What is MC number 1512884?

MC number 1512884 is assigned to Rock Towing Limited, a registered motor carrier with the FMCSA under USDOT number 4015070.

Is Rock Towing Limited Safe? DOT 4015070 – Safety Rating, Crashes & Violations

Q: How many inspections has Rock Towing Limited had?

Rock Towing Limited has recorded 6 total inspections, with 0 out-of-service orders.

This carrier is active with no crashes on record.

Rock Towing Limited is a registered motor carrier with the FMCSA under USDOT number 4015070. The company operates from Castle Rock, CO and maintains an active operating status with 2 power units and 1 drivers on record.

Safety Rating

FMCSA Safety Rating

— Not Rated

No formal safety rating has been assigned to Rock Towing Limited by the FMCSA. View official FMCSA record →

Inspection Summary

All-time Inspections

All-time

Total

OOS

Driver OOS

Vehicle OOS

6 inspections — relatively low volume, which may indicate a smaller or newer carrier.

OOS Rate0.00%

The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. This carrier has a 0% OOS rate — significantly better than the national average of ~21% for vehicles.

Crash History

✅No crashes reported (FMCSA data)

BASICS Safety Scores

BASICS Scores

Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories

22.5

Unsafe Driving

Measures violations related to speeding, reckless driving, and improper lane changes.

0.0

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.

6.1

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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Carrier Insight

Rock Towing Limited is a small motor carrier operating in Colorado. With 6 total inspections on record, the carrier has an out-of-service rate of 0.0%, which is below the national average of approximately 21%. No crashes have been reported in FMCSA records, which is a positive indicator for shippers and brokers evaluating this carrier.

Rock Towing Limited has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.

The company operates 2 power units and employs 1 driver. This is a small carrier operation.

Frequently Asked Questions

What is USDOT Number 4015070?

USDOT number 4015070 is assigned to Rock Towing Limited, an active motor carrier registered with the FMCSA, based in Castle Rock, CO.

How many inspections has Rock Towing Limited had?

Rock Towing Limited has recorded 6 total inspections with 0 out-of-service orders, representing an OOS rate of 0.00%.

Where is Rock Towing Limited located?

Rock Towing Limited is headquartered at 405 S Wilcox St Ste 103, Castle Rock, CO 80104.

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 Rock Towing Limited?

The MC number for Rock Towing Limited is MC# 1512884. 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# 4015070 · Last updated: 2026-03-09. View official FMCSA record →

Rock Towing Limited (DOT# 4015070 · MC# 1512884) – FMCSA Carrier Profile