How to Use This Guide

Find general transportation policy resources on this page. Find resources on specific topics in the left-hand sidebar. You can also use the resources on this page to search for specific topics - e.g., search "pedestrian safety" in the TRID database and Transportation Policy journal.

Google Custom Search for Transportation Policy Research

Search all the websites in this research guide at once! Excludes books and content with a Harvard Login.

Find Books

For books, search for full titles or keywords in HOLLIS, Harvard's library catalog.

When you've found a book, click on the linked subject terms in the HOLLIS record or explore the Shelf View (bottom of the page) for related books.

For help with HOLLIS, see the HOLLIS User Guide.

Find Courses

Find Journal Articles & Reports

Cover of Literature Searches and Literature Reviews for Transportation Research Projects Key Resource: Literature Searches and Literature Reviews for Transportation Research Projects

March 2015. Transportation Research Board.

"This circular presents the necessary steps for producing a high-quality literature review for a transportation research project. The circular explores how to conduct literature searches; where to search for transportation information; how to put it all together as a quality literature review; and what the definitions are for related terms. The publication is aimed at all transportation researchers, including university investigators, graduate students, consultants, and practitioners at state and federal transportation agencies."

The Northwestern Transportation Library has created a practical research guide based on this circular, with step-by-step instructions and examples of effective transportation literature reviews.

Top Resources


Recommended Journals

Research & Practitioner Groups

For policy papers and other gray literature, try our HKS Think Tank Search, a custom Google search across the websites of 1,200+ U.S. and international think tanks. Simply search using standard Google conventions (i.e. putting quotation marks around phrases). 


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Find Data

Find even more data & support resources in our
Data Resources for HKS Affiliates Research Guide

Find News

Find Podcasts

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