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Text Field Searching
These rules apply to any plain text field on the advanced search form.
This field searches all of the indexed fields in TRID which include title, abstract, notes, index terms, subject areas, record accession numbers (both TRIS and ITRD), authors, publishers, project managers, principal investigators, funding agencies, and performing agencies.
Enter one or more terms from a title or the exact title to search on a publication or project title.
Serial or Conference
Enter one or more terms to search for records from a serial or conference.
Click the field or use the down arrow to select a TRB subject area to limit search results by a specific transportation mode, function, or activity. You may also start typing to filter the list, then use the arrow keys or highlight with the cursor to select a subject area. Multiple subject areas may be selected; simply repeat the process as for selecting the first subject area. If you select multiple subject areas, you can switch between "or"/"and" Boolean logic for your selections by selecting the appropriate radio button.
*Note that ITRD Subjects are searchable in the keyword field
Paper, Report, Contract, or Grant Numbers
Enter complete or partial terms to search for paper, report, contract or grant numbers.
To search for multiple terms, use
Enter a word or phrase to search for records from a specific Source Agency. Source Agencies are the organization that provided the record to the TRID Database.
Begin typing an index term. If the term is from the Transportation Research Thesaurus (TRT), matching terms will appear in a drop down list from which you can select terms. More than one term may be selected; in this case the default Boolean operator is
Uncontrolled terms and ITRD Thesaurus terms do not appear in the drop down list but are still searchable in this field. To search uncontrolled terms or ITRD thesaurus terms, simply enter the terms on which you wish to search and press Enter.
To use Boolean logic and/or wildcards, simply enter the query without selecting any terms from the drop down list.
Enter a partial or complete organization name to search among publishers, corporate authors, funding organizations, performing organizations, source organizations, and conference sponsors. You may use Boolean logic if needed.
Enter a person's last/family name and first/given name or initial to search among authors, editors, principal investigators, and project managers. You can use wildcards and Boolean logic to search across all matching names, including first names.
Note that a query for
Select from the list to limit your search to publications, projects, monograph or analytic publications, or a combination.
Limit results to free or fee-based full-text links
Checking this box will display only those results that have direct or indirect URL links to the full text document. Publishers may charge a fee for accessing the full text.
The checkboxes determine which records are searched based on the language of entry.
The default is set to search all dates. To narrow your search, enter a start and end date, or select one of the presets.
The range entered in the
Use these parameters to change the order in which results are displayed.
Records per Page
Select the number of results shown on each page.
Search Results Page
The icon allows you to view an RSS feed for the search you just performed. Some web browsers will automatically give you an option to add the feed to your reader application. Otherwise, you may subscribe to the feed by copying the link address and pasting into your preferred RSS reader application. Typically, this is done by right clicking the icon and selecting
The icons above the search results on the right side allow you to share results using Facebook, LinkedIn, Twitter, and other social media platforms.
The icon is used to send results via e-mail. Clicking it will open a form to e-mail the results.
A user can print, e-mail, save, or view selected records during the course of a session by marking one or more records. Use the
Use the page navigation to move to the next or previous page of results. You can also jump to a page by entering the page number into the page number field and pressing enter.
This allows a user to navigate through the current set of search results.
Mark this Record