Search Help


Searches are NOT case sensitive. All letters, regardless of how you type them, will be understood as lower case. For example, searches for "george washington", "George Washington", and "gEoRgE wAsHiNgToN" will all return the same results.

Automatic "and" Queries

By default, searches only return pages that include all of your search terms. There is no need to include "and" between terms though doing so will not harm your search. Keep in mind that the order in which the terms are typed will affect the search results. To restrict a search further, just include more terms. For example, to find NEPA in the Corridor Planning page, simply type:

NEPA corridor

This is equivalent to :

NEPA AND corridor

Phrase Searches

Search for complete phrases by enclosing them in quotation marks. Words enclosed in double quotes ("like this") will appear together in all results exactly as you have entered them. Phrase searches are especially useful when searching for a direct quote or proper names.


Use parentheses to clarify the search. Terms enclosed in parentheses are evaluated first; innermost parentheses are evaluated first when there are nested parentheses. Parentheses are particularly useful when used in combination with "AND" and "OR" logical operators. For example, find all references to bicycles in documennts also containing either the words train or freeway.

bicycle AND (train OR freeway)

"OR" Searches

In addition to "and", the logical "OR" operator may be used in searches. To retrieve pages that include either word A or word B, use an uppercase OR between terms.

For example, to search for a vacation in either London or Paris, just type:

vacation AND (london OR paris)