IANA

Jan 25, 2017

Intermodal Association of North America

HS

Jan 25, 2017

Harmonized Series

HPMS

Jan 25, 2017

Highway Performance Monitoring System

HERS

Jan 25, 2017

Highway Economic Requirements Systems

Hub

Jan 25, 2017

A common connection point for devices in a network. Referenced for a transportation network as in “hub and spoke” which is common in the airline and trucking industry.