Road King Truck Lines Inc (DOT# 3439519 · MC# 1117299) – FMCSA Carrier Profile
DOT# 3439519MC# 1117299● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
Road King Truck Lines Inc is a registered motor carrier with the FMCSA under USDOT number 3439519. The company operates from Tracy, CA and maintains an active operating status with 25 power units and 28 drivers on record.
Safety Rating
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Company Information
Address474 W Grant Line Rd #200, Tracy, CA, 95376
Phone(209) 510-0455
Entity TypeAuthorized For Hire
OperationInterstate
Power Units25(Medium carrier)
Drivers28
MCS-150 FiledAugust 15, 2025
Annual Mileage2,788,370 mi (2024)
Inspection Summary
All-time Inspections
All-time60
Total
13
OOS
7
Driver OOS
6
Vehicle OOS
60 inspections reflects moderate road activity.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 21.7% — above the national vehicle OOS average of ~21%. Review BASICS scores below.
Crash History
Crash Records
All-time5
Total
0
Fatal
1
Injuries
0
Tow-Away
5 crashes on record. This is within a common range for active carriers — assess relative to fleet size and inspection volume.
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories3.9
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
2.4
HOS Compliance
Tracks hours-of-service violations, including driving beyond legal limits without rest.
0.1
Driver Fitness
Reflects issues with driver qualifications, licenses, and medical certifications.
0.0
Controlled Substances
Captures drug and alcohol violations, including failed or refused tests.
6.3
Vehicle Maintenance
Reflects brake, tire, lighting, and other equipment-related inspection violations.
Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.
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Frequently Asked Questions
What is USDOT Number 3439519?
USDOT number 3439519 is assigned to Road King Truck Lines Inc, an active motor carrier registered with the FMCSA, based in Tracy, CA.
How many inspections has Road King Truck Lines Inc had?
Road King Truck Lines Inc has recorded 60 total inspections with 13 out-of-service orders, representing an OOS rate of 21.67%.
Where is Road King Truck Lines Inc located?
Road King Truck Lines Inc is headquartered at 474 W Grant Line Rd #200, Tracy, CA 95376.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
What is the MC number for Road King Truck Lines Inc?
The MC number for Road King Truck Lines Inc is MC# 1117299. The MC number is issued by the FMCSA and authorizes carriers to operate in interstate commerce.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 3439519 · Last updated: 2026-03-09. View official FMCSA record →