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Freight Carrier/broker · San Antonio, TX

SMT LINES

4600 GOLDFIELD · San Antonio, TX 78218

AUTHORIZED FOR:
(210) 661-6791 Tap to call
  • MC #80252
  • USDOT #136555 USDOT Active
  • 277
    Power Units
  • 252
    Drivers
  • Carrier/broker
    Entity Type

About this carrier

SMT LINES is a San Antonio, TX freight carrier/broker that is authorized for: in the state of Texas. This company has 277 truck(s) in their fleet and 252 truck drivers. Their motor carrier number is MC-80252 and their USDOT number is 136555.

Sourced from FMCSA SAFER · last filed 10/15/2026 · last updated Oct 18, 2026.

Carrier Details

  • Legal Name SOUTHWESTERN MOTOR TRANSPORT INC
  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 10/15/2026
  • MCS-150 Mileage 14,460,000 (2025)

Authority & Operations

Operation Classification
  • Authorized for Hire
Carrier Operation
  • Interstate

Cargo Authorized

  • General Freight
  • Oilfield Equipment
  • Beverages
  • Paper Products
  • Construction

Operating Territory

Map of states where this carrier has roadside inspections Texas — 120 inspections (past 24 months) Texas — 120 inspections (past 24 months) Arkansas — 8 inspections (past 24 months) Indiana — 6 inspections (past 24 months) Illinois — 5 inspections (past 24 months) Oklahoma — 5 inspections (past 24 months) Tennessee — 2 inspections (past 24 months) Missouri — 2 inspections (past 24 months) Ohio — 1 inspection (past 24 months) Mississippi — 1 inspection (past 24 months) Alabama — 1 inspection (past 24 months)

Inspection activity   Inspected in 10 states over the past 24 months: TX (120), AR (8), IN (6), IL (5), OK (5), TN (2), MO (2), OH (1), MS (1), AL (1). Home base: San Antonio, Texas.

Safety Record

SATISFACTORY 11 Severe Violations Updated 3 days ago

Out of Service Rates (24 mo)

TypeThis carrierNational avg Vehicle 11.3% 23.4% Driver 0.6% 6.7% Hazmat 9.1% 4.4%

Crashes (24 mo)

  • 0
    Fatal
  • 4
    Injury
  • 6
    Tow
  • 10
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.17 5 Crash Indicator Not Public — Hours of Service 0.03 3 Vehicle Maintenance 2.85 49 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.15 2

Inspection Summary

  • 151
    Total
  • 97
    Clean
  • 54
    With violations

24-month window ending Sep 25, 2026

Violations Cited 60 unique codes

Critical 14

  • 392.2-SLLS4State/Local Laws - Speeding 15 or more miles per hour over the speed limit1× SW 10
  • 393.75(a)(3)Tire-flat and/or audible air leak3× OOS×3 SW 8
  • 393.75(c)Tire-other tread depth less than 2/32 of inch measured in a major tread groove2× OOS×1 SW 8
  • 393.75A3-TAOLTISTires - All others, leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS1× OOS×1 SW 8
  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS1× OOS×1 SW 8
  • 383.23(a)(2)Operating a CMV without a CDL1× OOS×1 SW 8
  • 392.2-LCDLRRestriction - (CDL) - Operate a CMV in violation of a restriction.1× OOS×1 SW 8
  • 172.502(a)(1)Prohibited placarding1× OOS×1 SW 5
  • 393.45Brake tubing and hose adequacy1× OOS×1 SW 4
  • 396.3A1BLBrake system pressure loss1× OOS×1 SW 4
  • 393.51No or defective brake warning device or pressure gauge1× OOS×1 SW 4
  • 396.3A1-DLDSUJBCBDriveline/Driveshaft - Any missing, broken or loose universal joint bearing cap bolt, bearing strap or retainer bolt1× OOS×1 SW 3
  • 396.5B-HWSLOWHubs - Wheel seal leaking - outer wheel1× OOS×1 SW 2
  • 392.9A2-CCargo - Vehicle components or dunnage not secured3× OOS×3 SW 1

Unsafe Driving 3

  • 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit1× SW 7
  • 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit2× SW 4
  • 392.2-SLLLRState/Local Laws - Lane restriction violation1× SW 3

Vehicle Maintenance 33

  • 393.9HInoperable head lamps4× SW 6
  • 393.9TSInoperative turn signal2× SW 6
  • 393.24(a)Non-compliance with headlamp requirements1× SW 6
  • 393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam1× SW 6
  • 393.9A-LHLILighting - Headlamp(s) - Any inoperative1× SW 6
  • 393.9TInoperable tail lamp1× SW 6
  • 393.19Inoperative/Defective Hazard Warning Lamp1× SW 6
  • 393.11A1-LPLLighting - Parking lamp(s) missing1× SW 6
  • 393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit5× SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear5× SW 4
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt5× SW 4
  • 393.45B2UVBrake Hose or Tubing Chafing and/or Kinking Under Vehicle3× SW 4
  • 393.45DLPCBrake Connections with Leaks - Connection to Power Unit2× SW 4
  • 396.3A1BBrakes (general) Explain:2× SW 4
  • 393.48(a)Inoperative/defective brakes1× SW 4
  • 393.55(e)No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/19981× SW 4
  • 393.45D-BAir Brake - Audible air leak at a proper connection1× SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection1× SW 4
  • 396.17(c)Operating a CMV without proof of a periodic inspection1× SW 4
  • 393.11No or defective lighting devices or reflective material as required1× SW 3
  • 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 19971× SW 3
  • 393.9Inoperable Required Lamp10× SW 2
  • 393.95(b)Emergency Equipment - A power unit requiring fuses - missing a spare fuse for a required part or accessory (e.g., lamps required by 393.11, ABS lights or low air warning light).3× SW 2
  • 393.95(a)No/discharged/unsecured fire extinguisher2× SW 2
  • 396.5B-HWSLIWHubs - Wheel seal leaking - inner wheel2× SW 2
  • 393.95A4-EENAEmergency Equipment - Fire Extinguishers - not readily accessible or filled1× SW 2
  • 393.11A1-LILLighting - Identification lamp(s) missing1× SW 2
  • 396.5B-HLOWHubs - oil and/or Grease Leaking from hub - outer wheel1× SW 2
  • 393.78Wipers - Inoperative / missing / damaged wipers2× SW 1
  • 393.100(a)No or improper load securement1× SW 1
  • 393.60(c)Windshield - Damaged or Discolored1× SW 1
  • 393.60(d)Windshield / Windows - Tinting permits less than 70% of light transmittance1× SW 1
  • 393.83(g)Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment1× SW 1

Hazardous Materials 4

  • 172.402(a)No label for subsidiary hazard1× SW 5
  • 172.301(a)No ID number on side/ends of non-bulk package - large quantity of single HM1× SW 5
  • 172.202(a)(2)No or improper Shipping Name1× SW 3
  • 172.602(b)Form and manner of Emergency Response information1× SW 3

Hours of Service 6

  • 395.22H1Driver failing to maintain ELD user's manual1× SW 1
  • 395.22H1-ELDNUMHOS (ELD) - In-Vehicle Information - No user's manual for the driver describing how to operate the ELD. (May be electronic)1× SW 1
  • 395.22H3Driver failed to maintain instruction sheet for ELD malfunction reporting requirements1× SW 1
  • 395.22H4Driver failed to maintain supply of blank drivers records of duty status graph-grids1× SW 1
  • 395.22G-ELDMFVHOS (ELD) - A portable ELD is not mounted in a fixed position and visible to the driver when seated in the normal driving position.1× SW 1
  • 395.22H4-ELDBRODSHOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status and other related information for a minimum of 8 days.1× SW 1

Locations

Physical Address
SMT LINES
4600 GOLDFIELD
SAN ANTONIO, TX 78218
Mailing Address
SOUTHWESTERN MOTOR TRANSPORT INC
4600 GOLDFIELD
SAN ANTONIO, TX 78218-4601

Location on Map

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Related Companies

Other entries in the FMCSA database that share data with this carrier — name, phone, or address overlap. Worth a closer look during vetting.

Same physical address 1

These carriers are registered at the same street + ZIP.

CompanyStatusPower UnitsDriversMC#USDOT#
SMT LINES
Legally SOUTHWESTERN MOTOR TRANSPORT INC
San Antonio, TX
USDOT Active AUTHORIZED FOR:277252825355136555

Same phone number 1

These carriers list the same contact phone number.

CompanyStatusPower UnitsDriversMC#USDOT#
SMT LINES
Legally SOUTHWESTERN MOTOR TRANSPORT INC
San Antonio, TX
USDOT Active AUTHORIZED FOR:277252825355136555

Same legal or DBA name 1

These carriers use the same company name (legal or DBA).

CompanyStatusPower UnitsDriversMC#USDOT#
SMT LINES
Legally SOUTHWESTERN MOTOR TRANSPORT INC
San Antonio, TX
USDOT Active AUTHORIZED FOR:277252825355136555

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