The National Academies Press and the Transportation Research Board have partnered with Copyright Clearance Center to offer a variety of options for reusing our content. You may request permission to:
- Republish or display in another publication, presentation, or other media
- Use in print or electronic course materials and dissertations
- Share electronically via secure intranet or extranet
- And more
For most Academic and Educational uses no royalties will be charged although you are required to obtain a license and comply with the license terms and conditions.
Translation and Other Rights
For information on how to request permission to translate our work and for any other rights related query please click here.
Copyright.com Customer Service
For questions about using the Copyright.com service, please contact:
Copyright Clearance Center Marketplace SupportInternational +1.978.646.2600
US Toll Free +1.855.239.3415
All NAP books (electronic and printed versions) on this website are copyrighted by the National Academy of Sciences with all rights reserved. You may not distribute, post, or copy our work without written permission from the National Academies Press. Posting or distributing our PDFs not only violates our copyright, but it also could proliferate the sharing of non-authoritative versions of our reports.
For examples of how best to share our PDFs, see the About PDFs page.
If you would still like to request permission to distribute a PDF, please contact our Customer Service Department at 800-624-6242 for pricing.