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Robertson'S Ready Mix Ltd (DOT# 256299) – FMCSA Carrier Profile

DOT# 256299MC# 1040325● Active
Updated: 2026-03-09

Robertson'S Ready Mix Ltd is a registered motor carrier with the FMCSA under USDOT number 256299. The company operates from Corona, CA and maintains an active operating status with 1,239 power units and 1,239 drivers on record.

Safety Rating

FMCSA Safety Rating
✓ Satisfactory
Rated: February 1, 1989

Robertson'S Ready Mix Ltd holds a "Satisfactory" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that the carrier has been found to comply with federal safety regulations based on the most recent compliance review conducted by FMCSA. View official FMCSA record →

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Company Information

Address200 S Main St #200, Corona, CA, 92882
Phone(951) 685-4600
EmailHR@rrmca.com
Entity TypePrivate Property
OperationInterstate
Power Units1,239
Drivers1,239
MCS-150 FiledJuly 22, 2025
Annual Mileage30,836,278 mi (2024)
All carriers in California→Carriers in Corona, CA→

Inspection Summary

All-time Inspections
All-time
186
Total
29
OOS
5
Driver OOS
24
Vehicle OOS
OOS Rate15.59%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.

Crash History

Crash Records
All-time
25
Total
0
Fatal
12
Injuries
0
Tow-Away

BASICS Safety Scores

BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories
0.1
Unsafe Driving
0.0
HOS Compliance
0.1
Driver Fitness
0.0
Controlled Substances
2.4
Vehicle Maintenance
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Frequently Asked Questions

What is USDOT Number 256299?
USDOT number 256299 is assigned to Robertson'S Ready Mix Ltd, an active motor carrier registered with the FMCSA, based in Corona, CA.
What is the safety rating of Robertson'S Ready Mix Ltd?
Robertson'S Ready Mix Ltd has a safety rating of Satisfactory as of February 1, 1989.
How many inspections has Robertson'S Ready Mix Ltd had?
Robertson'S Ready Mix Ltd has recorded 186 total inspections with 29 out-of-service orders, representing an OOS rate of 15.59%.
Where is Robertson'S Ready Mix Ltd located?
Robertson'S Ready Mix Ltd is headquartered at 200 S Main St #200, Corona, CA 92882.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 256299 · Last updated: 2026-03-09. View official FMCSA record →