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Limits

Limit Name	Descritpion	Examples
Resource Type (N)	drop down list that describes the type of item	Research Paper
Year	publication year (format: YYYY, YYYY-YYYY, -YYYY, YYYY-)	After 1995: 1995- Between 2000 and 2006: 2000-2006
Format (N)	drop down list that specifies format of full text	HTML or PDF
Language (N)	drop down list of available languages	English
Geographical Coverage (N)	Lookup option of geographic locations	New York
Full Text Links (T)	Record only with full text links available

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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.