Southquest Transportation Llc (DOT# 2489783 · MC# 862182) – FMCSA Carrier Profile

DOT# 2489783MC# 862182● Active
Updated monthly · 2026-03-09

This carrier is active with a Satisfactory safety rating.

Southquest Transportation Llc is a registered motor carrier with the FMCSA under USDOT number 2489783. The company operates from Summerville, SC and maintains an active operating status with 12 power units and 13 drivers on record.

Safety Rating

FMCSA Safety Rating
Satisfactory
Rated: November 12, 2025

Southquest Transportation Llc 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

Address258 Deming Way, Summerville, SC, 29483
Phone(843) 970-2940
Entity TypeAuthorized For Hire
OperationInterstate
Power Units12(Medium carrier)
Drivers13
MCS-150 FiledDecember 4, 2025
Annual Mileage285,095 mi (2024)
All carriers in South CarolinaCarriers in Summerville, SC

Inspection Summary

All-time Inspections
All-time
25
Total
4
OOS
0
Driver OOS
4
Vehicle OOS
25 inspections reflects moderate road activity.
OOS Rate16.00%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 16.0% — approaching the national vehicle OOS average of ~21%.

Crash History

Crash Records
All-time
1
Total
0
Fatal
0
Injuries
0
Tow-Away
1 crash recorded. Low count, but crash data should always be reviewed alongside inspection history.

BASICS Safety Scores

BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories
1.1
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.
2.4
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

Southquest Transportation Llc is a medium-sized motor carrier operating in South Carolina. With 25 total inspections on record, the carrier has an out-of-service rate of 16.0%, which is below the national average of approximately 21%. 1 crash has been reported. Review crash details alongside fleet size and inspection history before making hiring decisions.

A Satisfactory rating from the FMCSA indicates that Southquest Transportation Llc meets federal safety standards based on the most recent compliance review. This is the highest rating a carrier can receive.

The company operates 12 power units and employs 13 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 2489783?
USDOT number 2489783 is assigned to Southquest Transportation Llc, an active motor carrier registered with the FMCSA, based in Summerville, SC.
What is the safety rating of Southquest Transportation Llc?
Southquest Transportation Llc has a safety rating of Satisfactory as of November 12, 2025.
How many inspections has Southquest Transportation Llc had?
Southquest Transportation Llc has recorded 25 total inspections with 4 out-of-service orders, representing an OOS rate of 16.00%.
Where is Southquest Transportation Llc located?
Southquest Transportation Llc is headquartered at 258 Deming Way, Summerville, SC 29483.
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 Southquest Transportation Llc?
The MC number for Southquest Transportation Llc is MC# 862182. 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# 2489783 · Last updated: 2026-03-09. View official FMCSA record →