Carrier profile · USDOT 951389 · MC-521677 · Updated Jun 13, 2026

JACK B SHANNON SR

DBA J-4 TRUCKING

4 power unitsavg 17.7 yrRegional · 4 statesMAYSLICK, KY93/100
CARRIER ACTIVEMC-521677 ACTIVE
Verified linksFMCSA SAFER

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.

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional
revealed
States observed4
US states
Inspections · 24 mo5
MD busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
MAYSLICK, KY
4111 KY 596
Top corridor
MD ⇄ KY
MD 2 · PA 1 · TN 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 4 states · trailing 24 mo

Roadside inspections by state · JACK B SHANNON SR · trailing 24 months
StateCoverageInspections
MDMaryland2
PAPennsylvania1
TNTennessee1
ALAlabama1