DIAMOND PLUS TRANSPORTATION INC
USDOT 2574313 • 20510 BIND COURT, WALNUT, CA, 91789
Overview
Company profile from FMCSA Census File
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Operating Authority
| Authority Type | Docket # | Status | Original Date | Final Date |
|---|---|---|---|---|
| Contract Carrier | MC-900164 | ACTIVE | Unknown | Feb 2, 2026 |
Active Insurance (1)
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| SOUTHLAKE SPECIALTY INSURANCE COMPANY | BIPD/Primary | TMA81003312 | ON FILE | Jan 30, 2025 | Jan 30, 2026 |
Insurance History (10 canceled/expired)
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| SOUTHLAKE SPECIALTY INSURANCE COMPANY | BIPD/Primary | TMA71004615 | CANCELLED | Jan 30, 2024 | Jan 30, 2025 |
| SOUTHLAKE SPECIALTY INSURANCE COMPANY | BIPD/Primary | TMA22101634 | CANCELLED | Jan 30, 2023 | Jan 30, 2024 |
| UNITED SPECIALTY INSURANCE COMPANY | BIPD/Primary | GWP80225 00 | REPLACED | Jan 30, 2022 | Jan 30, 2023 |
| UNITED SPECIALTY INSURANCE COMPANY | BIPD/Primary | GWP63155 00 | REPLACED | Jan 30, 2021 | Jan 30, 2022 |
| UNITED SPECIALTY INSURANCE COMPANY | BIPD/Primary | GWP52441 00 | REPLACED | Jan 30, 2020 | Jan 30, 2021 |
| UNITED SPECIALTY INSURANCE COMPANY | BIPD/Primary | GWP42108 00 | CANCELLED | Jan 30, 2019 | Jan 30, 2020 |
| UNITED SPECIALTY INSURANCE COMPANY | BIPD/Primary | GWP31363 00 | REPLACED | Jan 30, 2018 | Jan 30, 2019 |
| WESCO INSURANCE COMPANY | BIPD/Primary | WMC1431918 | CANCELLED | Jan 30, 2017 | Jan 30, 2018 |
| WESCO INSURANCE COMPANY | BIPD/Primary | WMC1431918 | CANCELLED | Jan 30, 2016 | Jan 30, 2017 |
| CASTLEPOINT NATIONAL INSURANCE CO | BIPD/Primary | BAPBZ1137615 | CANCELLED | Jan 30, 2015 | Jan 30, 2016 |
Insurance Events Timeline
| Event | Insurer | Policy # | Type | Event Date | Cancel Date |
|---|---|---|---|---|---|
| CANCEL | SOUTHLAKE SPECIALTY INSURANCE COMPANY | TMA81003312 | BIPD/Primary | Jan 30, 2026 | Jan 30, 2026 |
| CANCEL | SOUTHLAKE SPECIALTY INSURANCE COMPANY | TMA71004615 | BIPD/Primary | Jan 30, 2025 | Jan 30, 2025 |
| CANCEL | SOUTHLAKE SPECIALTY INSURANCE COMPANY | TMA22101634 | BIPD/Primary | Jan 30, 2024 | Jan 30, 2024 |
| TERM/REPL | UNITED SPECIALTY INSURANCE COMPANY | GWP80225 00 | BIPD/Primary | Jan 30, 2023 | Jan 30, 2023 |
| TERM/REPL | UNITED SPECIALTY INSURANCE COMPANY | GWP63155 00 | BIPD/Primary | Jan 30, 2022 | Jan 30, 2022 |
| TERM/REPL | UNITED SPECIALTY INSURANCE COMPANY | GWP52441 00 | BIPD/Primary | Jan 30, 2021 | Jan 30, 2021 |
| CANCEL | UNITED SPECIALTY INSURANCE COMPANY | GWP42108 00 | BIPD/Primary | Jan 30, 2020 | Jan 30, 2020 |
| TERM/REPL | UNITED SPECIALTY INSURANCE COMPANY | GWP31363 00 | BIPD/Primary | Jan 30, 2019 | Jan 30, 2019 |
| CANCEL | WESCO INSURANCE COMPANY | WMC1431918 | BIPD/Primary | Jan 30, 2018 | Jan 30, 2018 |
| CANCEL | WESCO INSURANCE COMPANY | WMC1431918 | BIPD/Primary | Jan 30, 2017 | Jan 30, 2017 |
| CANCEL | CASTLEPOINT NATIONAL INSURANCE CO | BAPBZ1137615 | BIPD/Primary | Jan 30, 2016 | Jan 30, 2016 |
Authority Action History (8 events)
| Docket | Authority Type | Original Action | Served Date | Disposition | Decided Date |
|---|---|---|---|---|---|
| MC900164 | CONTRACT | INVOLUNTARY REVOCATION | Jan 5, 2026 | DISCONTINUED REVOCATION | Feb 2, 2026 |
| MC900164 | CONTRACT | INVOLUNTARY REVOCATION | Jan 3, 2025 | DISCONTINUED REVOCATION | Jan 22, 2025 |
| MC900164 | CONTRACT | INVOLUNTARY REVOCATION | Jan 3, 2024 | DISCONTINUED REVOCATION | Jan 23, 2024 |
| MC900164 | CONTRACT | INVOLUNTARY REVOCATION | Jan 3, 2020 | DISCONTINUED REVOCATION | Jan 29, 2020 |
| MC900164 | CONTRACT | INVOLUNTARY REVOCATION | Jan 3, 2018 | DISCONTINUED REVOCATION | Jan 30, 2018 |
| MC900164 | CONTRACT | INVOLUNTARY REVOCATION | Jan 3, 2017 | DISCONTINUED REVOCATION | Feb 3, 2017 |
| MC900164 | CONTRACT | INVOLUNTARY REVOCATION | Jan 4, 2016 | DISCONTINUED REVOCATION | Feb 1, 2016 |
| MC900164 | MOTOR PROPERTY CONTRACT CARRIER | GRANTED | Feb 13, 2015 | — | Unknown |
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
Inspection Activity Map
14 states • 80 inspections
Violation Summary (146 violations from 80 inspections)
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:396.17C-PI | No proof of periodic inspection | 10 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.47E | Slack adjuster defective | 7 | 0 | 7 | Vehicle Maintenance |
| FMCSR:396.3(a)(1) | Inspection/repair/maintenance - general | 5 | 1 | 5 | Vehicle Maintenance |
| FMCSR:396.3A1-BOS | 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 | 4 | 4 | — | Vehicle Maintenance |
| FMCSR:393.45D-B | Brake tubing/hoses inadequate | 4 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.48A-BIBD | Inoperative/defective brakes | 4 | 0 | 8 | Vehicle Maintenance |
| FMCSR:395.30B2-ELDDFC24 | HOS (ELD) - Driver failing to certify the record immediately after the final required entry has been made or corrected for the 24 hour period. | 4 | 0 | — | Hours Of Service |
| FMCSR:396.17(c) | No proof of periodic inspection | 4 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.75(a)(3) | Tire-flat and/or audible air leak | 4 | 4 | — | Vehicle Maintenance |
| FMCSR:395.22H2-ELDNISDT | HOS (ELD) Driver failing to have instruction sheet describing the data transfer mechanisms supported by the ELD and step-by-step instructions for the driver to pr | 3 | 0 | — | Hours Of Service |
| FMCSR:396.5B-L | Fuel system leak | 3 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.45B2-B-AIR | Brake tubing/hoses inadequate | 3 | 1 | 7 | Vehicle Maintenance |
| FMCSR:393.45B2-B | Brake tubing/hoses inadequate | 3 | 1 | 7 | Vehicle Maintenance |
| FMCSR:392.2 | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:393.9A-HLLH | Inoperable required lamps | 2 | 0 | 3 | Vehicle Maintenance |
| FMCSR:392.2-SLLSR | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR: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 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLSOA | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR:396.3A1-BALAC | Brake - Audible air leak from a brake chamber | 2 | 2 | — | Vehicle Maintenance |
| FMCSR:393.43B-BATV | Brake - relay emergency valve | 2 | 0 | 7 | Vehicle Maintenance |
| FMCSR:396.5B-HWSL | Fuel system leak | 2 | 2 | 7 | Vehicle Maintenance |
| FMCSR:395.8E-HOSPDOOS | False record of duty status | 2 | 2 | 10 | Hours Of Service |
| FMCSR:393.45(b)(2) | Brake tubing/hoses inadequate | 2 | 1 | 7 | Vehicle Maintenance |
| FMCSR:392.22(a) | Emergency warning devices not displayed | 2 | 0 | 4 | Vehicle Maintenance |
| FMCSR:392.22(b) | Failure to place or improper placement of warning devices on the road surface | 2 | 0 | — | Unsafe Driving |
| FMCSR:395.8(e)(1) | 395.8(e)(1) | 2 | 0 | — | Hours Of Service |
| FMCSR:393.201A-VFC | Frame - cracked/loose/broken | 1 | 1 | 8 | Vehicle Maintenance |
| FMCSR:393.9A-LFTSI | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.207A-STBW | Suspension defective | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:393.47A-BCLMBD | Brake chamber - cracked/broken | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:393.45B2-BHTD | Brake tubing/hoses inadequate | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:396.3A1-BALR | Air Brake - Fails air loss rate test | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:393.203C-CBP | Cab and Body Parts - Hood not securely fastened | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.55D2-B | Coupling device/towing methods defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:395.22H1-ELDNUM | HOS (ELD) - In-Vehicle Information - No user's manual for the driver describing how to operate the ELD. (May be electronic) | 1 | 0 | — | Hours Of Service |
| FMCSR:395.22H3-ELDMF | HOS (ELD) - In-Vehicle Information - Failing to have an instruction sheet for the driver describing ELD malfunction reporting requirements and recordkeeping proce | 1 | 0 | — | Hours Of Service |
| FMCSR:393.45A-BHTBS | Brake tubing/hoses inadequate | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:393.207A-SAPPAS | Suspension defective | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:396.3A1-DLDSCBBP | Driveline/Driveshaft - More than 1/2 inch (12.7mm) vertical movement (with hand pressure only) of the shaft in the center bearing carrier. | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:393.47D1-BLTBD-SA | Brake actuators/chambers defective | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:393.207F-SDAS | Suspension - Deflated air suspension | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:393.207F-SLAS | Suspension - Leaking 3 PSI in 5 minutes | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLEQP | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:396.5B-HWSLIW | Fuel system leak | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:395.20BELDNV | Short-haul operations - timecard not maintained | 1 | 0 | 3 | Hours Of Service |
| FMCSR:392.22A-D | Emergency warning devices not displayed | 1 | 0 | 4 | Vehicle Maintenance |
| FMCSR:392.22B-DFPWD | Driver - Failed to place warning devices on the road surface | 1 | 0 | — | Unsafe Driving |
| FMCSR:393.9TS | Inoperative turn signal | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:395.8E | False record of duty status | 1 | 1 | 10 | Hours Of Service |
| FMCSR:396.3A1B | Brakes (general) Explain: | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:396.5B | Fuel system leak | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:392.2-SLLIFTA | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:393.53B-B | Steering system components worn | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:395.8D11-HOSF | 395.8D11-HOSF | 1 | 0 | — | Hours Of Service |
| FMCSR:393.9A-LCL | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:395.8E-HOSPD | False record of duty status | 1 | 0 | 10 | Hours Of Service |
| FMCSR:393.9A-LLPL | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.95F | Emergency Equipment - Stopped vehicle warning devices missing or improper | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:395.30B1-ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | 1 | 0 | — | Hours Of Service |
| FMCSR:393.205A-WRC | Wheel/rim defective | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.45B2-B-VAC | Brake tubing/hoses inadequate | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.75A3 | Tire-flat and/or audible air leak | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:393.9A-LHLI | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.45D-BAAL | Brake tubing/hoses inadequate | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:395.24C2II-ELDTN | HOS (ELD) - Driver failing to manually input or verify CMV trailer number. | 1 | 0 | — | Hours Of Service |
| FMCSR:393.75(c) | Tire tread depth insufficient (other axles) | 1 | 0 | 5 | Vehicle Maintenance |
| FMCSR:393.95(a)(4) | 393.95(a)(4) | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.24(a) | Lighting/marking on projecting loads | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.60(c) | Glazing/window obstructions | 1 | 0 | 4 | Vehicle Maintenance |
| FMCSR:395.24 | HOS (ELD) - ELD Form and Manner | 1 | 0 | — | Hours Of Service |
| FMCSR:395.24(c)(2)(ii) | Driver failed to manually add the trailer number | 1 | 0 | — | Hours Of Service |
| FMCSR:395.24(c)(2)(iii) | Driver failed to manually add shipping document number | 1 | 0 | — | Hours Of Service |
| FMCSR:395.30(b)(1) | Driver failed to certify the accuracy of the information gathered by the ELD | 1 | 0 | — | Hours Of Service |
| FMCSR:395.8(a)(1) | Not using the appropriate method to record hours of service | 1 | 1 | — | Hours Of Service |
| FMCSR:392.2-SLML | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:395.3(a)(3)(i) | 395.3(a)(3)(i) | 1 | 0 | — | Hours Of Service |
| FMCSR:395.3(a)(2) | Driving beyond 11-hour driving limit | 1 | 0 | 7 | Hours Of Service |
| FMCSR:393.9(a) | Inoperable required lamps | 1 | 1 | 3 | Vehicle Maintenance |
| FMCSR:393.47(e) | Slack adjuster defective | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.53(b) | Steering system components worn | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.48(a) | Inoperative/defective brakes | 1 | 1 | 8 | Vehicle Maintenance |
| FMCSR:393.11 | Lighting devices/reflectors | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.45 | Brake tubing/hoses inadequate | 1 | 1 | 7 | Vehicle Maintenance |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (80 inspections)
Showing 50 of 80
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
Most frequent inspection stations
Violations by BASIC category
Recent Crashes
4 crash records from FMCSA Crash File
Crash History (4 records)
| Date | State | Severity | Fatalities | Injuries | City | Location | VIN | Carrier Name at Crash |
|---|---|---|---|---|---|---|---|---|
| Mar 9, 2024 | OK | TOW | 0 | 0 | DEL CITY | TINKER DIAGONAL | ...LU7231 | DIAMOND PLUS TRANSPORTATION INC |
| Jul 28, 2023 | AZ | INJURY | 0 | 1 | UNKNOWN | I-10@M177 | ...GT7312 | DIAMOND PLUS TRANSPORTATION INC |
| Feb 18, 2021 | AR | TOW | 0 | 0 | RURAL(ST FRANCIS COUNTY) | I40W | ...FP8883 | DIAMOND PLUS TRANSPORTATION INC |
| Jan 6, 2021 | AL | TOW | 0 | 0 | RURAL TUSCALOOSA | I-59 | ...FY1675 | DIAMOND PLUS TRANSPORTATION INC |
Compliance Timeline
16 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records