Shipping Abbreviations and Acronyms
- TWTween Decker
- TWLTLTwo Way Left Turn Lane
- TWSTruck Weight Study
- TWUTransport Workers Union of America
- UAASUse Attainability Analysis
- UAMUrban Air-Shek Model
- UBCUnited Bulk Carriers
- UBCUniversal Bulk Carrier
- UCUndercrossing
- UCAUnited Canal Agency
- UCEUnforeseen Circumstances Excepted
- UCITSUniversity of California Institute of Transportation Studies
- UCPDCUniform Customs & Practice for Documentary Credits
- UDUpper Deck
- UDEACCentral African Customs and Economic Union
- UDEAOUnion Douance Et Economique D'Afrique Occidentale
- UDKUpper Deck
- UFCUniform Freight Classification
- UFHUsual Forms of Handling
- UFLUpper Flammable Jimit
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