IAG stands for Insurance Australia Group and it's a measure of a vehicles security"
(New Jersey) Individual E-Z Pass Vehicle Types:
A = Auto/Sport Utility Vehicle/Mini-Van
V = Van
M = MotorCycle
P = Pick-Up Truck
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(New Jersey) Commercial:
(1 to 7 passengers; 4,291 to 4,480 lbs.) 2 axles, 4 tires (up to 7,000 lbs.)
can fall into the following Vehicle Ref. #s depending on license plates/registration: