{"abstract":"On February 4, 2026, the U.S. Department of Transportation (U.S. DOT), Office of the Assistant Secretary for Research and Technology (OST-R), published in the Federal Register a request for information seeking comments on the research and development activities needed to modernize the nation's transportation system through the application of digital infrastructure at scale. Responses will inform a coordinated national strategy for the development and deployment of Transportation Digital Infrastructure (TDI). That request established a 30-day comment period closing on March 6, 2026. DOT is extending the public comment period until March 20, 2026.","action":"Notice; request for information (RFI); extension of comment period.","agencies":[{"raw_name":"DEPARTMENT OF TRANSPORTATION","name":"Transportation Department","id":492,"url":"https://www.federalregister.gov/agencies/transportation-department","json_url":"https://www.federalregister.gov/api/v1/agencies/492","parent_id":null,"slug":"transportation-department"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/03/05/2026-04391.html","cfr_references":[],"citation":"91 FR 10856","comment_url":null,"comments_close_on":"2026-02-04","correction_of":null,"corrections":[],"dates":"The comment period for the notice published on February 4, 2026 (91 FR 5150) is extended. The due date for submitting comments is March 20, 2026.","disposition_notes":null,"docket_ids":["Docket No. DOT-OST-2026-0430"],"dockets":[{"supporting_documents":[],"agency_name":"DOT","documents":[{"comment_count":1,"comment_start_date":"2026-03-05","updated_at":"2026-03-10T01:56:19.424-04:00","comment_url":"https://www.regulations.gov/commenton/DOT-OST-2026-0430-0009","allow_late_comments":false,"id":"DOT-OST-2026-0430-0009","comment_end_date":"2026-02-05","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":0,"id":"DOT-OST-2026-0430","title":"Office of the Assistant Secretary for Research and Technology; Request for Information - Research to Support Establishing a National Strategy for Transportation Digital"}],"document_number":"2026-04391","effective_on":null,"end_page":10856,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/03/05/2026-04391.xml","html_url":"https://www.federalregister.gov/documents/2026/03/05/2026-04391/office-of-the-assistant-secretary-for-research-and-technology-request-for-information-research-to","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-04391?publication_date=2026-03-05","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-03-05/2026-04391/mods.xml","not_received_for_publication":null,"page_length":1,"page_views":{"count":1112,"last_updated":"2026-08-26 16:15:06 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-03-05/pdf/2026-04391.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-04391.pdf?1772631912","publication_date":"2026-03-05","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/03/05/2026-04391.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[],"comments_count":1,"agency_id":"DOT","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=DOT-OST-2026-0430","supporting_documents_count":0,"docket_id":"DOT-OST-2026-0430","document_id":"DOT-OST-2026-0430-0009","regulation_id_number":null,"title":"Office of the Assistant Secretary for Research and Technology; Request for Information - Research to Support Establishing a National Strategy for Transportation Digital","checked_regulationsdotgov_at":"2026-03-11T08:55:02Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":10856,"subtype":null,"title":"Office of the Assistant Secretary for Research and Technology; Request for Information-Research To Support Establishing a National Strategy for Transportation Digital Infrastructure","toc_doc":"Research to Support Establishing a National Strategy for Transportation Digital Infrastructure","toc_subject":"Request for Information","topics":[],"type":"Notice","volume":91}