of Service
FMCSR:392.2-SLLMFOperating a CMV while ill or fatigued208Unsafe Driving
FMCSR:393.75C-TAOTD-LT2/32Tire tread depth insufficient (other axles)205Vehicle Maintenance
FMCSR:393.75A2-TAOTLMTires - All others 75% of the tread width is loose/missing in excess of 12 inches of circumference11—Vehicle Maintenance
FMCSR:395.8E-HOSPDFalse record of duty status1110Hours Of Service
FMCSR:393.9A-LILInoperable required lamps103Vehicle Maintenance
FMCSR:395.8E-HOSPDOOSFalse record of duty status1110Hours Of Service
FMCSR:393.45B2-B-AIRBrake tubing/hoses inadequate107Vehicle Maintenance
FMCSR:395.8D9-HOSF395.8D9-HOSF10—Hours Of Service
FMCSR:392.16-DFailing to use seat belt (49 CFR)103Unsafe Driving
FMCSR:392.2-SLLUPOperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:396.17C-PINo proof of periodic inspection103Vehicle Maintenance
FMCSR:392.2-SLLS2Speeding 6-10 mph over limit105Unsafe Driving
FMCSR:393.60CGlazing/window obstructions104Vehicle Maintenance
FMCSR:393.55E-BCoupling device/towing methods defective108Vehicle Maintenance
FMCSR:392.2-SLLEWA1Operating a CMV while ill or fatigued108Unsafe Driving
FMCSR:393.45(b)(2)Brake tubing/hoses inadequate107Vehicle Maintenance
FMCSR:393.55(e)Coupling device/towing methods defective108Vehicle Maintenance
FMCSR:392.7(a)Driver failing to conduct pre-trip inspection10—Unsafe Driving
FMCSR:393.45Brake tubing/hoses inadequate117Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate
12.5%vs nat'l 23.4%
-10.9 pts below avg
Driver OOS Rate
12.5%vs nat'l 6.7%
+5.8 pts above avg
Violations / Inspection
1.88vs nat'l 1.80
On par with national average

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (16 inspections)

fmcsa-inspectionsApr 5, 2026
Inspection History (16 inspections)
DateReport #StationStateLevelVehicleViolationsTop CodesOOS
Dec 1, 202586466314LITTLEFIELD AZAZLevel 2UTILITY SEMI-TRAILER2393.75A2-TAOTLM, 395.8E-HOSPDYes
Nov 20, 2025863880572155 COOPER AVECALevel 5UTIL SEMI-TRAILER0—No
Nov 20, 2025863880582155 COOPER AVECALevel 5MACK TRUCK TRACTOR1393.95A4-EEUSNo
Nov 20, 2025863880562155 COOPER AVECALevel 5GDAN SEMI-TRAILER0—No
Nov 5, 202586255975EB I-94@119MMMILevel 2UTIL SEMI-TRAILER3393.9A-LFTSI, 393.9A-LIL, 395.8E-HOSPDOOSYes
Aug 9, 202585458928NORTH PLATTE WEST BOUNDNELevel 1UTIL SEMI-TRAILER3393.45B2-B-AIR, 395.30B1-ELDDFR, 395.8D9-HOSFNo
Aug 2, 202585392524LITTLEFIELD AZAZLevel 2MACK TRUCK TRACTOR4393.95A4-EEUS, 392.2-SLLMF, 392.16-DNo
Mar 25, 202584229461255 I 80 WWYLevel 3UTIL SEMI-TRAILER1392.2-SLLUPNo
Mar 20, 202584208232I80IALevel 3GDAN SEMI-TRAILER0—No
Feb 27, 202583993016PLUMERVILLE ARARLevel 3MACK TRUCK TRACTOR2396.17C-PI, 392.2-SLLS2No
Jan 19, 202583677218FLAGSTAFF AZAZLevel 2FREIGHTLIN TRUCK TRACTOR4393.75C-TAOTD-LT2/32, 393.60C, 392.2-SLLMFNo
Dec 11, 202483385181NASHVILLE TNTNLevel 3FREIGHTLIN TRUCK TRACTOR0—No
Oct 26, 202483013198ST. GEORGE UTUTLevel 1UTILITY SEMI-TRAILER3393.55E-B, 392.2-SLLEWA1, 393.9A-LFTSINo
Oct 24, 202483031291CACHE CREEKCALevel 1MACK TRUCK TRACTOR0—No
Sep 22, 202379753101TROUTVILLE SCALES NORTHVALevel 1GDAN SEMI-TRAILER2393.45(b)(2), 393.55(e)No
Sep 21, 202379730439THP 10 KNOX SCALES- EASTTNLevel 1MACK TRUCK TRACTOR5396.3(a)(1), 392.7(a), 393.45Yes

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

14 total · 14.3% OOS
2024-102025-12
InspectionsOOS

Most frequent inspection stations

2155 COOPER AVE3
LITTLEFIELD AZ2 · 1 OOS
CACHE CREEK1
I801
EB I-94@119MM1 · 1 OOS
NORTH PLATTE WEST BOUND1
NASHVILLE TN1
THP 10 KNOX SCALES- EAST1 · 1 OOS

Violations by BASIC category

Compliance Timeline

6 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records

Feb 21, 2026
Insurance
Insurance term/cancl
SOUTHLAKE SPECIALTY INSURANCE COMPANY • BIPD/Primary
Jan 29, 2026
Authority
Common Carrier authority active
Docket MC-1194944
Jan 28, 2026
Insurance
Insurance term/repl
SOUTHLAKE SPECIALTY INSURANCE COMPANY • BIPD/Primary
Sep 1, 2025
Insurance
Insurance cancel
SOUTHLAKE SPECIALTY INSURANCE COMPANY • BIPD/Primary
Sep 1, 2024
Insurance
Insurance cancel
SECURITY NATIONAL INSURANCE CO. • BIPD/Primary
Sep 1, 2023
Insurance
Insurance cancel
BULLDOG NATIONAL RRG GROUP INC • BIPD/Primary

Related Records

Related records

StateAll entities in California
Browse carriers, brokers, and FFs in CA
CityEntities in MERCED, CA
Browse by city
AuthorityMC-1194944 Certificate
Common Carrier — Download free PDF
Crashes0 crash records
FMCSA Crash File
Inspections16 inspection records
Full inspection history
Station2155 COOPER AVE
3 inspections at this station
StationLITTLEFIELD AZ
2 inspections at this station
StationEB I-94@119MM
1 inspection at this station
BOC-3 AgentDOTPROCESSAGENTS.COM LLC
Process agent on file
InsurerSOUTHLAKE SPECIALTY INSURANCE COMPANY
View all policies from this insurer
CertificatesAuthority Certificate Lookup
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RecallsRecalls & safety data
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Data sources & freshness

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
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026