Licensed providers for professional drivers and small fleets, from official registersSources: 110 official government lists

DriverComplydirectory

CountryUnited States

HazMat Training1,629 Vehicle Inspection67,637 CDL & ELDT Training4,122 CDL Testing & DMV3,997 TSA HazMat & TWIC Enrollment619 BOC-3 Process Agents3,738Truck Parking1,915Truck Stops2,835 ELD Devices DOT Physicalssoon

Truck parking on I-81

3 sites60 truck spaces2 statesfrom the BTS federal inventoryUpdated September 2026

I-81 in Pennsylvania 1 sites

NHS PSP Weight Enforcement Station S26I-81 S, mile NA 6 spaces
Directions

All truck parking in Pennsylvania →

I-81 in Tennessee 2 sites

Weigh Scale Complex, No FacilitiesI81 SB, mile 21 32 spaces
Directions
NHS Welcome Center, I-81I-81, mile 75 22 spaces
Directions

All truck parking in Tennessee →