ROAD KING TRUCK LINES INC
AUTHORIZEDUSDOT
3439519
MC Number
1117299
Fleet Size
25
Total Drivers
28
FMCSA-derived snapshot updated: August 2, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
ROAD KING TRUCK LINES INC is a mid-size interstate motor carrier based in TRACY, California, operating 25 power units with 28 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 10.3% runs above the national average of 6.7%. They have 4 crashes on file. FMCSA records show 58 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in California is 9.1% and the average vehicle OOS rate is 22.6% across 319,565 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
58
Total
69%
Driver %
Insurance on file
Liability (BIPD)
MS TRANSVERSE SPECIALTY INSURANCE COMPANY — eff. Jun 11, 2025
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Source: Legacy FMCSA. Verify current filings directly with FMCSA before relying on them.
Crash history
4
Total Crashes
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Frequently asked questions
Is ROAD KING TRUCK LINES INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for ROAD KING TRUCK LINES INC (USDOT #3439519) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is ROAD KING TRUCK LINES INC's safety record?
ROAD KING TRUCK LINES INC has 58 inspections in CarrierOwl's current imported snapshot and 4 matching crashes. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does ROAD KING TRUCK LINES INC operate?
ROAD KING TRUCK LINES INC operates 25 power units with 28 drivers on file. That puts them in the mid-size range.
Does ROAD KING TRUCK LINES INC transport hazardous materials?
No. ROAD KING TRUCK LINES INC does not have a hazardous materials flag in the FMCSA database.
Where is ROAD KING TRUCK LINES INC located?
ROAD KING TRUCK LINES INC is based in TRACY, California at 474 W GRANT LINE RD #200, 95376. Phone: (209) 510-0455.
What are ROAD KING TRUCK LINES INC's out-of-service rates?
ROAD KING TRUCK LINES INC's driver out-of-service rate is 10.3%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 19.2%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.