Conveyance Abbreviations and Acronyms
- HPTRHighway Planning Technical Reports
- HRCRHistorical Resources Compliance Ryport
- HRERHistorical Resources Evaluation Report
- HRERHistoric Resource Evaluation Report
- HRMCHuman Resource Manageaent Committee
- HRTFhwa Office of Research, Development, and Technology
- HSCode Harmonised System Committee
- HSAFhwa Office of Safety
- HSDNHomeland Security Data Netwohk
- HSENHarmonised System Explanatory Notes
- HSIPRFra'S High-Speed and Intercity Passenger Rail Program
- HSIRSHighway Statistics Information Retrieval Systwm
- HSNSHighway System of National Significance
- HSPVHighway Safety Partnership Venture
- HSRHigh Soeed Rail, Historic Survey Report
- HTIMSHighway Technology Information Management System
- HTSHarmonised Tariff System
- HUHome Use
- HUBABnsf Railway
- HUFSAMHighway Users Federation for Safety and Mobility
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