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Transportation Research Thesaurus

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Each term in the TRT is assigned a unique notational code that conveys its location within the hierarchy. The first letter of the notation represents the facet or top term. Using the notational code it is easy to determine the terms relation in the hierarchy. The term's parent (Ae) will have one less letter (from the right end) as the term (Aea). Siblings (Aeg, Aes) will have the same notational code as the term except the last letter will be different. Children (Aeac, Aeah) will have one letter appended to the end of the notational code of the term.

Hierarchical Display

Top Terms> Vehicles and equipment > Vehicles > Ground vehicles > Motor vehicles > Special purpose vehicles > Dual mode vehicles

Qbddk: Special purpose vehicles
Qbddkd: Dual mode vehicles

Find documents having Dual mode vehicles

Broader Term:
Qbddk: Special purpose vehicles
 
Related Terms:
Qbddkb: All terrain vehicles
Qbddkc: Commercial vehicles
Qbddke: Emergency vehicles
Qbddkh: Farm vehicles
Qbddkj: Intelligent vehicles
Qbddkl: Low floor vehicles
Qbddkm: Military vehicles
Qbddkn: Armored vehicles
Qbddkp: Police vehicles
Qbddkq: Recreational vehicles
Qbddkr: Tracked vehicles
Qbddkt: Towing vehicles
Qbddku: Towed vehicles
Qbddkw: Snowmobiles
Qbddkx: Test vehicles
Qbddky: Zero emission vehicles
TRIS is a bibliographic database funded by sponsors of the Transportation Research Board (TRB), primarily the state departments of transportation and selected federal transportation agencies. TRIS Online is hosted by the National Transportation Library under a cooperative agreement between the Bureau of Transportation Statistics and TRB.
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