Carrier profile · USDOT 2562949 · MC-894524 · Updated Jun 13, 2026
John D Barr
DBA J & B TRANSPORT OF SOUTH CAROLINA LLC
2 power unitsCHARLESTON, SC50/100
CARRIER INACTIVEMC-894524 INACTIVEHAZMAT
Operations & Lanes
Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
CHARLESTON, SC
Density
fewermore