SPECIALIZED TRANSPORTATION SERVICES INC
AUTHORIZEDUSDOT
589549
MC Number
284715
Fleet Size
55
Total Drivers
69
Last updated: March 16, 2026
Safety overview
SPECIALIZED TRANSPORTATION SERVICES INC is a mid-size interstate motor carrier based in SMYRNA, Tennessee, operating 55 power units with 69 drivers. Their safety profile raises flags: 4 of 5 BASIC categories exceed the 75th percentile, which is where FMCSA considers stepping in. Their driver out-of-service rate of 3.1% comes in under the 5.51% national average. They have 1 crash on file. FMCSA records show 98 inspections for this carrier.
BASIC scores
SMS PercentilesHigher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Tennessee is 11.5% and the average vehicle OOS rate is 30.3% across 23,188 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
What are BASIC scores?
FMCSA tracks carrier performance through its Safety Measurement System (SMS), which scores carriers across six categories called BASICs. Each score is a percentile from 0 to 100, based on inspection and crash data from the past 24 months.
A score of 65 means the carrier performed worse than 65% of its peers. Anything above 75% can trigger FMCSA alerts or investigations. Brokers vetting new carriers should pay attention to scores above 50%.
- Unsafe driving
- Speeding, reckless driving, improper lane changes, seatbelt violations. All based on what officers find during roadside inspections.
- HOS / Fatigue
- Hours-of-service violations, logbook problems, driving past the allowed limits. Fatigued driving is one of the top causes of truck crashes in the US.
- Driver fitness
- Licensing problems, expired medical certificates, and other driver qualification issues.
- Controlled substances
- Drug and alcohol testing violations, possession, or impairment.
- Vehicle maintenance
- Brake problems, tire issues, lighting defects, load securement failures. Caught during the vehicle portion of roadside inspections.
- Crash indicator
- Based on crash history from state-reported data. Higher percentile means more crashes relative to the carrier's size and mileage.
Inspections
98
Total
72%
Driver %
Crash history
1
Total Crashes
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Frequently asked questions
Is SPECIALIZED TRANSPORTATION SERVICES INC authorized to operate?
Yes. SPECIALIZED TRANSPORTATION SERVICES INC (USDOT #589549) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is SPECIALIZED TRANSPORTATION SERVICES INC's safety record?
SPECIALIZED TRANSPORTATION SERVICES INC has 4 BASIC scores above the 75th percentile, which is where FMCSA may look into a carrier. Brokers should weigh these scores alongside the inspection history and crash data before making a decision.
How many trucks does SPECIALIZED TRANSPORTATION SERVICES INC operate?
SPECIALIZED TRANSPORTATION SERVICES INC operates 55 power units with 69 drivers on file. That puts them in the mid-size range.
Does SPECIALIZED TRANSPORTATION SERVICES INC transport hazardous materials?
No. SPECIALIZED TRANSPORTATION SERVICES INC does not have a hazardous materials flag in the FMCSA database.
Where is SPECIALIZED TRANSPORTATION SERVICES INC located?
SPECIALIZED TRANSPORTATION SERVICES INC is based in SMYRNA, Tennessee at 225 SAM GRIFFIN ROAD, 37167. Phone: (615) 622-0922.
What are SPECIALIZED TRANSPORTATION SERVICES INC's out-of-service rates?
SPECIALIZED TRANSPORTATION SERVICES INC's driver out-of-service rate is 3.1%, compared to the national average of 5.51%. Below average, which is a good sign. Their vehicle out-of-service rate is 15.4% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.