Whitney Transport of South Carolina Llc (DOT# 3493964) – FMCSA Carrier Profile

doing business as WELBORN TRUCKING
DOT# 3493964● Active
Updated monthly · 2026-03-09

This carrier is active. Review the inspection and crash data below.

Whitney Transport of South Carolina Llc is a registered motor carrier with the FMCSA under USDOT number 3493964. The company operates from Summerville, SC and maintains an active operating status with 34 power units and 35 drivers on record.

Safety Rating

FMCSA Safety Rating
Not Rated

No formal safety rating has been assigned to Whitney Transport of South Carolina Llc by the FMCSA. View official FMCSA record →

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Company Information

Address700 Greyback Rd, Summerville, SC, 29483
Phone(888) 717-4271
Entity TypeAuthorized For Hire
OperationIntrastate (Non-Hazmat)
Power Units34(Medium carrier)
Drivers35
MCS-150 FiledFebruary 12, 2026
Annual Mileage1,823,739 mi (2025)
All carriers in South CarolinaCarriers in Summerville, SC

Inspection Summary

All-time Inspections
All-time
41
Total
11
OOS
3
Driver OOS
8
Vehicle OOS
41 inspections reflects moderate road activity.
OOS Rate26.83%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 26.8% — above the national vehicle OOS average of ~21%. Review BASICS scores below.

Crash History

Crash Records
All-time
2
Total
0
Fatal
1
Injuries
0
Tow-Away
2 crashes recorded. Low count, but crash data should always be reviewed alongside inspection history.
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Carrier Insight

Whitney Transport of South Carolina Llc is a medium-sized motor carrier operating in South Carolina. With 41 total inspections on record, the carrier has an out-of-service rate of 26.8%, which exceeds the national average of approximately 21%. 2 crashes have been reported. Review crash details alongside fleet size and inspection history before making hiring decisions.

Whitney Transport of South Carolina Llc 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 34 power units and employs 35 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 3493964?
USDOT number 3493964 is assigned to Whitney Transport of South Carolina Llc, an active motor carrier registered with the FMCSA, based in Summerville, SC.
How many inspections has Whitney Transport of South Carolina Llc had?
Whitney Transport of South Carolina Llc has recorded 41 total inspections with 11 out-of-service orders, representing an OOS rate of 26.83%.
Where is Whitney Transport of South Carolina Llc located?
Whitney Transport of South Carolina Llc is headquartered at 700 Greyback Rd, 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.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 3493964 · Last updated: 2026-03-09. View official FMCSA record →