Carrier profile · USDOT 1415261 · MC-620826 · Updated Jun 13, 2026
Joseph Matthew Williams Iii
DBA SUPERIOR TRANSPORT
1 power unitCLINTON, MD50/100
CARRIER INACTIVEMC-620826 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
CLINTON, MD
Density
fewermore