Freight (NCFRP) | Publications

NCFRP Reports, Syntheses of Practice, Research Results Digests, Web-Only Documents, and Legal Research Digests contain the findings of individual research projects managed by TRB's Cooperative Research Programs. At this time, only publications under the Reports and Research Results Digests series have been produced.

	Reports: Reports are the main product of the research project and are often written as guidebooks or manuals. Supplemental project material—such as appendixes, which describe technical details, information-gathering activities, or survey instruments; glossaries; and bibliographies—are disseminated online as web-only documents.
	Research Results Digests (RRDs): RRDs are used to promote early awareness of project results in order to encourage implementation. RRDs also summarize specific findings that emphasize how the research may be used. The contents are organized in terms of the problem and the solution to it, the findings, and the applications. RRDs generally run 4–32 printed pages.
	Web-Only Documents: Web-only documents are fully searchable PDFs of contractor-prepared reports or supporting appendix materials. Web-only documents are linked to other related project products, as well as to the relevant project write-ups.

To date, publications within these series are being produced, but have yet to be released:

	Syntheses of Practice: Syntheses report on the state of the practice based on literature reviews and surveys of recent activities in critical areas. Syntheses inform practitioners about innovations being used by others to solve problems.
	Legal Digests (LRDs): LRDs report on timely legal issues, compile case law, or recommend specific solutions to specific problems. LRDs run 12–48 printed pages.

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