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Truck Graph
25/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Gregg Simpson Trucking
DOT 1875477 · MC MC692026 · Ukiah, CA
Report generated: June 4, 2026 at 6:36 PM
✗Authorized for hire?
✗Active insurance?
✗Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Gregg Simpson Trucking (DOT 1875477, MC MC692026) is a California-based intrastate carrier headquartered in Ukiah, CA. As of June 4, 2026 at 6:36 PM, operating authority is active but without for-hire authority. TruckGraph has detected 2 risk signals on this carrier, including: crash with fatalities or injuries on record; no active insurance filing on record. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 4, 2026 at 6:36 PM.

FMCSA Public Record
Darlene Simpson
Operating as: Gregg Simpson Trucking
DOT Number1875477
MC NumberMC692026
Street250 LAKE MENDOCINO DR
City / StateUkiah, CA 95482
Phone7074681654
Operation typeIntrastate
HazmatNot authorized
Authority age17 yr 2 mo
MCS-150 filed05/06/2026
Company officerDarlene Simpson
Power units10
Total drivers5
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●Crash with fatalities or injuries on record
●No active insurance filing on record
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
OOS rate 0.0% vs. national avg 22.26% — below average
Network Intelligence Map
Carriers sharing an officer, address, or phone with Gregg Simpson Trucking
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Power Units
10
Fleet
Drivers
5
Total
Inspections
3
On record
Crashes
1
On record
OOS Rate
0.0%
↓ Avg 22.26%
Authority Age
17 yr 2 mo
Since 2009
Violation Categories — Last 24 Months
Hours of Service
3 insp (100%)
Unsafe Driving
3 insp (100%)
Driver Fitness
3 insp (100%)
Controlled Substances
3 insp (100%)
Vehicle Maintenance
2 insp (67%)· 2 viol
Inspection History
3 total · OOS rate 0.0%
DateStateLevelDriver OOSVehicle OOSResult
12/10/2025CAI00Pass
9/2/2025CAI00Pass
10/2/2025CAIII00Pass
Crash History
1 total on record
DateStateFatalitiesInjuriesTow-away
—CA01Y
Insurance Status
⚠ No active insurance filing on record
Verify insurance directly with carrier before tendering any load.
Location
250 LAKE MENDOCINO DR, Ukiah, CA, 95482 · Open in Maps →
250 LAKE MENDOCINO DR, UKIAH, CA, 95482Open in Maps →
Authority Timeline
Authority GrantedApr 2009
FMCSA issued operating authority
Active USDOT — No for-hire authorityCurrent
USDOT record is active but no for-hire operating authority is currently granted

Source: FMCSA compliance records, inspection data, crash records, insurance filings, and TruckGraph analysis. View methodology

Important Legal Notice

Data sourced from FMCSA public records and TruckGraph independent analysis. This is not legal advice, not a guarantee of carrier safety, and not a compliance certification. Verify through official FMCSA sources before tendering. Last synced: .

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Frequently Asked Questions

Is Darlene Simpson authorized to operate?

Darlene Simpson's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is Darlene Simpson's safety record?

Darlene Simpson has 3 roadside inspections on record with an out-of-service rate of 0.0%. Crash history shows 1 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Darlene Simpson operate?

Darlene Simpson operates 10 power units with approximately 5 drivers.

Is Darlene Simpson insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has Darlene Simpson had any risk indicators?

Darlene Simpson has a risk score of 25/100 (Caution) with 2 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Darlene Simpson?

Darlene Simpson's DOT number is 1875477 and MC number is MC692026. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Gregg Simpson Trucking Safety Record, DOT 1875477. Retrieved from https://truckgraph.com/carriers/1875477
MLA
"Gregg Simpson Trucking Safety Record, DOT 1875477." Truck Graph, Jun 4, 2026, https://truckgraph.com/carriers/1875477
Chicago
"Gregg Simpson Trucking Safety Record, DOT 1875477." Truck Graph. Last modified June 4, 2026. https://truckgraph.com/carriers/1875477