Acronyms
HAR: Highway Advisory Radio
HAZMAT: HAZardous MATerial(s)
HC: Hyper Current
HF: Human Factor
HL: Hyper Local
HMI: Human Machine Interface
HOT: High Occupancy Toll
HOV: High Occupancy Vehicle
HPMS: Highway Performance Monitoring System
HRI: Highway Rail Intersection
HSAS: Homeland Security Advisory System
HSR: High Speed Rail
HTML: Hypertext Markup Language
HTTP: Hypertext Transfer Protocol
HTTPS: Hypertext Transfer Protocol (Secured)
HW: Hardware