What to send

• Digital objects provided by the content creators or owners in one of the following file formats (preferably one in bold)

• For items submitted in compliance with the USDOT Public Access Plan, please see the instructions here
• Files must contain no measures (such as digital rights management or encryption) that control access to or prevent use of the deposited items

How to send

Reports and textual materials

• Emails sent to NTLDigitalSubmissions@dot.gov
• FTP, SFTP, or file transfer methods (to set up transfer, e-mail NTLDigitalSubmissions@dot.gov)

Datasets

• Please send an email query to NTLDataCurator@dot.gov
• For detailed guidance, please see Submitting Datasets https://transportation.libguides.com/ROSA_P/submitting_data

What happens next

• All deposited items are assessed for inclusion in the NTL repository consistent with the NTL Digital Curation and NTL Collection Development and Maintenance Policies
• Items added to the collection will be cataloged, then made publicly available unless subject to the Public Access embargo; if you have concerns about this, please contact us
• Depositors may request a monthly updated list of permanent links to items in the repository

Status of content in the repository

• All items are held permanently by NTL
• Public access to an item may be interdicted under circumstances specified in section 6 of the Collection Development and Maintenance Policy
• In the case of the creation of a new or updated version of an item, please contact NTLDigitalSubmissions@dot.gov